| نام ایرلاین | کد یاتا (IATA) | کد ایکائو (ICAO) | علامت | کشور |
|---|---|---|---|---|
| 34 Squadron, Royal Australian Air Force | EVY | Australia | ||
| 135 Airways | GNL | GENERAL | United States | |
| Hitit Computer Services | 1T | Turkey | ||
| 2 Sqn No 1 Elementary Flying Training School | WYT | WYTON | United Kingdom | |
| 213th Flight Unit | TFU | THJY | Russia | |
| 223rd Flight Unit | CHD | CHKALOVSK-AVIA | Russia | |
| 224th Flight Unit | TTF | CARGO UNIT | Russia | |
| 247 Jet Ltd | TWF | CLOUD RUNNER | United Kingdom | |
| 3D Aviation | SEC | SECUREX | United States | |
| Jubba Airways | 3J | JUB | Kenya | |
| 40-Mile Air | Q5 | MLA | MILE-AIR | United States |
| 4D Air | QRT | QUARTET | Thailand | |
| 43 Air School | PIU | PRIMA | South Africa | |
| Star East Airline | 4R | SEK | Romania | |
| Interjet | 4O | AIJ | ABC Aerolineas | Mexico |
| Express Air Cargo | 7A | XRC | Tunisia | |
| 2Excel Aviation | BRO | BROADSWORD | United Kingdom | |
| Pascan Aviation | P6 | PSC | PASCAN | Canada |
| Advanced Air | WSN | WINGSPAN | United States | |
| A-Jet Aviation Aircraft Management | GBT | GLOBETROTTER | Austria | |
| A-Jet Aviation Company | AJR | JET MONGOLIA | Mongolia | |
| A-Safar Air Services | SFM | AIR SAFAR | Nigeria | |
| A2 Jet Leasing | AJJ | ATLANTIC JET | United States | |
| AASANA | XXV | Bolivia | ||
| Air Costa | LEP | LECOSTA | India | |
| Abakan Air | NKP | ABAKAN AIR | Russian Federation | |
| Advanced Air | ADD | Japan | ||
| Aero Owen | OWN | AERO OWEN | Mexico | |
| Aero Sotravia | ASR | SOTRAVIA | France | |
| Aerohelicopteros | ARH | AEROHELCA | Venezuela | |
| Aeroventas de Mexico | VMX | VENTA | Mexico | |
| Air Antwerp | WP | ATW | DEVIL | Belgium |
| Airspeed Charter | ACC | Jamaica | ||
| Algonquin Airlink | FSY | FROSTY | Canada | |
| Alliance Air Charters | TTX | TWISTER | United States | |
| Alpha Jet | ALN | TOLEMAC | Slovakia | |
| Atlas Ukraine Airlines | UJX | ATLAS UKRAINE | Ukraine | |
| Avior Regional | RGR | AVIOR REGIONAL | Venezuela | |
| Air Charity Network | NGF | ANGEL FLIGHT | United States | |
| Aircharters Worldwide | WFT | WORLD FLIGHT | United States | |
| Attawasol Airlines | ATT | ATTAWASOL AIR | Libya | |
| Apollo Air Service | EDY | STOBART | United Kingdom | |
| InterCaribbean Airways | JY | IWY | ISLANDWAYS | Turks and Caicos Islands |
| Air Serbia | JU | ASL | AIR SERBIA | Serbia |
| Air Kyrgyzstan | QH | LYN | ALTYN AVIA | Kyrgyzstan |
| Air Corsica |
XK |
CCM | CORSICA | France |
| AHS Air International | AHS | HIGH SKY | Pakistan | |
| Aberdair Aviation Ghana | ROH | Ghana | ||
| Aero Roa | ROO | AERO ROA | Mexico | |
| Aeroforward | AWF | United States | ||
| Aeronautical Charters | SUP | SUN SPEED | United States | |
| Aerotaxis Pegaso | PSO | AEROPEGASO | Mexico | |
| Aer Lingus | EI | EIN | SHAMROCK | Ireland |
| Air Volta | VLB | VOLTA | Bulgaria | |
| Air-Watania | WAS | Iraq | ||
| AirSprint US | FCJ | FRACJET | United States | |
| Airteam Charter | TEW | TEAMWORK | South Africa | |
| Alpha Star Charter | STT | STAR CHARTER | Saudi Arabia | |
| Angkasa Super Service | LBZ | Indonesia | ||
| Arrow Aviation | HEZ | ARROW | Israel | |
| Air Experience Flight | UAH | United Kingdom | ||
| Adro Servicios Aereos | DRO | ADRO SERVICIOS | Mexico | |
| Aero Jet International | RVQ | REVA AIR | United States | |
| Aerosky | ASK | MULTISKY | Spain | |
| Aero4m | AEH | AEROCUTTER | Slovenia | |
| Aeroecom | ERO | AEROECOM | Venezuela | |
| Aerolink Uganda | A8 | XAU | PEARL | Uganda |
| Aeromonkey | NKY | AEROMON | Mexico | |
| Aeroworld Pakistan | AWP | Pakistan | ||
| AG Air | AGA | GEOLINE | Georgia | |
| Air Ambulance Services | ABZ | ISLAND LIFEFLIGHT | Bahamas | |
| Air Canada Rouge | RV | ROU | ROUGE | Canada |
| Air China Inner Mongolia | CNM | MENGYUAN | China | |
| Air Côte d/Ivoire | VRE | COTE DIVORIE | Ivory Coast | |
| Air Walser | AWL | Malta | ||
| Air X Charter | AXY | LEGEND | Malta | |
| ART Aviation | OES | ART AUSTRIA | Austria | |
| Austrian Air Force | ASF | AUSTRIAN AIRFORCE | Austria | |
| Aviation Legacy | AVG | AVILEF | Gambia | |
| Aztec Worldwide Airlines | 7A | AZY | AZTEC WORLD | United States |
| Abacus International | 1B | Singapore | ||
| Abelag Aviation | W9 | AAB | ABG | Belgium |
| Air Cargo Germany | 6U | ACX | LOADMASTER | Germany |
| Aero Aviation Centre Ltd. | AAD | SUNRISE | Canada | |
| Aero Servicios Ejecutivos Internacionales | SII | ASEISA | Mexico | |
| Aero Biniza | BZS | BINIZA | Mexico | |
| Aero Comondu | ACO | AERO COMONDU | Mexico | |
| Aero-Palma | AET | AERO PALMA | Spain | |
| Aero Albatros | ABM | ALBATROS ESPANA | Spain | |
| Aero Asia International | E4 | RSO | AERO ASIA | Pakistan |
| Aigle Azur | ZI | AAF | AIGLE AZUR | France |
| Aim Air | AAM | Moldova | ||
| Atlantis Airlines (USA) | AAO | ATLANTIS AIR | United States | |
| Aerovista Airlines | AAP | AEROVISTA GROUP | Kyrgyzstan | |
| Air Ceylon | AE | AE | Sri Lanka | |
| Asiana Airlines | OZ | AAR | ASIANA | Republic of Korea |
| Askari Aviation | 4K* | AAS | AL-ASS | Pakistan |
| Australia Asia Airlines | AAU | AUSTASIA | Australia | |
| Astro Air International | AAV | ASTRO-PHIL | United States | |
| Afriqiyah Airways | 8U | AAW | AFRIQIYAH | Libya |
| Afrinat International Airlines | Q9 | AFU | AFRINAT | Gambia |
| Afric air Express | AAX | AFREX | Côte d Ivoire | |
| Air Brasd or | BRL | BRASD OR | Canada | |
| Air Fecteau | AFH | FECTO | Canada | |
| Air 500 | BRM | BOOMERANG | Canada | |
| Atlantic Flight Training | AAG | ATLANTIC | United Kingdom | |
| Air Atlantique | KI | AAG | ATLANTIC | United Kingdom |
| Air Alma | QB | AAJ | AIR ALMA | Canada |
| Air Cess | ACS | Liberia | ||
| Air Dorval | ADT | AIR DORVAL | Canada | |
| Air Hungaria | AHN | AIR HUNGARIA | Hungary | |
| Air Adriatic | AHR | ADRIATIC | Croatia | |
| Air Hong Kong | LD | AHK | AIR HONG KONG | Hong Kong |
| Air Viggi San Raffaele | AHS | AIRSAR | Italy | |
| Air Express | AEQ | LUNA | Sweden | |
| Air Aurora | AAI | BOREALIS | United States | |
| Air Cargo Transportation System | ACU | AFRISPIRIT | Kenya | |
| Air Charter Service | ACV | United Kingdom | ||
| Air Atlantic Dominicana | ADC | ATLAN-DOMINICAN | Dominican Republic | |
| Air Andaman | ADW | AIR ANDAMAN | Thailand | |
| Air Europa | UX | AEA | EUROPA | Spain |
| Air Italy | IG | AEY | AIR ITALY | Italy |
| Air Southwest Ltd. | ASW | AIRSOUTHWEST | Canada | |
| Air Special | ASX | AIRSPEC | Czech Republic | |
| Air Macau | NX | AMU | AIR MACAO | Macao |
| Air Midwest | ZV | AMW | AIR MIDWEST | United States |
| Air Seychelles | HM | SEY | SEYCHELLES | Seychelles |
| Air Sofia | SFB | AIR SOFIA | Bulgaria | |
| Air Bravo | BRF | AIR BRAVO | Uganda | |
| Air France | AF | AFR | AIRFRANS | France |
| Air Partner | ACG | AIR PARTNER | United Kingdom | |
| Air Caledonie International | SB | ACI | AIRCALIN | France |
| AirClass Airways | VSG | VISIG | Spain | |
| Air Nippon Network Co. Ltd. | EH | AKX | ALFA WING | Japan |
| Air ALM | ALM | ANTILLEAN | Netherlands Antilles | |
| Air Lincoln | ALN | CHICAGO LINCOLN | United States | |
| Air Caledonia | ACM | WEST CAL | Canada | |
| Air Guam | AGM | AIR GUAM | United States | |
| Air Wisconsin | ZW | AWI | WISCONSIN | United States |
| Air Luxor STP | ALU | LUXORJET | São Tomé and Príncipe | |
| Air Sunshine | RSI | AIR SUNSHINE | United States | |
| Air Gabon | GN | AGN | GOLF NOVEMBER | Gabon |
| Air Data | AFS | United Kingdom | ||
| Air Afrique Vacancies | AFV | AFRIQUE VACANCE | Côte d Ivoire | |
| Air Japan | NQ | AJX | AIR JAPAN | Japan |
| Air Liberté | VD | LIB | AIR LIBERTE | France |
| Air Lithuania | TT | KLA | KAUNAS | Lithuania |
| Air Minas Linhas Aéreas | AMG | AIR MINAS | Brazil | |
| Air North Charter | 4N | ANT | AIR NORTH | Canada |
| Air Nevada | ANV | AIR NEVADA | United States | |
| Air New Zealand | NZ
TE |
ANZ | NEW ZEALAND | New Zealand |
| Air One Executive | AOE | Italy | ||
| Air Maldives | AMI | AIR MALDIVES | Maldives | |
| Air Malawi | QM | AML | MALAWI | Malawi |
| Air Montenegro | AMN | MONTENEGRO | Montenegro | |
| Air Mediterranee | ML | BIE | MEDITERRANEE | France |
| Air Mekong | P8 | MKG | MEKONG | Vietnam |
| Air Moorea | TAH | AIR MOOREA | France | |
| Air Valencia | AVZ | AIR VALENCIA | Spain | |
| Air Montreal (Air Holdings Inc.) | AMO | AIR MONTREAL | Canada | |
| Air Sicilia | BM | Italy | ||
| Air Specialties Corporation | AMR | AIR AM | United States | |
| Air Muskoka | AMS | AIR MUSKOKA | Canada | |
| Avcon Jet | AOJ | ASTERIX | Austria | |
| Air Jetsul | AJU | AIRJETSUL | Portugal | |
| Air Korea Co. Ltd. | AKA | Republic of Korea | ||
| Air Livonia | LIV | LIVONIA | Estonia | |
| Air BC | ZX | ABL | AIRCOACH | Canada |
| Air Fret Senegal | ABN | Senegal | ||
| Air Jamahiriya Company | LJA | AIR JAMAHIRIYA | Libya | |
| Air Service Gabon | G8 | AGB | Gabon | |
| Air Glaciers | 7T | AGV | AIR GLACIERS | Switzerland |
| Air Cargo America | MVM | PEGASUS | United States | |
| Air Ambar | AMY | AIR AMBAR | Dominican Republic | |
| Air Vegas | 6V | VGA | AIR VEGAS | United States |
| Air Tractor | AOU | AIR TRACTOR | Croatia | |
| Air Park Aviation Ltd. | APA | CAN-AM | Canada | |
| Air People International | APG | AIR PEOPLE | Thailand | |
| All Nippon Airways | NH | ANA | ALL NIPPON | Japan |
| Air Navigation And Trading Co. Ltd. | ANB | AIR NAV | United Kingdom | |
| Air-Angol | NGO | AIR ANGOL | Angola | |
| Air Nigeria | TZ | TWG | REGAL EAGLE | Nigeria |
| Air Cargo Carriers | 2Q | SNC | NIGHT CARGO | United States |
| Air Samarkand | SND | ARSAM | Uzbekistan | |
| Air Senegal International | V7 | SNG | AIR SENEGAL | Senegal |
| Air Sandy | SNY | AIR SANDY | Canada | |
| Air Integra | AII | INTEGRA | Canada | |
| Air Baffin | BFF | AIR BAFFIN | Canada | |
| Air Bandama | BDM | BANDAMA | Ivory Coast | |
| Air Berlin | AB | BER | AIR BERLIN | Germany |
| Air Brousse | ABT | AIR BROUSSE | Canada | |
| Air Plan International | APV | AIR PLAN | Democratic Republic of the Congo | |
| Air Xpress, Inc. | ARX | AIREX | United States | |
| Air Tchad | HTT | HOTEL TANGO | Chad | |
| Air Resorts | ARZ | AIR RESORTS | United States | |
| Air-Spray 1967 Ltd. | ASB | AIR SPRAY | Canada | |
| Air Star Corporation | ASC | AIR STAR | Canada | |
| Air Sinai | 4D | ASD | AIR SINAI | Egypt |
| Air Queensland | AQN | BUSHAIR | Australia | |
| Air Routing International Corp. | ARC | United States | ||
| Air Armenia | QN | ARR | AIR ARMENIA | Armenia |
| ASL Airlines Ireland | ABR | CONTRACT | Ireland | |
| Air Illinois | AIL | AIR ILLINOIS | United States | |
| Air India | AI | AIC | AIRINDIA | India |
| Air Inter Gabon | AIG | Gabon | ||
| Air Saint Pierre | PJ | SPM | SAINT-PIERRE | France |
| Air Southwest | SZ | WOW | SWALLOW | United Kingdom |
| Air Traffic GmbH | ATJ | SNOOPY | Germany | |
| Air Transport International | 8C | ATN | AIR TRANSPORT | United States |
| Air Transport Schiphol | ATQ | MULTI | Netherlands | |
| Air Transport Service | ATS | Democratic Republic of the Congo | ||
| Air Falcon | AVG | DJIBOUTI FALCON | Djibouti | |
| Air Uganda International Ltd. | AUX | Uganda | ||
| Air Vanuatu | NF | AVN | AIR VAN | Vanuatu |
| Air Bourbon | ZB | BUB | BOURBON | Reunion |
| Air Atlanta Icelandic | CC | ABD | ATLANTA | Iceland |
| Air Inuit | AIE | AIR INUIT | Canada | |
| Air Sureste | AIS | SURESTE | Spain | |
| Air Srpska | RB | SBK | Air Srpska | Bosnia and Herzegovina |
| Air Tahiti Nui | TN | THT | TAHITI AIRLINES | France |
| Air Namibia | SW | NMB | NAMIBIA | Namibia |
| Air Intersalonika | NSK | INTERSALONIKA | Greece | |
| Air Anatolia | NTL | AIR ANATOLIA | Turkey | |
| Air Saigon | SGA | AIR SAIGON | Vietnam | |
| Afrique Regional Airways | AFW | AFRAIR | Côte d Ivoire | |
| Africa World Airlines | AW | AFW | BLACKSTAR | Ghana |
| Air Charters | ACX | PARAIR | Canada | |
| Air Europe Italy | PE | AEL | AIR EUROPE | Italy |
| Air Jamaica | JM | AJM | JAMAICA | Jamaica |
| Air Niamey | AWN | AIR NIAMEY | Niger | |
| Air West | AWT | AIR WEST | Canada | |
| Air Wales | 6G | AWW | RED DRAGON | United Kingdom |
| Air Caraïbes | TX | FWI | FRENCH WEST | France |
| Air India Express | IX | AXB | EXPRESS INDIA | India |
| Air Express | AXD | AIR SUDEX | Sudan | |
| Air Wings | BSB | ARBAS | Moldova | |
| Air Baltic | BT | BTI | AIRBALTIC | Latvia |
| Air Atlantic (Nig) Limited | ANI | NIGALANTIC | Nigeria | |
| Air Nippon | EL | ANK | ANK AIR | Japan |
| Air Nostrum | YW | ANE | AIR NOSTRUM | Spain |
| Air Niugini | PX | ANG | NIUGINI | Papua New Guinea |
| Air Arabia | G9 | ABY | ARABIA | United Arab Emirates |
| Air Canada | AC | ACA | AIR CANADA | Canada |
| AlbaStar | AP | LAV | ALBASTAR | Spain |
| Air Memphis | MHS | AIR MEMPHIS | Egypt | |
| Air Exel | XT | AXL | EXEL COMMUTER | Netherlands |
| Air Zermatt AG | AZF | AIR ZERMATT | Switzerland | |
| Air Zimbabwe | UM | AZW | AIR ZIMBABWE | Zimbabwe |
| Air Memphis | MHU | MEPHIS UGANDA | Uganda | |
| Air Marrakech Service | MKH | AIR MARRAKECH | Morocco | |
| Air Max Africa | AZX | AZIMA | Gabon | |
| Air Sahara | S2 | RSH | SAHARA | India |
| Air Transport Association | ATA | United States | ||
| Air Tanzania | TC | ATC | TANZANIA | Tanzania |
| Air Charter World | XAC | United States | ||
| Air Burkina | 2J | VBW | BURKINA | Burkina Faso |
| Air Travel Corp. | ATH | AIR TRAVEL | United States | |
| Air Malta | KM | AMC | AIR MALTA | Malta |
| Air Togo | YT | TGA | AIR TOGO | Togo |
| Air Satellite | ASJ | SATELLITE | Canada | |
| Air and Sea Transport | ASN | Russia | ||
| Air Class, S.A. de C.V. | ASS | AIR CLASS | Mexico | |
| Air Nepal International | NPL | AIR NEPAL | Nepal | |
| Air Napier | NPR | New Zealand | ||
| Air Taxi & Cargo | WAM | TAXI CARGO | Sudan | |
| Air Somalia | RSM | AIR SOMALIA | Somali Republic | |
| AirWest | AWZ | Sudan | ||
| Allegiant Air | G4 | AAY | ALLEGIANT | United States |
| Angus Aviation | AAZ | ANGUS | Canada | |
| Artem-Avia | ABA | ARTEM-AVIA | Ukraine | |
| African Business and Transportations | ABB | AFRICAN BUSINESS | Democratic Republic of the Congo | |
| Aban Air | ABE | ABAN | Iran | |
| Aerial Oy | ABF | SKYWINGS | Finland | |
| Abakan-Avia | ABG | ABAKAN-AVIA | Russia | |
| ABSA Cargo | M3 | TUS | Turismo | Brazil |
| Abaeté Linhas Aéreas | ABJ | Brazil | ||
| Alberta Citylink | ABK | ALBERTA CITYLINK | Canada | |
| APSA Colombia | ABO | AEROEXPRESO | Colombia | |
| Aerovías Bueno | ABU | AEROBUENO | Colombia | |
| Aerocenter, Escuela de Formación de Pilotos Privados de Avión | ACR | AEROCENTER | Spain | |
| Antrak Air | O4 | ABV | ANTRAK | Ghana |
| Airborne Express | GB | ABX | ABEX | United States |
| ABX Air | GB | ABX | ABEX | United States |
| ATA Brasil | ABZ | ATA-BRAZIL | Brazil | |
| Avcard Services | ACC | United Kingdom | ||
| Academy Airlines | ACD | ACADEMY | United States | |
| Astral Aviation | 8V | ACP | ASTRAL CARGO | Kenya |
| Atlas Cargo Airlines | ACY | ATLAS CARGOLINES | Morocco | |
| Airservices Australia | ADA | AUSCAL | Australia | |
| Advance Leasing Company | 4G* | United States | ||
| Air Tindi | 8T | TID | Canada | |
| Antonov Airlines | ADB | ANTONOV BUREAU | Ukraine | |
| Advanced Air Co. | ADD | Japan | ||
| Ada Air | ADE | ADA AIR | Albania | |
| Aerea Flying Training Organization | ADG | AEREA TRAINING | Spain | |
| Audeli Air | ADI | AUDELI | Spain | |
| Abidjan Air Cargo | ADJ | ABICAR | Côte d Ivoire | |
| ADC Airlines | Z7* | ADK | ADCO | Nigeria |
| Aero-Dienst | ADL | AERODIENST | Germany | |
| Aerodiplomatic | ADP | AERODIPLOMATIC | Mexico | |
| Aerodyne | ADY | AERODYNE | United States | |
| Avion Taxi | ADQ | AIR DATA | Canada | |
| Adria Airways | JP | ADR | ADRIA | Slovenia |
| Aviones de Sonora | ADS | SONORAV | Mexico | |
| Airdeal Oy | ADU | AIRDEAL | Finland | |
| Advance Air Charters | ADV | ADVANCE | Canada | |
| Aero Benin | EM* | AEB | AEROBEN | Benin |
| Aerocésar | AEC | AEROCESAR | Colombia | |
| Aerotrans Airlines | AED | Russia | ||
| Anderson Aviation | ADX | ANDAX | United States | |
| Aegean Airlines | A3 | AEE | AEGEAN | Greece |
| Aerofumigaciones Sam | AEG | FUMIGACIONES SAM | Chile | |
| Aerogal | 2K | GLG | AEROGAL | Ecuador |
| Aeroexpreso Interamericano | AEI | INTERAM | Colombia | |
| Air Express | AEJ | KHAKI EXPRESS | Tanzania | |
| Aerocon | AEK | AEROCON | Bolivia | |
| Aero Madrid | AEM | AEROMADRID | Spain | |
| Air Enterprise | KD | AEN | AIR ENTERPRISE | France |
| Aeroservicios Ejecutivos Del Occidente | AEO | AERO OCCIDENTE | Mexico | |
| Aerotec Escuela de Pilotos | AEP | AEROTEC | Spain | |
| Alaska Central Express | KO | AER | ACE AIR | United States |
| ACES Colombia | VX | AES | ACES | Colombia |
| Aloha Air Cargo | KH | AAH | ALOHA | United States |
| Alaska Island Air | AAK | ALASKA ISLAND | United States | |
| American Airlines | AA | AAL | AMERICAN | United States |
| AmericanConnection | AX | — | — | United States |
| Ansett Australia | AN | AAA | ANSETT | Australia |
| Army Air Corps | AAC | ARMYAIR | United Kingdom | |
| Astraeus | 5W | AEU | FLYSTAR | United Kingdom |
| Aeroventas | AEV | AEROVENTAS | Mexico | |
| Aerosvit Airlines | VV | AEW | AEROSVIT | Ukraine |
| Airway Express | AEX | AVCO | United States | |
| Aerial Transit | AEZ | AERIAL TRANZ | United States | |
| Alfa Air | AFA | BLUE ALFA | Czech Republic | |
| American Falcon | WK | AFB | AMERICAN FALCON | Argentina |
| Alliance Airlines | UTY | UNITY | Australia | |
| Air Universal | UVS | UNI-LEONE | Sierra Leone | |
| Auvia Air | UVT | AUVIA | Indonesia | |
| African West Air | AFC | AFRICAN WEST | Senegal | |
| Airfast Indonesia | AFE | AIRFAST | Indonesia | |
| Ariana Afghan Airlines | FG | AFG | ARIANA | Afghanistan |
| Africaone | RV* | AFI | AFRICAWORLD | The Gambia |
| Alliance Air | Y2 | AFJ | JAMBO | Uganda |
| Africa Air Links | AFK | AFRICA LINKS | Sierra Leone | |
| Aeroflot Russian Airlines | SU | AFL | AEROFLOT | Russia |
| Aero Empresa Mexicana | AFO | AERO EMPRESA | Mexico | |
| Alba Servizi Aerotrasporti | AFQ | ALBA | Italy | |
| Airfreight Express | 5Z | AFX | United Kingdom | |
| Africa Chartered Services | AFY | AFRICA CHARTERED | Nigeria | |
| Africa Freight Services | AFZ | AFREIGHT | Zambia | |
| Aeronaves Del Centro | AGA | Venezuela | ||
| Arab Agricultural Aviation Company | AGC | AGRICO | Egypt | |
| Atlantic Gulf Airlines | AGF | ATLANTIC GULF | United States | |
| Aeroméxico Connect | 5D | SLI | COSTERA | Mexico |
| Algoma Airways | AGG | ALGOMA | Canada | |
| Altagna | AGH | ALTAGNA | France | |
| Angola Air Charter | AGO | ANGOLA CHARTER | Angola | |
| AERFI Group | AGP | AIR TARA | Ireland | |
| Aerogala | AGQ | GALASERVICE | Chile | |
| Amadeus IT Group | 1A | AGT | AMADEUS | Spain |
| Angara Airlines | AGU | SARMA | Russia | |
| Aero Gambia | AGW | AERO GAMBIA | Gambia | |
| Aviogenex | JJ | AGX | GENEX | Serbia |
| Atlantic Coast Airlines | BLR | BLUE RIDGE | United States | |
| Aero Barloz | BLZ | AEROLOZ | Mexico | |
| Aeroperú | PL | PLI | Aeroperu | Peru |
| Atlas Blue | 8A | BMM | ATLAS BLUE | Morocco |
| Aero Banobras | BNB | AEROBANOBRAS | Mexico | |
| Aero Flight Service | AGY | FLIGHT GROUP | United States | |
| Agrolet-Mci | AGZ | AGROLET | Slovakia | |
| Air Alpha Greenland | GD | AHA | AIR ALPHA | Denmark |
| Azal Avia Cargo | AHC | AZALAVIACARGO | Azerbaijan | |
| Airport Helicopter Basel, Muller & Co. | AHE | AIRPORT HELICOPTER | Switzerland | |
| Aeroservices Corporate | CJE | BIRD JET | France | |
| Aspen Helicopters | AHF | ASPEN | United States | |
| Aerochago Airlines | AHG | AEROCHAGO | Dominican Republic | |
| Airplanes Holdings | AHH | AIRHOLD | Ireland | |
| Aerochiapas | AHP | AEROCHIAPAS | Mexico | |
| ABC Air Hungary | AHU | ABC HUNGARY | Hungary | |
| Aeromist-Kharkiv | HT | AHW | AEROMIST | Ukraine |
| Azerbaijan Airlines | J2 | AHY | AZAL | Azerbaijan |
| Avies | U3 | AIA | AVIES | Estonia |
| Airbus Industrie | 4Y | AIB | AIRBUS INDUSTRIE | France |
| Air Incheon | AIH | AIR INCHEON | South Korea | |
| Air Seoul | RS | ASV | AIR SEOUL | South Korea |
| ABC Aerolíneas | AIJ | ABC AEROLINEAS | Mexico | |
| African Airlines | AIK | AFRICAN AIRLINES | Kenya | |
| African International Airways | AIN | FLY CARGO | Swaziland | |
| Alpine Air Express | 5A | AIP | ALPINE AIR | United States |
| Alicante Internacional Airlines | AIU | ALIA | Spain | |
| ABS Jets | ABP | BAIR | Czech Republic | |
| Airblue | ED* | ABQ | PAKBLUE | Pakistan |
| Airmark Aviation | THM | THAI AIRMARK | Thailand | |
| Airlift International | AIR | AIRLIFT | United States | |
| Airest | AIT | Estonia | ||
| Airvias S/A Linhas Aéreas | AIV | AIRVIAS | Brazil | |
| Atlantic Island Airways | W4 | BES | TARTAN | Canada |
| Aircruising Australia | AIX | CRUISER | Australia | |
| Aircrew Check and Training Australia | AIY | AIRCREW | Australia | |
| Arkia Israel Airlines | IZ | AIZ | ARKIA | Israel |
| Afghan Jet International Airlines | AJA | AFGHAN JET | Afghanistan | |
| Aero JBR | AJB | AERO JBR | Mexico | |
| Aero Jet Express | AJE | JET EXPRESS | Mexico | |
| Avia Consult Flugbetriebs | AJF | AVIACONSULT | Austria | |
| Ameristar Jet Charter | AJI | AMERISTAR | United States | |
| Allied Air | AJK | BAMBI | Nigeria | |
| Aero Ejecutivo | AJO | AEROEXO | Mexico | |
| Aero Jets Corporativos | AJP | AEROJETS | Mexico | |
| Aeroejecutivos Colombia | AJS | AEROEJECUTIVOS | Colombia | |
| Amerijet International | M6 | AJT | AMERIJET | United States |
| ANA & JP Express | AJV | AYJAY CARGO | Japan | |
| Alpha Jet International | AJW | ALPHAJET | United States | |
| AJet | AJY | AYJET | Cyprus | |
| Aktjubavia | AKB | KARAB | Kazakhstan | |
| Arca Aerovías Colombianas Ltda. | AKC | ARCA | Colombia | |
| Anikay Air Company | AKF | ANIKAY | Kyrgyzstan | |
| Akhal | AKH | AKHAL | Turkmenistan | |
| Aeromilenio | MNI | AEROMIL | Mexico | |
| Aklak Air | AKK | AKLAK | Canada | |
| Air Kiribati | 4A | AKL | Kiribati | |
| Alkan Air | AKN | ALKAN AIR | Canada | |
| Angkor Airways | AKW | ANGKORWAYS | Cambodia | |
| AK Navigator LLC | AKZ | ABSOLUTE | Kazakhstan | |
| Aero Albatros | ALB | ALBATROS | Mexico | |
| Albion Aviation | ALD | ALBION | United Kingdom | |
| Aeroalas Colombia | ALE | AEROALAS | Colombia | |
| Allied Command Europe (Mobile Force) | ALF | ACEFORCE | Belgium | |
| Aerotaxis Albatros | BTS | AEROLINEAS ALBATROS | Mexico | |
| Aero Coach Aviation | FYS | AERO COACH | United States | |
| Atlantic Southeast Airlines | EV | ASQ | ACEY | United States |
| ACM Air Charter | BVR | BAVARIAN | Germany | |
| Air Logistics | ALG | AIRLOG | United States | |
| Aerovallarta | ALL | VALLARTA | Mexico | |
| America West Airlines | HP | AWE | CACTUS | United States |
| Aerotransporte de Carga Union | TNO | AEROUNION | Mexico | |
| Aero Taxis Cessna | TND | TAXIS CESSNA | Mexico | |
| Arizona Express Airlines | TMP | TEMPE | United States | |
| Allegheny Commuter Airlines | ALO | ALLEGHENY | United States | |
| Allpoints Jet | ALP | ALLPOINTS | China | |
| Alpliner AG | ALP | ALPINER | Switzerland | |
| Altair Aviation (1986) | ALQ | ALTAIR | Canada | |
| Aeropostal Alas de Venezuela | VH | ALV | AEROPOSTAL | Venezuela |
| Alas Nacionales, S.A. | ALW | ALNACIONAL | Dominican Republic | |
| Alyeska Air Service | ALY | ALYESKA | United States | |
| Alta Flights (Charters) Ltd. | ALZ | Canada | ||
| ATMA | AMA | ADIK | Kazakhstan | |
| Aerolíneas Medellín | AMD | AEROLINEAS MEDELLIN | Colombia | |
| Ameriflight | AMF | AMFLIGHT | United States | |
| Alan Mann Helicopters Ltd. | AMH | MANN | United Kingdom | |
| Aviation Amos | AMJ | AVIATION AMOS | Canada | |
| Amerer Air | AMK | AMER AIR | Austria | |
| Aeroputul International Marculesti | AMM | AEROM | Moldova | |
| Aero Transporte S.A. (ATSA) | AMP | ATSA | Peru | |
| Aeromedicare Ltd. | AMQ | LIFELINE | United Kingdom | |
| Aircraft Management and Consulting | AMQ | AMEX | Poland | |
| ATA Airlines | TZ | AMT | AMTRAN | United States |
| AMC Airlines | AMV | Egypt | ||
| Aeroméxico | AM | AMX | AEROMEXICO | Mexico |
| Amiya Airline | AMZ | AMIYA AIR | Nigeria | |
| Anglo Cargo | ANC | ANGLO | United Kingdom | |
| AeroBratsk | BRP | AEROBRA | Russia | |
| Alajnihah for Air Transport | ANH | ALAJNIHAH | Libya | |
| Aerotransportacion de Norteamerica | ANM | NORAM | Mexico | |
| Antares Airtransport, Maintenance & Service GmbH | ANM | ANTARES | Germany | |
| Airnorth | TL | ANO | TOPEND | Australia |
| Aerolínea de Antioquia | ANQ | ANTIOQUIA | Colombia | |
| Andes Líneas Aéreas | OY | ANS | AEROANDES | Argentina |
| AOM French Airlines | IW | AOM | French Lines | France |
| Aviación Del Noroeste, S.A. de C.V. | ANW | AVINOR | Mexico | |
| Avia Jaynar | SAP | TOBOL | Kazakhstan | |
| Aero Servicios Empresariales | EMS | SERVIEMPRESARIAL | Mexico | |
| Alcon Servicios Aéreos, S.A. de C.V. | AOA | ALCON | Mexico | |
| AVCOM | J6 | AOC | AERO AVCOM | Russia |
| Aero Vodochody | AOD | AERO CZECH | Czech Republic | |
| Atair Pty Ltd. | AOF | ATAIR | South Africa | |
| Aero VIP | 2D | AOG | AVIP | Argentina |
| Aeromundo Ejecutivo | MUN | AEROMUNDO | Mexico | |
| Aerolínea Muri | MUR | MURI | Mexico | |
| Astoria, Inc. | AOI | ASTORIA | Canada | |
| Aero Rent | NRO | AEROMASTER | Russia | |
| Aeronord-Grup | NRP | AERONORD | Moldova | |
| Aeroatlantico Colombia | AOK | Colombia | ||
| Angkor Airlines | AOL | ANGKOR AIR | Cambodia | |
| Aero Entreprise | AON | AERO ENTERPRISE | France | |
| As, Opened Joint Stock Company | AOO | COMPANY AS | Ukraine | |
| Aeropiloto | AOP | AEROPILOTO | Portugal | |
| Aeroenlaces Nacionales | VB | VIV | AEROENLACES | Mexico |
| Aerovis Airlines | VIZ | AEROVIZ | Ukraine | |
| AvJet Routing | VJE | United Arab Emirates | ||
| Aerovista Gulf Express | VGF | VISTA GULF | United Arab Emirates | |
| Almaver | VER | ALMAVER | Mexico | |
| Afro International Ent. Limited | AOR | INTER-AFRO | Nigeria | |
| Alitalia Express | SMX | ALIEXPRESS | Italy | |
| Asia Overnight Express | OE | AOT | ASIA OVERNIGHT | Philippines |
| Aero Vision | AOV | AEROVISION | France | |
| Aerotaxi Del Valle | AOX | AEROVALLE | Colombia | |
| Airpac Airlines, Inc. | APC | AIRPAC | United States | |
| Aeroservicios Monterrey | SVM | SERVIMONTE | Mexico | |
| Amapola Flyg AB | APF | AMAPOLA | Sweden | |
| Alpha Aviation, Inc. | APH | AIRFLIGHT | United States | |
| ASA Pesada, Lda. | API | ASA PESADA | Angola | |
| Air Print, S.A. | APJ | AIR PRINT | Luxembourg | |
| Aerotransporte Petrolero | PET | AEROPETRO | Colombia | |
| Aero Flight | GV | ARF | Aero Fox | Germany |
| ACM Aviation | BJT | BAY JET | United States | |
| Aircompany Barcol | BKL | BARCOL | Russia | |
| All Charter Limited | BLA | ALL CHARTER | United Kingdom | |
| Appalachian Flying Service, Inc. | APL | APPALACHIAN | United States | |
| Airpac, Inc. | APM | ALASKA PACIFIC | United States | |
| Aeropro | APO | AEROPRO | Canada | |
| Aerolíneas Pacífico Atlántico, S.A. (Apair) | APP | AEROPERLAS | Panama | |
| Aspen Aviation | APQ | ASPEN BASE | United States | |
| Aeropuma, S.A. | APU | AEROPUMA | El Salvador | |
| Arrow Air | JW | APW | BIG A | United States |
| Apex Air Cargo | APX | PARCEL EXPRESS | United States | |
| APA Internacional | APY | APA INTERNACIONAL | Dominican Republic | |
| Aeroatlas, S.A. | AQA | ATCO | Colombia | |
| Aquila Air Ltd. | AQL | AQUILA | Canada | |
| Aluminum Company Of America | AQO | ALCOA SHUTTLE | United States | |
| Aviones de Renta de Quintana Roo, S.A. de C.V. | AQT | AVIOQUINTANA | Mexico | |
| AirQuarius Aviation | AQU | QUARIUS | South Africa | |
| Aerodyne Charter Company | AQZ | QUANZA | United States | |
| Arik Air | ARA | ARIK AIR | Nigeria | |
| Avia Air N.V. | ARB | AVIAIR | Aruba | |
| Albawings | 2B | AWT | ALBAWINGS | Albania |
| Aires, Aerovías de Integración Regional, S.A. | 4C | ARE | AIRES | Colombia |
| Aerolíneas Argentinas | AR | ARG | ARGENTINA | Argentina |
| Arrowhead Airways | ARH | ARROWHEAD | United States | |
| Aero Vics | ARI | AEROVICS | Mexico | |
| Aerojet de Costa Rica, S.A. | ARJ | Costa Rica | ||
| Antillana De Navegación Aérea | SUN | Dominican Republic | ||
| Aeroservicios De San Luis | SUO | SERVICIO SANLUIS | Mexico | |
| Aerosuper | SUP | AEROSUPER | Mexico | |
| Aero Link Air Services S.L. | ARK | LINK SERVICE | Spain | |
| Airlec - Air Aquitaine Transport | ARL | AIRLEC | France | |
| Aeromarket Express | ARM | AMEX | Spain | |
| Arrow Aviation Ltd. | ARO | ARROW | Canada | |
| Air Klaipėda | KLD | AIR KLAIPEDA | Lithuania | |
| Armstrong Air, Inc. | ARQ | ARMSTRONG | Canada | |
| Aeromet Servicios | ARS | METSERVICE | Chile | |
| Aerotal Aerolíneas Territoriales de Colombia Ltda. | ART | AEROTAL | Colombia | |
| Aravco Ltd. | ARV | ARAVCO | United Kingdom | |
| Aria | ARW | ARIABIRD | France | |
| Airline Alania | OST | ALANIA | Russia | |
| Aerolíneas de Techuacán | HUC | LINEAS TEHUACAN | Mexico | |
| Aerotransportes Huitzilin | HUT | AEROHUITZILIN | Mexico | |
| Aero Transportes Del Humaya | HUY | AERO HUMAYA | Mexico | |
| Argosy Airways | ARY | GOSEY | United States | |
| Alaska Airlines, Inc. | AS | ASA | ALASKA | United States |
| Airstars | PL | ASE | MOROZOV | Russia |
| Air Schefferville, Inc. | ASF | SCHEFF | Canada | |
| African Star Airways (PTY) Ltd. | ASG | AFRICAN STAR | South Africa | |
| Aerosun International, Inc. | ASI | AEROSUN | United States | |
| Awesome Flight Services (PTY) Ltd. | ASM | AWESOME | South Africa | |
| Aero Slovakia | ASO | AERO NITRA | Slovakia | |
| Airsprint | ASP | AIRSPRINT | Canada | |
| All Star Airlines, Inc. | ASR | ALL STAR | United States | |
| Aerolíneas Del Oeste | AST | AEROESTE | Mexico | |
| Aviones Are | NRE | AVIONES ARE | Mexico | |
| Arrow Panama | WAP | ARROW PANAMA | Panama | |
| Astravia-Bissau Air Transports Ltd. | ASV | ASTRAVIA | Guinea-Bissau | |
| Astrakhan Airlines | OB | ASZ | AIR ASTRAKHAN | Russia |
| Atlantair Ltd. | ATB | STARLITE | Canada | |
| Aerotours Dominicana | ATD | AEROTOURS | Dominican Republic | |
| Atlantis Transportation Services, Ltd. | ATE | ATLANTIS CANADA | Canada | |
| [6] | ATG | MOLDCARGO | Moldova | |
| Aero-Tropics Air Services | HC | ATI | Australia | |
| AeroTACA | ATK | AEROTACA | Colombia | |
| Airlines of Tasmania | FO | ATM | AIRTAS | Australia |
| Air Corporate | CPV | AIRCORPORATE | Italy | |
| ASTRAL Colombia - Aerotransportes Especiales Ltda. | ATP | ASTRAL | Colombia | |
| Aeroferinco | FEO | FERINCO | Mexico | |
| Aero Taxis Y Servicios Alfe | FES | AERO ALFE | Mexico | |
| Avialesookhrana | FFA | AVIALESOOKHRANA | Russia | |
| Africair Service | FFB | FOXTROT FOXTROT | Senegal | |
| Atlas Airlines | ATR | ATLAS-AIR | United States | |
| Aer Turas | ATT | AERTURAS | Ireland | |
| Atlant Aerobatics Ltd. | ATU | ATLANT HUNGARY | Hungary | |
| Avanti Air | ATV | AVANTI AIR | Germany | |
| Aero Trades (Western) Ltd. | ATW | AERO TRADES | Canada | |
| Austrian Airlines | OS | AUA | AUSTRIAN | Austria |
| Augsburg Airways | IQ | AUB | AUGSBURG-AIR | Germany |
| Aviastar-Tu | TUP | TUPOLEVAIR | Russia | |
| AirBridge Cargo | RU | ABW | AIRBRIDGE CARGO | Russia |
| ATUR | TUR | Ecuador | ||
| ATESA Aerotaxis Ecuatorianos | TXU | ATESA | Ecuador | |
| Austin Express | TXX | COWBOY | United States | |
| Audi Air, Inc. | AUD | AUDI AIR | United States | |
| Augusta Air Luftfahrtunternehmen | AUF | AUGUSTA | Germany | |
| Abu Dhabi Amiri Flight | MO | AUH | SULTAN | United Arab Emirates |
| Air Atlantic Uruguay | AUM | ATLAMUR | Uruguay | |
| Aviones Unidos | AUN | AVIONES UNIDOS | Mexico | |
| Avia Business Group | AUP | Russia | ||
| Aero Servicios Expecializados | SVE | AEROESPECIAL | Mexico | |
| Aurigny Air Services | GR | AUR | AYLINE | United Kingdom |
| Aus-Air | NO | AUS | Australia | |
| Austral Líneas Aéreas | AU | AUT | AUSTRAL | Argentina |
| Aurora Aviation, Inc. | AUU | AURORA AIR | United States | |
| Aerolíneas Uruguayas, S.A. | AUY | AUSA | Uruguay | |
| Australian Airlines | AO | AUZ | AUSTRALIAN | Australia |
| Avianca | AV | AVA | AVIANCA | Colombia |
| Avianca Argentina | A0 | MCJ | JETMAC | Argentina |
| Avianca Brazil | O6 | ONE | OCEAN AIR | Brazil |
| Aviation Beauport | AVB | BEAUPAIR | United Kingdom | |
| Aviair Aviation Ltd. | AVF | CARIBOO | Canada | |
| AV8 Helicopters | AVH | KENT HELI | United Kingdom | |
| Avia Traffic Company | AVJ | ATOMIC | Kyrgyzstan | |
| AV8 Helicopters | AVK | AVIATE-COPTER | South Africa | |
| Aviación Ejecutiva Mexicana, S.A. | AVM | AVEMEX | Mexico | |
| Aviation at Work | AVO | AVIATION WORK | South Africa | |
| Avcorp Registrations | AVP | AVCORP | United Kingdom | |
| Aviacion Corporativa de Peubla | AVP | AVIA PUEBLA | Mexico | |
| Alfa Aerospace | LFP | ALFA-SPACE | Australia | |
| Atlantic Airfreight Aviation | LFR | LANFREIGHT | São Tomé and Príncipe | |
| Aerolift Company | LFT | LIFTCO | Sierra Leone | |
| Aviation Services, Inc. | AVQ | AQUILINE | United States | |
| Active Aero Charter, Inc. | AVR | ACTIVE AERO | United States | |
| Avialsa T-35 | AVS | AVIALSA | Spain | |
| Asia Avia Airlines | AVT | ASIAVIA | Indonesia | |
| Avia Sud Aérotaxi | AVU | AVIASUD | France | |
| Airvantage Incorporated | AVV | AIRVANTAGE | United States | |
| Aviator Airways | AVW | AVIATOR | Greece | |
| Aviapaslauga | AVX | PASLAUGA | Lithuania | |
| Air Yugoslavia | XXX | YUGAIR | Serbia | |
| Airlink Zambia | K8 | ZAK | Zambia | |
| Agence Nationale des Aerodromes et de la Meteorologie | ZZM | Ivory Coast | ||
| Airbus Transport International | 4Y | BGA | BELUGA | France |
| Air Bangladesh | B9 | BGD | AIR BANGLA | Bangladesh |
| Aviodetachment-28 | BGF | BULGARIAN | Bulgaria | |
| Aero BG | BGG | AERO BG | Mexico | |
| Aerotaxis De La Bahia | BHC | BAHIA | Mexico | |
| Aviaservice | BIV | AVIASERVICE | Georgia | |
| Aerolíneas de El Salvador | SZA | AESA | El Salvador | |
| Aerovaradero, S.A. | AVY | AEROVARADERO | Cuba | |
| Airways International, Inc. | AWB | AIRNAT | United States | |
| Airwork | AWK | AIRWORK | New Zealand | |
| Australian Wetleasing | AWL | AUSSIEWORLD | Australia | |
| Awood Air Ltd. | AWO | AWOOD AIR | Canada | |
| Arctic Wings And Rotors Ltd. | AWR | ARCTIC WINGS | Canada | |
| Auo Airclub AIST-M | ISM | STORK | Russia | |
| Arab Wings | AWS | ARAB WINGS | Jordan | |
| Airwave Transport, Inc. | AWV | AIRWAVE | Canada | |
| Aeroway, S.L. | AWY | AEROWEE | Spain | |
| Asian Express Airlines | HJ | AXF | FREIGHTEXPRESS | Australia |
| Aeromexhaga | AXH | AEROMEXHAGA | Mexico | |
| Aeron International Airlines, Inc. | AXI | AIR FREIGHTER | United States | |
| African Express Airways | AXK | EXPRESS JET | Kenya | |
| AirAsia | AK | AXM | RED CAP | Malaysia |
| AirAsia X | D7 | XAX | XANADU | Malaysia |
| AirAsia Japan | DJ | WAJ | WING ASIA | Japan |
| AirAsia India | I5 | IAD | ARIYA | India |
| Alexandair | AXN | ALEXANDROS | Greece | |
| Aeromax | AXP | AEROMAX SPAIN | Spain | |
| Action Airlines (Action Air Charter) | AXQ | ACTION AIR | United States | |
| Alberni Airways | BNI | ALBERNI | Canada | |
| Aerolíneas Bonanza | BNZ | AERO BONANZA | Mexico | |
| Aerobona | BOC | AEROBONA | Mexico | |
| Aboitiz Air | BOI | ABAIR | Philippines | |
| Axel Rent, S.A. | AXR | RENTAXEL | Mexico | |
| Altus Airlines | AXS | ALTUS | United States | |
| Aviaxess | AXV | AXAVIA | France | |
| Avioimpex A.D.p.o. | AXX | IMPEX | Macedonia | |
| Axis Airways | 6V | AXY | AXIS | France |
| Aladia Airlines | AYD | AIRLINES ALADIA | Mexico | |
| Aykavia Aircompany | AYK | Armenia | ||
| Airman, S.L. | AYM | AIRMAN | Spain | |
| Atlantic Airlines | NPT | NEPTUNE | United Kingdom | |
| Atlantic Airlines | GBN | ATLANTIC GABON | Gabon | |
| Atlantic Airlines | EX | BJK | BLACKJACK | United States |
| Atlantic Airlines de Honduras | HHA | ATLANTIC HONDURAS | Honduras | |
| Atlantic Airlines, S.A. | AYN | ATLANTIC NICARAGUA | Nicaragua | |
| Awsaj Aviation Services | AYS | Libya | ||
| Ayeet Aviation & Tourism | AYT | AYEET | Israel | |
| Atlant-Soyuz Airlines | 3G | AYZ | ATLANT-SOYUZ | Russia |
| Alitalia | AZ | AZA | ALITALIA | Italy |
| Azamat | AZB | TUMARA | Kazakhstan | |
| Arcus-Air Logistic | ZE | AZE | ARCUS AIR | Germany |
| Astra Airlines | A2 | AZI | ASTRA | Greece |
| Azalhelikopter | AZK | AZALHELICOPTER | Azerbaijan | |
| Africa One | AZL | SKY AFRICA | Zambia | |
| Aerocozumel | AZM | AEROCOZUMEL | Mexico | |
| Arizona Pacific Airways | AZP | ARIZONA PACIFIC | United States | |
| Aviacon Zitotrans Air Company | AZS | ZITOTRANS | Russia | |
| Azimut, S.A. | AZT | AZIMUT | Spain | |
| Azov Avia Airlines | AZV | AZOV AVIA | Ukraine | |
| Aero Jomacha | MHC | AERO JOMACHA | Mexico | |
| Arizona Airways, Inc. | AZY | ARIZAIR | United States | |
| Azza Transport | AZZ | AZZA TRANSPORT | Sudan | |
| Air Continental Inc | NAR | NIGHT AIR | United States | |
| Antanik-Air | NAU | ANTANIK | Ukraine | |
| Air Newark | NER | NEWAIR | United States | |
| Aircraft Support and Services | NFF | Lebanon | ||
| Aerobanana | OBA | AEROBANANA | Mexico | |
| Amako Airlines | OBK | AMAKO AIR | Nigeria | |
| Aserca Airlines | R7 | OCA | AROSCA | Venezuela |
| Afrique CArgo Service Senegal | NFS | Senegal | ||
| Angoservice | NGC | ANGOSERVICE | Angola | |
| Angel Airlines | NGE | ANGEL AIR | Thailand | |
| Angel Flight America | NGF | ANGEL FLIGHT | United States | |
| Air Atonabee | OUL | CITY EXPRESS | Canada | |
| Aero Nova | OVA | AERONOVA | Spain | |
| Amira Air | XPE | EXPERT | Austria | |
| Aero Express Intercontinental | XSS | INTER EXPRESS | Mexico | |
| Advance Aviation Services | XTJ | United States | ||
| Air Libya Tibesti | TLR | AIR LIBYA | Libya | |
| Aerovic | OVC | Ecuador | ||
| Airventure | RVE | AIRVENTURE | Belgium | |
| Aero Servicios | RVI | AERO SERVICIOS | Mexico | |
| Airvallee | RVL | AIR VALLEE | Italy | |
| Aeromover | OVE | AEROMOVER | Mexico | |
| Aerovías Ejecutivas | OVI | VIAS EJECUTIVAS | Mexico | |
| Aero Servicio Pity | PTD | PITY | Mexico | |
| Aero Copter | PTE | AERO-COP | Mexico | |
| Air Pal | PLL | AIRPAL | Spain | |
| Air Pullmantur | PLM | PULLMANTUR | Spain | |
| Aviaexpress | RX | AEH | AVEX | Hungary |
| Aviones Para Servirle | PSG | SERVIAVIONES | Mexico | |
| Avio Sluzba | SLU | AVIO SLUZBA | Serbia | |
| Air Scorpio | SCU | SCORPIO UNIVERS | Bulgaria | |
| Air Spirit | SIP | AIR SPIRIT | United States | |
| Alatau Airlines | BMV | OLIGA | Kazakhstan | |
| Aviateca | GUG | AVIATECA | Guatemala | |
| Aroostook Aviation | PXX | PINE STATE | United States | |
| Aeropycsa | PYC | AEROPYCSA | Mexico | |
| Association of Private Pilots of Kazakhstan | PVK | BORIS | Kazakhstan | |
| Aero Services | BAS | AEROSERV | Barbados | |
| Ababeel Aviation | BBE | BABEL AIR | Sudan | |
| Air Bashkortostan | BBT | AGYDAL | Russia | |
| Ambulance Air Africa | MCY | MERCY | South Africa | |
| American Eagle Airlines | MQ | EGF | EAGLE FLIGHT | United States |
| Aeropuelche | PUE | PUELCHE | Chile | |
| Aeroput | PUT | Serbia | ||
| Azzurra Air | ZS | AZI | AZZURRA | Italy |
| Airshop | FF | Netherlands | ||
| African Transport Trading and Investment Company | ML | ETC | TRANATTICO | Sudan |
| AD Aviation | VUE | FLIGHTVUE | United Kingdom | |
| Aero Costa Taxi Aéreo | XCT | AEROCOSTAXI | Mexico | |
| Aerovitro | VRO | AEROVITRO | Mexico | |
| Aerotaxi Villa Rica | VRI | VILLARICA | Mexico | |
| Aerovega | VEG | AEROVEGA | Mexico | |
| Aerovilla | VVG | AEROVILLA | Colombia | |
| Aerolíneas Villaverde | VLR | VILLAVERDE | Mexico | |
| Aero Air | WIL | WILLIAMETTE | United States | |
| Aero Ejecutivos | VEJ | VENEJECUTIV | Venezuela | |
| Aero Industries Inc | WAB | WABASH | United States | |
| Aero Servicios Vanguardia | VNG | VANGUARDIA | Mexico | |
| Aero Taxi Los Valles | VAD | VALLES | Spain | |
| Aero Vilamoura | VMR | AERO VILAMOURA | Portugal | |
| Aero Virel | VLS | VIREL | Mexico | |
| Aeronautical Radio Inc | XAA | United States | ||
| Aerovuelox | VUO | AEROVUELOX | Mexico | |
| Aeronaves TSM | VTM | AERONAVES TSM | Mexico | |
| Air Ivoire | VU | VUN | AIRIVOIRE | Ivory Coast |
| Air Botswana | BP | BOT | BOTSWANA | Botswana |
| Air-Rep | XPR | United States | ||
| Air Excel | XLL | TINGA-TINGA | Tanzania | |
| Air Evans | VAE | AIR-EVANS | Spain | |
| Air Sorel | WHY | AIR SOREL | Canada | |
| Air Net Private Charter | WDR | WIND RIDER | United States | |
| Air Executive Charter | XEC | Germany | ||
| Air Foyle | GS | UPA | FOYLE | United Kingdom |
| Air Midwest (Nigeria) | VTY | VICTORY | Nigeria | |
| Air Tahiti | VT | VTA | AIR TAHITI | French Polynesia |
| Air Urga | 3N | URG | URGA | Ukraine |
| Air Vardar | VDR | VARDAR | Macedonia | |
| Air VIA | VL | VIM | CRYSTAL | Bulgaria |
| Air Walser | WLR | AIRWALSER | Italy | |
| Aircompany Rosavia | URA | ROSAVIA | Ukraine | |
| Aircraft Performance Group | XLB | United States | ||
| Airwaves Airlink | WLA | AIRLIMITED | Zambia | |
| Airways Corporation of New Zealand | XFX | AIRCORP | New Zealand | |
| Airways | WAY | GARONNE | France | |
| Airwings oy | WGS | AIRWINGS | Finland | |
| Airkenya | XAK | SUNEXPRESS | Kenya | |
| Air-Lift Associates | WPK | WOLFPACK | United States | |
| Airtrans Ltd | VAB | Russia | ||
| ARP 410 Airlines | URP | AIR-ARP | Ukraine | |
| Auckland Regional Rescue Helicopter Trust | WPR | WESTPAC RESCUE | New Zealand | |
| Aurora Airlines | URR | AIR AURORA | Slovenia | |
| Austro Aéreo | UST | AUSTRO AEREO | Ecuador | |
| Aviation Partners | WLT | WINGLET | United States | |
| Avialift Vladivostok | VLV | VLADLIFT | Russia | |
| Aviación Comercial de América | VME | AVIAMERICA | Mexico | |
| Aviast Air | VVA | IALSI | Russia | |
| Aviation North | WLV | WOLVERINE | United States | |
| Africa West | FK | WTA | WEST TOGO | Togo |
| Avient Air Zambia | VNT | AVIENT | Zambia | |
| Aviazur | VZR | IAZUR | France | |
| Aviaprad | VID | AVIAPRAD | Russia | |
| Avirex | G2 | VXG | AVIREX-GABON | Gabon |
| Aviaexpress Aircompany | VXX | EXPRESSAVIA | Ukraine | |
| AMR Services Corporation | XAM | ALLIANCE | United States | |
| Airline Operations Services | XAO | United States | ||
| Airlines 400 | VAZ | REMONT AIR | Russia | |
| ATRAN Cargo Airlines | V8 | VAS | ATRAN | Russian Federation |
| Ameravia | VAM | AMERAVIA | Uruguay | |
| Angkor Air | K6 | KHV | AIR ANGKOR | Cambodia |
| AVB-2004 | VBC | AIR VICTOR | Bulgaria | |
| ASECNA | XKX | France | ||
| AT and T Aviation Division | XAT | United States | ||
| Avalair | VAI | AIR AVALAIR | Serbia | |
| Averitt Air Charter | VRT | AVERITT | United States | |
| Avensa | VE | AVE | AVENSA | Venezuela |
| Avolar Aerolíneas | V5 | VLI | AEROVOLAR | Mexico |
| Avstar Aviation | VSA | STARBIRD | South Africa | |
| AVESCA | VSC | AVESCA | Colombia | |
| Aviaprom Enterprises | XAV | AVIAPROM | Russia | |
| Avia Trans Air Transport | VTT | VIATRANSPORT | Sudan | |
| Aviostart AS | VSR | AVIOSTART | Bulgaria | |
| Aviação Transportes Aéreos e Cargas | VTG | ATACARGO | Angola | |
| Assistance Aeroportuaire de L Aeroport de Paris | XJA | France | ||
| American Flight Service Systems | XFS | United States | ||
| Australian air Express | XME | AUS-CARGO | Australia | |
| AMS Group | XMG | Russia | ||
| Air Caraibes Atlantique | CAJ | CAR LINE | France | |
| Air China Cargo | CAO | AIRCHINA FREIGHT | China | |
| Aerovías Caribe | CBE | AEROCARIBE | Mexico | |
| Aerotaxi del Cabo | CBO | TAXI CABO | Mexico | |
| Air Columbus | CBS | AIR COLUMBUS | Ukraine | |
| Aereo Cabo | CBV | CABOAEREO | Mexico | |
| Air China | CA | CCA | AIR CHINA | China |
| Aerocardal | CDA | CARDAL | Chile | |
| Aero Condor Peru | Q6 | CDP | CONDOR-PERU | Peru |
| Aerotrans | CDU | Russia | ||
| Airline Skol | CDV | SKOL | Russia | |
| Aerofan | CFF | AEROFAN | Spain | |
| ACEF | CFM | ACEF | Portugal | |
| Africa One | CFR | Democratic Republic of the Congo | ||
| Aero Calafia | CFV | CALAFIA | Mexico | |
| Air Cargo Belize | CGB | CARGO BELIZE | Belize | |
| Aero Clube Do Algarve | CGV | CLUBE ALGARVE | Portugal | |
| Air Great Wall | CGW | CHANGCHENG | China | |
| Aircompany Chaika | CHJ | AIR CHAIKA | Ukraine | |
| Air Charter Services | CHR | ZAIRE CHARTER | Democratic Republic of the Congo | |
| Air Charter Professionals | CHV | CHARTAIR | United States | |
| Asia Continental Airlines | CID | ACID | Kazakhstan | |
| Arctic Circle Air Service | 5F | CIR | AIR ARCTIC | United States |
| Aviation Charter Services | CKL | CIRCLE CITY | United States | |
| Aerovías Castillo | CLL | AEROCASTILLO | Mexico | |
| Aero Club De Portugal | CLP | CLUB PORTUGAL | Portugal | |
| Air Care Alliance | CMF | COMPASSION | United States | |
| Aero Continente Dominicana | CND | CONDOMINICANA | Dominican Republic | |
| Air Toronto | CNE | CONNECTOR | Canada | |
| Aquila Air | CNH | CHENANGO | United States | |
| Air Consul | CNU | AIR CONSUL | Spain | |
| AllCanada Express | CNX | CANEX | Canada | |
| Airtechservice | CPF | TECHSERVICE | Ukraine | |
| Air Corridor | QC | CRD | AIR CORRIDOR | Mozambique |
| Air Central | NV | CRF | AIR CENTRAL | Japan |
| Air Cruzal | CRJ | AIR CRUZAL | Angola | |
| Aerotransportes Corporativos | CRP | AEROTRANSCORP | Mexico | |
| Air Creebec | CRQ | CREE | Canada | |
| Aero Charter and Transport | CTA | CHAR-TRAN | United States | |
| Air Tenglong | CTE | TENGLONG | China | |
| Aerolíneas Centauro | CTR | CENTAURO | Mexico | |
| Aerocuahonte | CUO | CUAHONTE | Mexico | |
| Air Chathams | CV | CVA | CHATHAM | New Zealand |
| Air Marshall Islands | CW | CWM | AIR MARSHALLS | Marshall Islands |
| Australian Customs Service | CWP | COASTWATCH | Australia | |
| Air One Cityliner | CYL | CITYLINER | Italy | |
| Air Transport | CYO | COYOTE | United States | |
| AccessAir | ZA | CYD | CYCLONE | United States |
| Aerocheyenne | CYE | AEROCHEYENNE | Mexico | |
| Air Algérie | AH | DAH | AIR ALGERIE | Algeria |
| Aerovías DAP | DAP | DAP | Chile | |
| Air Niagara Express | DBA | AIR NIAGARA | Canada | |
| Aviation Defense Service | DEF | TIRPA | France | |
| Air Service Groningen | DEG | DEGGER | Netherlands | |
| Adam Air | KI | DHI | ADAM SKY | Indonesia |
| Astar Air Cargo | ER | DHL | D-H-L | United States |
| Archer Aviation | DHM | ARCHER | United Kingdom | |
| Aeromedica | DIC | AEROMEDICA | Mexico | |
| Aerodin | DIN | AERODIN | Mexico | |
| Antinea Airlines | HO | DJA | ANTINEA | Algeria |
| Air Djibouti | DJU | AIR DJIB | Djibouti | |
| Air Dolomiti | EN | DLA | DOLOMITI | Italy |
| Aero Modelo | DLS | AEROMODELO | Mexico | |
| Aerolíneas del Sur | DLU | DEL SUR | Chile | |
| Aerodinamica de Monterrey | DMC | DINAMICAMONT | Mexico | |
| Aeroservicios Dinamicos | DMI | AERODINAMICO | Mexico | |
| Aerotaxis Dosmil | DML | Mexico | ||
| Aerodespachos de El Salvador | DNA | AERODESPACHOS | El Salvador | |
| Aerodynamics Málaga | DNC | FLYINGOLIVE | Spain | |
| Aerodynamics Incorporated | DNJ | DYNAJET | United States | |
| Air Madrid | NM | DRD | ALADA AIR | Spain |
| Airways Flight Training | DRM | DARTMOOR | United Kingdom | |
| Aeronaves Del Noreste | DRO | AERONORESTE | Mexico | |
| Addis Air Cargo Services | DSC | ADDIS CARGO | Ethiopia | |
| Aero Algarve | DSK | SKYBANNER | Portugal | |
| Aex Air | DST | DESERT | United States | |
| Aero Davinci International | DVI | AERO DAVINCI | Mexico | |
| Aero Dynamics | DYN | AERO DYNAMIC | United States | |
| Aeroservicios Ecuatorianos | EAE | AECA | Ecuador | |
| Aero-Pyrenees | EAP | AERO-PYRENEES | France | |
| Air Transport | EAT | TRANS EUROPE | Slovakia | |
| Aero Airlines | EE | EAY | REVAL | Estonia |
| Aero Ejecutivo De Baja California | EBC | CALIXJET | Mexico | |
| Air City | 4F | ECE | AIRCITY | Germany |
| Aero Ejecutivos RCG | ECG | EJECTUIVOS RCG | Mexico | |
| Aeronáutica Castellana | ECL | AERO CASTELLANA | Spain | |
| Aerolíneas Comerciales | ECM | AERO COMERCIALES | Mexico | |
| Aerolineas Nacionales Del Ecuador | EDA | ANDES | Ecuador | |
| Air Este | EET | AESTE | Spain | |
| Air Mana | EFC | FLIGHT TAXI | France | |
| Aer Lingus | EI | EIN | SHAMROCK | Ireland |
| Aeroservicios Ejecutivos Corporativos | EJP | EJECCORPORATIVOS | Mexico | |
| Alpi Eagles | E8 | ELG | ALPI EAGLES | Italy |
| Arrendadora y Transportadora Aérea | END | ARRENDADORA | Mexico | |
| Aeronaves Del Noroeste | ENW | AERONOR | Spain | |
| Airailes | EOL | EOLE | France | |
| Aero Ermes | EOM | AERO ERMES | Mexico | |
| Aero Transportes Empresariales | EPL | EMPRESARIALES | Mexico | |
| Aero Empresarial | EPE | AEROEMPRESARIAL | Mexico | |
| Air São Tomé and Príncipe | KY | EQL | EQUATORIAL | São Tomé and Príncipe |
| Avianergo | ERG | AVIANERGO | Russia | |
| Aero Servicios Regiomontanos | ERI | ASERGIO | Mexico | |
| Aerosec | ERK | AEROSEC | Chile | |
| Aeromaan | ERM | EOMAAN | Mexico | |
| Aereosaba | ESB | AEREOSABA | Mexico | |
| Avitat | ESO | United Kingdom | ||
| Aerolíneas Ejecutivas Del Sureste | ESU | ALESUR | Mexico | |
| Aeronáutica La Esperanza | ESZ | ESPERANZA | Mexico | |
| Aero Siete | ETE | AEROSIETE | Mexico | |
| Air Atlanta Europe | EUK | SNOWBIRD | United Kingdom | |
| Air Evex | EVE | SUNBEAM | Germany | |
| Aeronautical Academy of Europe | EVR | DIANA | Portugal | |
| Eurowings Europe | EWE | Austria | ||
| Air Exchange | EXG | EXCHANGE | United States | |
| Atlantic Helicopters | FAC | FAROECOPTER | Denmark | |
| Argentine Air Force | FAG | FUAER | Argentina | |
| Air Fiji | PC | FAJ | FIJIAIR | Fiji |
| AF-Air International | FAN | FANBIRD | Angola | |
| Aviation Data Systems | FBW | United States | ||
| Air Carriers | FCI | FAST CHECK | United States | |
| Aerofrisco | FCO | AEROFRISCO | Mexico | |
| Alfa 4 | FCU | Mexico | ||
| African Airlines | FDA | AIR SANKORE | Mali | |
| African Medical and Research Foundation | FDS | FLYDOC | Kenya | |
| Aero Freight | FGT | FREIAERO | Mexico | |
| Aerosafin | FIC | AEROSAFIN | Mexico | |
| Air Finland | OF | FIF | AIR FINLAND | Finland |
| Aerodata Flight Inspection | FII | FLIGHT CHECKER | Germany | |
| Airfix Aviation | FIX | AIRFIX | Finland | |
| Fiji Airways | FJ | FJI | PACIFIC | Fiji |
| Air Falcon | FLD | Pakistan | ||
| Atlantic Airways | RC | FLI | FAROELINE | Faroe Islands |
| Aero Leasing | QH | FLZ | AIR FLORIDA | United States |
| Air Fret De Mauritanie | FMT | Mauritania | ||
| Avio Nord | FNM | Italy | ||
| Aeroflota Del Noroeste | FNO | RIAZOR | Spain | |
| Aero Fenix | FNX | AERO FENIX | France | |
| African Company Airlines | FPY | AFRICOMPANY | Democratic Republic of the Congo | |
| Afrijet Airlines | FRJ | AFRIJET | Nigeria | |
| Afrika Aviation Handlers | FRK | AFRIFAST | Kenya | |
| Afrique Chart air | FRQ | CHARTER AFRIQUE | Cameroon | |
| Aerofreight Airlines | FRT | Russia | ||
| Aeros Limited | FST | FAST TRACK | United Kingdom | |
| Air Affaires Tchad | FTC | AFFAIRES TCHAD | Chad | |
| ABC Bedarfsflug | FTY | FLY TYROL | Austria | |
| Air Iceland | NY | FXI | FAXI | Iceland |
| Air Philippines | 2P | GAP | ORIENT PACIFIC | Philippines |
| Aerogaucho | GAU | AEROGAUCHO | Uruguay | |
| Aeronor | GBJ | AEROCARTO | Spain | |
| Aerogem Cargo | GCK | AEROGEM | Ghana | |
| Aerovías del Golfo | GFO | AEROVIAS GOLFO | Mexico | |
| Aeronáutica | GGL | GIRA GLOBO | Angola | |
| Air Georgian | ZX | GGN | GEORGIAN | Canada |
| Aviance | GHL | HANDLING | United Kingdom | |
| Air Ghana | GHN | AIR GHANA | Ghana | |
| African International Transport | GIL | AFRICAN TRANSPORT | Guinea | |
| Air Guinee Express | 2U | GIP | FUTURE EXPRESS | Guinea |
| Africa Airlines | GIZ | AFRILENS | Guinea | |
| Air Gemini | GLL | TWINS | Angola | |
| Aero Charter | GLT | GASLIGHT | United States | |
| Aguilas Mayas Internacional | GME | MAYAN EAGLES | Guatemala | |
| Aerotaxis Guamuchil | GMM | AEROGUAMUCHIL | Mexico | |
| Aeroservicios Gama | GMS | SERVICIOS GAMA | Mexico | |
| Amber Air | 0A | GNT | GINTA | Lithuania |
| Alberta Government | GOA | ALBERTA | Canada | |
| Air Scotland | GRE | GREECE AIRWAYS | Greece | |
| Air Georgia | DA | GRG | AIR GEORGIA | Georgia |
| Air Cargo Center | GRI | São Tomé and Príncipe | ||
| Air Greenland | GL | GRL | GREENLAND | Denmark |
| Allegro | LL | GRO | ALLEGRO | Mexico |
| Agroar - Trabalhos Aéreos | GRR | AGROAR | Portugal | |
| Aircompany Grodno | GRX | GRODNO | Belarus | |
| Airlift Alaska | GSP | GREEN SPEED | United States | |
| Agrocentr-Avia | GSV | AGRAV | Kazakhstan | |
| Altin Havayolu Tasimaciligi Turizm Ve Ticaret | GTC | GOLDEN WINGS | Turkey | |
| Atlas Air | 5Y | GTI | GIANT | United States |
| Aerotaxi Grupo Tampico | GTP | GRUPOTAMPICO | Mexico | |
| Aerotaxis de Aguascalientes | GUA | AGUASCALIENTES | Mexico | |
| Air Guyane | GG | GUY | GREEN BIRD | French Guiana |
| Air Victoria Georgia | GVI | IRINA | Georgia | |
| Air d Ayiti | H9 | HAD | HAITI AVIA | Haiti |
| Air Comores International | GG | HAH | AIR COMORES | Comoros |
| Air Taxi | HAT | TAXI BIRD | France | |
| Aerohein | HEI | AEROHEIN | Chile | |
| Atlantic Air Lift | HGH | HIGHER | France | |
| Aviación Ejecutiva De Hildago | HID | EJECUTIVA HIDALGO | Mexico | |
| Air Haiti | HJA | AIRHAITI | Haiti | |
| Air Holland | HD | HLN | ORANGE | Netherlands |
| Al Rais Cargo | HJT | AL-RAIS CARGO | United Arab Emirates | |
| Air-Invest | HKH | HAWKHUNGARY | Hungary | |
| Air Tahoma | HMA | TAHOMA | United States | |
| Air Nova | HMT | HAMILTON | United Kingdom | |
| Aero Homex | HOM | AERO HOMEX | Mexico | |
| Almiron Aviation | HPO | ALMIRON | Uganda | |
| Avinor | HQO | Norway | ||
| Airlink Airways | HYR | HIGHFLYER | Ireland | |
| Air Horizon | 8C | HZT | HORIZON TOGO | Togo |
| AC Insat-Aero | IAE | Russia | ||
| Air Inter Cameroun | ICM | INTER-CAMEROUN | Cameroon | |
| Air Lift | IFI | HELLAS LIFT | Greece | |
| Aero Survey | IKM | EASY SHUTTLE | Ghana | |
| Aero Airline | ILK | ILEK | Kazakhstan | |
| Airtime Charters | IME | AIRTIME | United Kingdom | |
| Aerotaxis Cimarron | IMN | TAXI CIMARRON | Mexico | |
| Aero Internacional | INA | AERO-NACIONAL | Mexico | |
| Aeroingenieria | ING | AEROINGE | Chile | |
| Aeroservicios Intergrados de Norte | INO | INTENOR | Mexico | |
| Airpull Aviation | IPL | IPULL | Spain | |
| Arvand Airlines | IRD | ARVAND | Iran | |
| Atlas Aviation Group | IRH | ATLAS AVIA | Iran | |
| Aram Airline | IRW | ARAM | Iran | |
| Aria Tour | IRX | ARIA | Iran | |
| Aerotaxi S.R.O. | ITE | AEROTAXI | Czech Republic | |
| Avita-Servicos Aéreos | ITF | AIR AVITA | Angola | |
| Aero Citro | ITO | AERO CITRO | Mexico | |
| Air Executive | IVE | COMPANY EXEC | Spain | |
| Aviainvest | IWS | Russia | ||
| Air Bagan | W9 | JAB | AIR BAGAN | Myanmar |
| Aerojal | JAD | AEROJAL | Mexico | |
| Airlink | JAR | AIRLINK | Austria | |
| Ambjek Air Services | JEE | AMBJEK AIR | Nigeria | |
| Avfinity | UTX | United States | ||
| Alexandair | JMR | ALEXANDAIR | Canada | |
| Air Jamaica Express | JMX | JAMAICA EXPRESS | Jamaica | |
| Air Swift Aviation | JOA | Australia | ||
| Aerojobeni | JOB | JOBENI | Mexico | |
| Atyrau Air Ways | IP | JOL | EDIL | Kazakhstan |
| Aerosmith Aviation | JPR | JASPER | United States | |
| Arrendamiento de Aviones Jets | JTS | AVIONESJETS | Mexico | |
| Aero Juarez | JUA | JUAREZ | Mexico | |
| Air Canada Jazz | QK | JZA | JAZZ | Canada |
| Asia Aero Survey and Consulting Engineers | KAA | AASCO | Republic of Korea | |
| Air Kirovograd | KAD | AIR KIROVOGRAD | Ukraine | |
| Air Mach | KAM | ICO-AIR | Italy | |
| Air Kufra | KAV | AIRKUFRA | Libya | |
| Arkhabay | KEK | ARKHABAY | Kazakhstan | |
| Aero Charter Krifka | KFK | KRIFKA AIR | Austria | |
| Air Kraft Mir | KFT | AIR KRAFT MIR | Uzbekistan | |
| Air Concorde | KGD | CONCORDE AIR | Bulgaria | |
| Alexandria Airlines | KHH | Egypt | ||
| Afit | KIE | TWEETY | Germany | |
| Air South | KKB | KHAKI BLUE | United States | |
| Atlasjet | KK | KKK | ATLASJET | Turkey |
| Air Mali International | KLB | TRANS MALI | Mali | |
| Aerokaluz | KLZ | AEROKALUZ | Mexico | |
| Air Koryo | JS | KOR | AIR KORYO | Democratic People s Republic of Korea |
| Araiavia | KOY | ALEKS | Kazakhstan | |
| AeroSucre | KRE | AEROSUCRE | Colombia | |
| Air Kokshetau | KRT | KOKTA | Kazakhstan | |
| Air Kissari | KSI | KISSARI | Angola | |
| Aeronavigaciya | KTN | AERONAVIGACIYA | Ukraine | |
| Alliance Avia | KVR | KAVAIR | Kazakhstan | |
| Av Atlantic | KYC | DOLPHIN | United States | |
| Air Astana | KC | KZR | ASTANALINE | Kazakhstan |
| Aviation Legacy | LAG | AVILEG | Gambia | |
| Aerovías De Lagos | AEROLAGOS | Mexico | ||
| Albanian Airlines | LV | LBC | ALBANIAN | Albania |
| Albisa | LBI | ALBISA | Mexico | |
| Albatros Airways | LBW | ALBANWAYS | Albania | |
| Aerolíneas Aéreas Ejecutivas De Durango | LDG | DURANGO | Mexico | |
| Aerologic | 3S | BOX | GERMAN CARGO | Germany |
| Al-Donas Airlines | LDN | ALDONAS AIR | Nigeria | |
| Aero Lider | LDR | AEROLIDER | Mexico | |
| Aleem | LEM | Egypt | ||
| Aerolíneas Ejecutivas | LET | MEXEJECUTIV | Mexico | |
| Air Alfa | LFA | Turkey | ||
| Aero Control Air | LFC | LIFE FLIGHT CANADA | Canada | |
| Aerolaguna | LGN | AEROLAGUNA | Mexico | |
| Al Ahram Aviation | LHR | AL AHRAM | Egypt | |
| Alidaunia | D4 | LID | ALIDA | Italy |
| Al-Dawood Air | LIE | AL-DAWOOD AIR | Nigeria | |
| American Aviation | LKP | LAKE POWELL | United States | |
| Airlink Solutions | LKS | AIRLIN | Spain | |
| Air Solutions | LKY | LUCKY | United States | |
| Alliance Air | 9I | LLR | ALLIED | India |
| Aerolima | LMA | AEROLIMA | Mexico | |
| Alamia Air | LML | ALAMIA AIR | Libya | |
| Air Plus Argentina | LMP | AIR FLIGHT | Argentina | |
| Almaty Aviation | LMT | ALMATY | Kazakhstan | |
| Aerolíneas Mexicanas J S | LMX | LINEAS MEXICANAS | Mexico | |
| Air Almaty | LMY | AGLEB | Kazakhstan | |
| Air Almaty ZK | LMZ | ALUNK | Kazakhstan | |
| Aerolane | XL | LNE | AEROLANE | Ecuador |
| Airlink | LNK | LINK | South Africa | |
| Aerolíneas Internacionales | LNT | LINEAINT | Mexico | |
| Alok Air | LOK | ALOK AIR | Sudan | |
| Air Saint Louis | LOU | AIR SAINTLOUIS | Senegal | |
| Alpine Aviation | LPC | NETSTAR | South Africa | |
| Air Alps Aviation | A6 | LPV | ALPAV | Austria |
| Alrosa-Avia | LRO | ALROSA | Russia | |
| Al Rida Airways | LRW | AL RIDA | Mauritania | |
| Aurela | LSK | AURELA | Lithuania | |
| Aerobusinessservice | LSM | Russia | ||
| Alsair | LSR | ALSAIR | France | |
| Aerotaxis Latinoamericanos | LTI | LATINO | Mexico | |
| Albinati Aeronautics | LUC | ALBINATI | Switzerland | |
| Atlantis European Airways | TD | LUR | Armenia | |
| Aliven | LVN | ALIVEN | Italy | |
| Aviavilsa | LVR | AVIAVILSA | Lithuania | |
| Air Luxor GB | L8 | LXG | LUXOR GOLF | Guinea-Bissau |
| Air Luxor | LK | LXR | AIRLUXOR | Portugal |
| Apatas Air | LYT | APATAS | Lithuania | |
| Air Ban | LZP | DOC AIR | Bulgaria | |
| Air Lazur | LZR | LAZUR BEE-GEE | Bulgaria | |
| Aeródromo De La Mancha | MAM | AEROMAN | Spain | |
| Air Mauritius | MK | MAU | AIRMAURITIUS | Mauritius |
| Avag Air | MBA | AVAG AIR | Austria | |
| Air Manas | MBB | AIR MANAS | Kyrgyzstan | |
| Airjet Exploracao Aerea de Carga | MBC | MABECO | Angola | |
| Aeriantur-M | MBV | AEREM | Moldova | |
| Air Mercia | MCB | WESTMID | United Kingdom | |
| Air Medical | MCD | AIR MED | United Kingdom | |
| Aerolíneas Marcos | MCO | MARCOS | Mexico | |
| Atlantic Aero and Mid-Atlantic Freight | MDC | NIGHT SHIP | United States | |
| Air Madagascar | MD | MDG | AIR MADAGASCAR | Madagascar |
| Aerosud Charter | MDX | MEDAIR | South Africa | |
| Air Meridan | MEF | EMPENNAGE | Nigeria | |
| Aero McFly | MFL | MCFLY | Mexico | |
| Asia Pacific Airlines | MGE | MAGELLAN | United States | |
| Aeromagar | MGS | AEROMAGAR | Mexico | |
| Aero Premier De Mexico | MIE | AEROPREMIER | Mexico | |
| Air Moldova | 9U | MLD | AIR MOLDOVA | Moldova |
| Amal Airlines | MLF | AMAL | Djibouti | |
| Air Mali | L9 | MLI | AIR MALI | Mali |
| Air Madeleine | MLN | AIR MADELEINE | Canada | |
| Aermarche | MMC | AERMARCHE | Italy | |
| Air Alsie | MMD | MERMAID | Denmark | |
| Aviation Company Meridian | MMM | AVIAMERIDIAN | Russia | |
| AMP Incorporated | MMP | AMP-INC | United States | |
| Airmax | MMX | PERUMAX | Peru | |
| Aerolíneas Amanecer | MNE | AEROAMANECER | Mexico | |
| Aero Mongolia | MNG | AERO MONGOLIA | Mongolia | |
| Air Monarch Cargo | MOC | MONARCH CARGO | Mexico | |
| Aeropublicitaria De Angola | MOP | PUBLICITARIA | Angola | |
| Aerolíneas De Morelia | MOR | AEROMORELIA | Mexico | |
| Air Plus Comet | A7 | MPD | RED COMET | Spain |
| Aeromexpress | QO | MPX | AEROMEXPRESS | Mexico |
| Air ITM | MQT | MUSKETEER | France | |
| Aeromorelos | MRL | AEROMORELOS | Mexico | |
| Aerocharter | MRM | MARITIME | Canada | |
| Abas | MRP | ABAS | Czech Republic | |
| Air Mauritanie | MR | MRT | MIKE ROMEO | Mauritania |
| Air Cairo | MSC | Egypt | ||
| Air Sport | MSK | AIR SPORT | Bulgaria | |
| Aeromas | MSM | AEROMAS EXPRESS | Uruguay | |
| Aerolíneas Mesoamericanas | MSO | MESO AMERICANAS | Mexico | |
| Aero-Kamov | MSV | AERAFKAM | Russia | |
| Aerotaxis Metropolitanos | MTB | AEROMETROPOLIS | Mexico | |
| Aeromet Línea Aérea | MTE | AEROMET | Chile | |
| Air Metack | MTK | AIRMETACK | Angola | |
| Air Montegomery | MTY | MONTY | United Kingdom | |
| Aerotaxi Mexicano | MXO | MAXAERO | Mexico | |
| Aero Yaqui Mayo | MYS | AERO YAQUI | Mexico | |
| AVC Airlines | MZK | Japan | ||
| Aerovías Montes Azules | MZL | MONTES AZULES | Mexico | |
| Aeroland Airways | 3S* | AEN | Greece | |
| Amtrak | 2V* | United States | ||
| Astair | 8D* | SUW | Russian Federation | |
| Albarka Air | F4 | NBK | AL-AIR | Nigeria |
| ACA-Ancargo Air Sociedade de Transporte de Carga Lda | NCL | ANCARGO AIR | Angola | |
| Aero Servicios de Nuevo Laredo | NEL | AEROLAREDO | Mexico | |
| Angoavia | NGV | ANGOAVIA | Angola | |
| Aeroni | NID | AERONI | Mexico | |
| Aeroejecutiva Nieto | NIE | AERONIETO | Mexico | |
| Aero Contractors | AJ | NIG | AEROLINE | Nigeria |
| Aerokuzbass | NKZ | NOVOKUZNETSK | Russia | |
| Atlantic Richfield Company | NRS | NORTH SLOPE | United States | |
| Aerolíneas Sosa | NSO | SOSA | Honduras | |
| Aero Norte | NTD | Mexico | ||
| Air Inter Ivoire | NTV | INTER-IVOIRE | Ivory Coast | |
| Aeroservicios De Nuevo Leon | NUL | SERVICIOS NUEVOLEON | Mexico | |
| Avial NV | NVI | NEW AVIAL | Russia | |
| Airwing | NWG | NORWING | Norway | |
| Air Next | NXA | BLUE-DOLPHIN | Japan | |
| Arkhangelsk 2 Aviation Division | OAO | DVINA | Russia | |
| Aerogisa | OGI | AEROGISA | Mexico | |
| Aerolíneas Olve | OLV | OLVE | Mexico | |
| Aeromega | OMG | OMEGA | United Kingdom | |
| Air One Nine | ONR | EDER | Libya | |
| Air Ontario | ONT | ONTARIO | Canada | |
| Aerocorp | ORP | CORPSA | Mexico | |
| Action Air | ORS | AVIATION SERVICE | Italy | |
| Aerosan | OSN | AEROSAN | Mexico | |
| Aviapartner Limited Company | OSO | Russia | ||
| Aliparma | PAJ | ALIPARMA | Italy | |
| Air Parabet | PBT | PARABET | Bangladesh | |
| Air Burundi | 8Y | PBU | AIR-BURUNDI | Burundi |
| Aeropostal Cargo de Mexico | PCG | POSTAL CARGO | Mexico | |
| Air Pack Express | PCK | AIRPACK EXPRESS | Spain | |
| Air Palace | PCS | AIR PALACE | Mexico | |
| Aeropelican Air Services | OT | PEL | PELICAN | Australia |
| Peoples Vienna Line | PEV | PEOPLES | Austria | |
| Aerolíneas Chihuahua | PFI | PACIFICO CHIHUAHUA | Mexico | |
| Air Cargo Express International | PFT | PROFREIGHT | United States | |
| Al Farana Airline | PHR | PHARAOH | Egypt | |
| Ave.com | PHW | PHOENIX SHARJAH | United Arab Emirates | |
| Air South West | PIE | PIRATE | United Kingdom | |
| Aeroservicios California Pacifico | PIF | AEROCALPA | Mexico | |
| Aero Personal | PKA | AEROPERSONAL | Mexico | |
| Aero Servicios Platinum | PNU | AERO PLATINUM | Mexico | |
| Apoyo Aéreo | POY | APOYO AEREO | Mexico | |
| Aerotransportes Privados | PRI | AEROPRIV | Mexico | |
| Atlantic Coast Jet | PRT | PATRIOT | United States | |
| Air Paradise International | AD | PRZ | RADISAIR | Indonesia |
| Aeroservicio Sipse | PSE | SIPSE | Mexico | |
| Aeroservicios Corporativos De San Luis | PSL | CORSAN | Mexico | |
| Aerotransportes Privados | PVA | TRANSPRIVADO | Mexico | |
| Aéreo Taxi Paraza | PZA | AEREO PARAZA | Mexico | |
| Air Class Líneas Aéreas | QD | QCL | ACLA | Uruguay |
| Aviation Consultancy Office | QEA | Australia | ||
| Aero Taxi | QAT | AIR QUASAR | Canada | |
| Aero Taxi Aviation | QKC | QUAKER CITY | United States | |
| Aviation Quebec Labrador | QLA | QUEBEC LABRADOR | Canada | |
| African Safari Airways | QS | QSC | ZEBRA | Kenya |
| Aero Quimmco | QUI | QUIMMCO | Mexico | |
| Alada | RAD | AIR ALADA | Angola | |
| Aerotur Air | RAI | DIASA | Kazakhstan | |
| Air Center Helicopters | RAP | RAPTOR | United States | |
| Aur Rum Benin | RBE | RUM BENIN | Benin | |
| Aeroserivios Del Bajio | RBJ | AEROBAJIO | Mexico | |
| Airbus France | 4Y | RBU | AIRBUS FRANCE | France |
| Air Roberval | RBV | AIR ROBERVAL | Canada | |
| Aruba Airlines |
AG |
ARU | ARUBA | Aruba |
| Air Charters Eelde | RCC | RACER | Netherlands | |
| Aerocer | RCE | AEROCER | Mexico | |
| Aeroflot-Cargo | RCF | AEROFLOT-CARGO | Russia | |
| Air Mobility Command | MC | RCH | REACH | United States |
| Air Cassai | RCI | AIR CASSAI | Angola | |
| Aero Renta De Coahuila | RCO | AEROCOAHUILA | Mexico | |
| Aerocorp | RCP | AEROCORPSA | Mexico | |
| Aerolíneas Regionales | RCQ | REGIONAL CARGO | Mexico | |
| Atlantic S.L. | RCU | AIR COURIER | Spain | |
| Air Service Center | RCX | SERVICE CENTER | Italy | |
| Adygeya Airlines | RDD | ADLINES | Russia | |
| Air Ada | RDM | AIR ADA | Mauritania | |
| Aer Arann | RE | REA | AER ARANN | Ireland |
| Aero-Rent | REN | AERORENT | Mexico | |
| Australian Maritime Safety Authority | RES | RESCUE | Australia | |
| Air Austral | UU | REU | REUNION | France |
| Aero-Rey | REY | AEROREY | Mexico | |
| Aero Africa | RFC | AERO AFRICA | Swaziland | |
| Amaszonas Paraguay | ZP | AZP | GUARANI | Paraguay |
| Aerotransportes Rafilher | RFD | RAFHILER | Mexico | |
| Argo | RGO | ARGOS | Dominican Republic | |
| Airbourne School of Flying | RGT | AIRGOAT | United Kingdom | |
| Air Archipels | RHL | ARCHIPELS | France | |
| Aviation Ministry of the Interior of the Russian Federation | RIF | INTERMIN AVIA | Russian Federation | |
| Aeris Gestión | RIS | AERIS | Spain | |
| Asian Spirit | 6K | RIT | ASIAN SPIRIT | Philippines |
| Aeroservicios Jet | RJS | ASERJET | Mexico | |
| Air Afrique | RKA | AIRAFRIC | Ivory Coast | |
| Airlinair | A5 | RLA | AIRLINAIR | France |
| Air Nelson | RLK | New Zealand | ||
| Air Leone | RLL | AEROLEONE | Sierra Leone | |
| Aero Lanka | QL | RLN | AERO LANKA | Sri Lanka |
| Air Alize | RLZ | ALIZE | France | |
| Air Amder | RMD | AIR AMDER | Mauritania | |
| Armenian Airlines | R3 | RME | ARMENIAN | Armenia |
| Air Mediterranean | MV | RML | HELLASMED | Greece |
| Arm-Aero | RMO | ARM-AERO | Armenia | |
| Air Max | RMX | AEROMAX | Bulgaria | |
| Air Salone | 2O | RNE | AIR SALONE | Sierra Leone |
| Aeronem Air Cargo | RNM | AEROMNEM | Ecuador | |
| Air Cargo Masters | RNR | RUNNER | United States | |
| Armavia | U8 | RNV | ARMAVIA | Armenia |
| Aeroeste | ROE | ESTE-BOLIVIA | Bolivia | |
| Aero Gen | ROH | AEROGEN | Mexico | |
| Avior Airlines | ROI | AVIOR | Venezuela | |
| Aeroel Airways | ROL | AEROEL | Israel | |
| Aeromar Lineas Aereas Dominicanas | BQ | ROM | BRAVO QUEBEC | Dominican Republic |
| Aeroitalia | ROO | AEROITALIA | Italy | |
| Aerodan | ROD | AERODAN | Mexico | |
| AeroRepública | P5 | RPB | AEROREPUBLICA | Colombia |
| Aerolíneas Del Pacífico | RPC | AEROPACSA | Ecuador | |
| Aero Roca | RRC | AEROROCA | Mexico | |
| Aerotransportes Internacionales De Torreon | RRE | AERO TORREON | Mexico | |
| Acvila Air-Romanian Carrier | RRM | AIR ROMANIA | Romania | |
| Aerolíneas Ejecutivas Tarascas | RSC | TARASCAS | Mexico | |
| Aero-Service | BF | RSR | CONGOSERV | Republic of the Congo |
| AeroSur | 5L | RSU | AEROSUR | Bolivia |
| Aeronorte | RTE | LUZAVIA | Portugal | |
| Artis | RTH | ARTHELICO | France | |
| Arhabaev Tourism Airlines | RTO | ARTOAIR | Kazakhstan | |
| Air Turquoise | RTQ | TURQUOISE | France | |
| Aerotucan | RTU | AEROTUCAN | Mexico | |
| Air Anastasia | RUD | ANASTASIA | Ukraine | |
| Air Rum | RUM | AIR RUM | Sierra Leone | |
| ACT Havayollari | RUN | CARGO TURK | Turkey | |
| Air VIP | RVP | AEROVIP | Portugal | |
| Aircompany Veteran | RVT | AIR-VET | Armenia | |
| Alliance Express Rwanda | RWB | Rwanda | ||
| Arrow Ecuador Arrowec | RWC | ARROWEC | Ecuador | |
| Aerogroup 98 Limited | RWY | TYNWALD | United Kingdom | |
| Aeroxtra | RXT | AERO-EXTRA | Mexico | |
| Air Whitsunday | RWS | Australia | ||
| Aero Zambia | RZL | AERO ZAMBIA | Zambia | |
| Aero Zano | RZN | ZANO | Mexico | |
| Anoka Air Charter | RZZ | RED ZONE | United States | |
| Aerosaab | SBH | AEROSAAB | Mexico | |
| Associated Aviation | SCD | ASSOCIATED | Nigeria | |
| American Jet International | SCM | SCREAMER | United States | |
| Air Santo Domingo | EX | SDO | AERO DOMINGO | Dominican Republic |
| Aero Sudpacifico | SDP | SUDPACIFICO | Mexico | |
| Aero Servicios Ejecutivas Del Pacifico | SEF | SERVIPACIFICO | Mexico | |
| Aero California | JR | SER | AEROCALIFORNIA | Mexico |
| Aerosegovia | SGV | SEGOVIA | Nicaragua | |
| Airshare Holdings | SHH | AIRSHARE | United Kingdom | |
| Aerosiyusa | SIY | SIYUSA | Mexico | |
| Aero Silza | SIZ | AEROSILZA | Mexico | |
| Air San Juan | SJN | SAN JUAN | United States | |
| Aero-North Aviation Services | SKP | SKIPPER | Canada | |
| Aero Sami | SMI | SAMI | Mexico | |
| Avient Aviation | Z3 | SMJ | AVAVIA | Zimbabwe |
| Aerolíneas Sol | SOD | ALSOL | Mexico | |
| Air Soleil | SOE | AIR SOLEIL | Mauritania | |
| Aero Soga | SOG | AEROSOGA | Guinea-Bissau | |
| Airspeed Aviation | SPD | SPEEDLINE | Canada | |
| Air Service | M3 | SPJ | AIR SKOPJE | Macedonia |
| Aeroservicios Ejecutivos Del Pacifico | SPO | EJECTUIV PACIFICO | Mexico | |
| Asian Aerospace Service | SPY | THAI SPACE | Thailand | |
| Airworld | SPZ | SPEED SERVICE | South Africa | |
| Alsaqer Aviation | SQR | ALSAQER AVIATION | Libya | |
| Air Safaris and Services | SRI | AIRSAFARI | New Zealand | |
| Aero Servicio Corporativo | SRV | SERVICORP | Mexico | |
| Air Sultan | SSL | SIERRA SULTAN | Sierra Leone | |
| Aero 1 Pro-Jet | SSM | RAPID | Canada | |
| Airquarius Air Charter | SSN | SUNSTREAM | South Africa | |
| Aeropac | STK | SAT PAK | United States | |
| Air St. Thomas | STT | PARADISE | United States | |
| Aerolíneas Del Sureste | SUE | AEROSURESTE | Mexico | |
| Aerial Surveys (1980) Limited | SUY | SURVEY | New Zealand | |
| Air Slovakia | GM | SVK | SLOVAKIA | Slovakia |
| Adler Aviation | SWH | SHOCKWAVE | Canada | |
| Aircompany Yakutia | R3 | SYL | AIR YAKUTIA | Russia |
| Aerosud Aviation | SYT | SKYTRACK | South Africa | |
| Aeroservicios de La Costa | TAA | AERO COSTA | Mexico | |
| Aeromar | VW | TAO | TRANS-AEROMAR | Mexico |
| Aerotrebol | TBL | AEROTREBOL | Mexico | |
| Aero Taxi de Los Cabos | TBO | AERO CABOS | Mexico | |
| Air Turks and Caicos | JY | TCI | KERRMONT | Turks and Caicos Islands |
| Aerotranscolombina de Carga | TCO | TRANSCOLOMBIA | Colombia | |
| Air Cargo Express | TDG | TURBO DOG | United States | |
| Atlas Helicopters | TDT | TRIDENT | United Kingdom | |
| Air Today | TDY | AIR TODAY | United States | |
| Aero Servicios Azteca | TED | AEROAZTECA | Mexico | |
| Antair | TIR | ANTAIR | Mexico | |
| Atlantique Air Assistance | TLB | TRIPLE-A | France | |
| Aereo Taxi Autlan | TLD | AEREO AUTLAN | Mexico | |
| Aero Util | TLE | AEROUTIL | Mexico | |
| Aero Toluca Internactional | TLU | AEROTOLUCA | Mexico | |
| Aero Taxi del Centro de Mexico | TME | TAXICENTRO | Mexico | |
| Aerotropical | TOC | TROPICMEX | Mexico | |
| Air Tomisko | TOH | TOMISKO CARGO | Serbia | |
| Airlines PNG | CG | TOK | BALUS | Papua New Guinea |
| Aero Tonala | TON | AEROTONALA | Mexico | |
| Aero Tropical | TPB | AERO TROPICAL | Angola | |
| Air Calédonie | TY | TPC | AIRCAL | France |
| Air Horizon | TPK | TCHAD-HORIZON | Chad | |
| Aero Taxi del Potosi | TPO | TAXI-POTOSI | Mexico | |
| Aeroturquesa | TQS | AEROTURQUESA | Mexico | |
| Airmark Aviation | TRH | TRANSTAR | United States | |
| AirTran Airways | FL | TRS | CITRUS | United States |
| Air Transat | TS | TSC | AIR TRANSAT | Canada |
| airtransse | TSQ | AIRTRA | Japan | |
| Aerolíneas Turísticas del Caribe | TTB | AERO TURISTICAS | Mexico | |
| Avcenter | TTE | TETON | United States | |
| Air Tungaru | TUN | TUNGARU | Kiribati | |
| Avialeasing Aviation Company | EC | TWN | TWINARROW | Uzbekistan |
| Aerotaxis del Noroeste | TXD | TAXI OESTE | Mexico | |
| Aerotaxis Alfe | TXF | ALFE | Mexico | |
| Aereotaxis | TXI | AEREOTAXIS | Mexico | |
| Aero Tomza | TZA | AERO TOMZA | Mexico | |
| Air Zambezi | TZT | ZAMBEZI | Zimbabwe | |
| Afra Airlines | UAG | AFRALINE | Ghana | |
| Aerostar Airlines | UAR | AEROSTAR | Ukraine | |
| Air Division of the Eastern Kazakhstan Region | UCK | GALETA | Kazakhstan | |
| Aero-Charter Ukraine | DW | UCR | CHARTER UKRAINE | Ukraine |
| Air Uganda | U7 | UGA | UGANDA | Uganda |
| Air LA | UED | AIR L-A | United States | |
| Air Ukraine | 6U | UKR | AIR UKRAINE | Ukraine |
| Air Umbria | UMB | AIR UMBRIA | Italy | |
| Atuneros Unidos de California | UND | ATUNEROS UNIDOS | Mexico | |
| AirNet Express | USC | STAR CHECK | United States | |
| Avantair | VNR | AVANTAIR | United States | |
| Aeroclub Flaps | FLP | AEROCLUB FLAPS | Spain | |
| Alrosa Air Company | 6R | DRU | MIRNY | Russia |
| Azul Linhas Aéreas Brasileiras | AD | AZU | Azul | Brazil |
| Aviacsa | 6A | CHP | AVIACSA | Mexico |
| Avia Express | JZ | SKX | SKY EXPRESS | Sweden |
| As-Aero | SRY | Armenia | ||
| Amsterdam Airlines | WD* | AAN | AMSTEL | Netherlands |
| Air Central Asia | AAT | Kyrgyzstan | ||
| Antigua and Barbuda Airways | ABI | Anair | Antigua and Barbuda | |
| African Cargo Services | ACB | AFRICARGO | Kenya | |
| Air Cargo Plus | ACH | AIR PLUS | Liberia | |
| Avicon | ACJ | AVICHARTER | Kenya | |
| Astec Air East | AAE | AIR EAST | United States | |
| Arizona Air | AAE | ARIZONA | United States | |
| Aloha Airlines | AQ | AAH | ALOHA | United States |
| Alfa Airlines | AAJ | ALFA SUDAN | Sudan | |
| Andalusair | AAN | ANDALUSAIR | Spain | |
| Astro Air International | AAP | ASTRO AIR | Philippines | |
| Arabasco Air Services | AAP | ARABASCO | Saudi Arabia | |
| Air Alliance | 3J | AAQ | LIAISON | Canada |
| Americ Air | AAR | PATRIOT | United States | |
| Airtransservice | AAS | Aviaservice | Russia | |
| Austrian Air Services | AAS | AIR SERVICES | Austria | |
| Austrian Airtransport | OB | AAT | AUSTRIAN CHARTER | Austria |
| Aly Aviation | AAV | United Kingdom | ||
| Austin Airways | AAW | AUSTIN | Canada | |
| Aberdeen Airways | SM | AAW | United Kingdom | |
| Almeta Air | AAW | ALMETA AIR | Austria | |
| Asian Air | KJ | AAZ | Kyrgyzstan | |
| Air Busan | BX | ABL | AIR BUSAN | Republic of Korea |
| Air Bridge Carriers | AK | ABR | AIRBRIDGE | United Kingdom |
| Ambeo | ABT | AMBITION | United Kingdom | |
| Arberia Airlines | ABE | ARBERIA AIRLINES | Albania | |
| Air Charter Express | ACE | Ghana | ||
| Aryan Cargo Express | YE | ACQ | India | |
| Aircraft Sales and Services | ACS | AIRCRAFT SALES | Pakistan | |
| Air Central | ABS | AIR CENTRAL | United States | |
| Ade, Aviación Deportiva | ADF | ADE AVIACION | Spain | |
| Arrendaminetos y Transportes Turisticos | ADT | ARRENDA-TRANS | Mexico | |
| Avio Delta | ADZ | Bulgaria | ||
| ADC Airways | ADW | Lebanon | ||
| Aie Experience Flight | AED | AIE EXPERIENCE | United Kingdom | |
| Aernord | AED | Aernspa | Italy | |
| Air East | AEG | AIR EAST | Slovakia | |
| Air Italy Polska | AEI | POLISH BIRD | Poland | |
| Aero Costa Rica | AEK | ACORISA | Costa Rica | |
| Aerosur Paraguay | AES | AEROPARAGUAY | Paraguay | |
| Aerotime | AET | AEROTIME | United Kingdom | |
| Africa Airways | VJ | AFF | AFRIWAYS | Benin |
| Air Four | AFM | Italy | ||
| Air Florida | QH | FLA | PALM | United States |
| Air Arabia Maroc | 3O | MAC | ARABIA MAROC | Morocco |
| Air Do | ADO | AIR DO | Japan | |
| Air Marine | MRY | AIR MARINE | France | |
| Air Pink | PNK | AIRPINK | Serbia | |
| African International Airlines | AFN | SIMBA | Lesotho | |
| Aberdair Aviation | BDV | ABERDAV | Kenya | |
| Absolute Flight Services | TTN | TITANIUM | South Africa | |
| Ace Air | ATZ | ACE TAXI | South Korea | |
| Acero Taxi | ARO | ACERO | Mexico | |
| Acropolis Aviation | CRV | ACROPOLIS | United Kingdom | |
| AD Astra Executive Charter | ADC | AD ASTRA | Poland | |
| Addis Airlines | DDS | ADDIS LINE | Ethiopia | |
| ADI Shuttle Group | TEC | TECHJET | United States | |
| Advance Air Luftfahrtgesellschaft | AXX | SKY SHUTTLE | Germany | |
| Advance Aviation | AAX | ADVANCE AVIATION | Thailand | |
| Advanced Flight Training | ADV | ADVANCED | United Kingdom | |
| Adventia | DVN | Spain | ||
| AEG Aviation Services | EBS | United States | ||
| Aeralp | ALS | AERALP | France | |
| Aerea | AEF | Spain | ||
| Aereo Dorado | DRD | AEREO DORADO | Mexico | |
| Aereo Futuro | FUT | AEREO FUTURO | Mexico | |
| Aereo Ruta Maya | MMG | RUTA MAYA | Guatemala | |
| Aereo Transportes Los Angeles de America | AGI | ANGELES AMERICA | Mexico | |
| Aereo WWG | WWG | AERO-W | Mexico | |
| Aero Clinker | AKR | AERO CLINKER | Mexico | |
| Aero Club de Castellon | RRB | Spain | ||
| Aero Corporate | ARP | IVORYCORP | Côte d Ivoire | |
| Aero Elite Acapulco | EPU | ELITACAPULCO | Mexico | |
| Aero Express | XPN | Niger | ||
| AeroJet | TEJ | Angola | ||
| Aero Service Bolivia | GHM | Bolivia | ||
| Aero Services Mali | GLM | GLOBAL MALI | Mali | |
| Aero Servicio Guerrero | GUE | AERO GUERRERO | Mexico | |
| Aero-Beta | ABA | AEROBETA | Germany | |
| Aeroaljarafe | AJH | ALJARAFE | Spain | |
| Aerocaribe Coro | AOB | CARIBE CORO | Venezuela | |
| Aerocharter | ERC | Guatemala | ||
| Aeroclub Barcelona-Sabadell | BSO | Spain | ||
| Aeroclub de Albacete | NVA | Spain | ||
| Aeroclub de Alicante | LUE | Spain | ||
| Aeroclub de Mallorca | MLL | MALLORCA | Spain | |
| Aeroclub de Vitoria | AVX | Spain | ||
| Aerocorporativos | CTD | AEROCORPORATIVOS | Mexico | |
| Aerocredo | RRO | Russia | ||
| Aerofaq | FAQ | Ecuador | ||
| Aeroflot-Plus | PLS | AEROPLUS | Russia | |
| Aerolimousine | LIN | AEROLIMOUSINE | Russia | |
| Aerolínea Principal Chile | PCP | PRINCIPAL | Chile | |
| Aerolíneas Centrales | ALT | AERLINEAS CENTRALES | Mexico | |
| Aerolíneas Damojh | DMJ | DAMOJH | Mexico | |
| Aerolíneas Hidalgo | AHL | HIDALGO | Mexico | |
| Aerologic | LDL | Russia | ||
| Aerolíneas Primordiales | APR | AEROPERLAS | Mexico | |
| Aeronautic de Los Pirineos | VSC | Spain | ||
| AIRDO | HD | ADO | AIR DO | Japan |
| Aviation West Charters | AGM | ANGEL MED | United States | |
| Avion Express | X9 | NVD | NORDVIND | Lithuania |
| The Amiri Flight | BAH | BAHRAIN | Bahrain | |
| Al Masria Universal Airlines | UJ | LMU | ALMASRIA | Egypt |
| Álamo Aviación, S.L. | AVD | ALAMO | Spain | |
| AIS Airlines | PNX | SPINNER | Netherlands | |
| Air Hamburg | AHO | AIR HAMBURG | Germany | |
| B-Air Charter | BBF | SPEEDCHARTER | Germany | |
| BB Airways | BO | BBW | BEEBEE AIRWAYS | Nepal |
| Beijing Capital Airlines | JD | CBJ | CAPITAL JET | China |
| Beijing Eofa International Jet | OUF | China | ||
| Business Aviators | OTA | OUTLAW | United States | |
| Bluewest Helicopters-Greenland | BWD | BLUEWEST | Denmark | |
| Bell Aliant Regional Communications | TBL | TELCO | Canada | |
| Beijing City International Jet | CWR | CITY WORLD | China | |
| Beijing Vistajet Aviation | BJV | BEIJING VISTA | China | |
| Brixtel Group | BHK | BRIXTEL JET | United States | |
| Bygone Aviation | BYG | BYGONE | United States | |
| Backbone A/S | BOB | BACKBONE | Denmark | |
| Batik Air | ID | BTK | BATIK | Indonesia |
| Blue Air Lines | BBJ | BLUE KOREA | South Korea | |
| Blue Jet Charters | BCJ | BLUE BOY | Poland | |
| Bun Air Corporation | BNA | BUN AIR | United States | |
| Bearing Supplies Limited | PVO | PROVOST | United Kingdom | |
| Balkan Agro Aviation | BAA | BALKAN AGRO | Bulgaria | |
| Bahrain Air BSC (Closed) | BAB | AWAL | Bahrain | |
| BAC Leasing Limited | BAC | United Kingdom | ||
| BAE Systems | BAE | FELIX | United Kingdom | |
| Belgian Air Force | BAF | BELGIAN AIRFORCE | Belgium | |
| Baker Aviation | 8Q* | BAJ | RODEO | United States |
| Blackhawk Airways | BAK | BLACKHAWK | United States | |
| Belle Air Europe | L9 | BAL | BELLEAIR EUROPE | Italy |
| Britannia Airways | BAL | BRITANNIA | United Kingdom | |
| Business Air Services | BAM | BUSINESS AIR | Canada | |
| British Antarctic Survey | BAN | PENGUIN | United Kingdom | |
| Bradly Air (Charter) Services | BAR | BRADLEY | Canada | |
| Bissau Airlines | BAU | AIR BISSAU | Guinea-Bissau | |
| Bay Aviation Ltd | BAV | BAY AIR | Bangladesh | |
| British Airways | BA | BAW | SPEEDBIRD | United Kingdom |
| Best Aero Handling Ltd | BAX | Russia | ||
| Bravo Airways | BAY | Ukraine | ||
| Bannert Air | BBA | BANAIR | Austria | |
| Biman Bangladesh Airlines | BG | BBC | BANGLADESH | Bangladesh |
| Bluebird Nordic | BO | BBD | BLUE CARGO | Iceland |
| Beibars CJSC | BBS | BEIBARS | Kazakhstan | |
| Bravo Airlines | BBV | BRAVO EUROPE | Spain | |
| Bluebird Aviation | BBZ | COBRA | Kenya | |
| BACH Flugbetriebsges | B4 | BCF | BACH | Austria |
| Blue Islands | BCI | BLUE ISLAND | United Kingdom | |
| British Caribbean Airways | BCL | United Kingdom | ||
| British Charter | BCR | BACKER | United Kingdom | |
| BCT Aviation | BCT | BOBCAT | United Kingdom | |
| Business Aviation Center | BCV | BUSINESS AVIATION | Ukraine | |
| CityJet | WX | BCY | CITY JET | Ireland |
| Blue Dart Aviation | BZ | BDA | BLUE DART | India |
| B&H Airlines | JA | BON | Air Bosna | Bosnia and Herzegovina |
| Bissau Discovery Flying Club | BDF | BISSAU DISCOVERY | Guinea-Bissau | |
| Belgian Army | AYB | BELGIAN ARMY | Belgium | |
| Badr Airlines | BDR | BADR AIR | Sudan | |
| Best Aviation Ltd | BEA | BEST AIR | Bangladesh | |
| Belgorod Aviation Enterprise | BED | BELOGORYE | Russia | |
| Bar Harbor Airlines | AJC | BAR HARBOR | United States | |
| Balear Express | BEF | BALEAR EXPRESS | Spain | |
| Bel Air Helicopters | BEH | BLUECOPTER | Denmark | |
| Berkut Air | BEK | BERKUT | Kazakhstan | |
| BETA - Brazilian Express Transportes Aéreos | BET | BETA CARGO | Brazil | |
| Basler Flight Service | BFC | BASLER | United States | |
| Bear Flight | BFG | BEARFLIGHT | Sweden | |
| Buffalo Airways | J4 | BFL | BUFFALO | Canada |
| Bombardier | BFO | BOMBARDIER | Canada | |
| Burkina Airlines | BFR | BURKLINES | Burkina Faso | |
| Business Flight Sweden | BFS | BUSINESS FLIGHT | Sweden | |
| Bahrain Defence Force | BFW | SUMMAN | Bahrain | |
| BH Air | 8H | BGH | BALKAN HOLIDAYS | Bulgaria |
| British Gulf International | BGI | BRITISH GULF | São Tomé and Príncipe | |
| British Gulf International-Fez | BGK | GULF INTER | Kyrgyzstan | |
| Benin Golf Air | A8 | BGL | BENIN GOLF | Benin |
| Bugulma Air Enterprise | BGM | BUGAVIA | Russia | |
| Budget Air Bangladesh | BGR | BUDGET AIR | Bangladesh | |
| Bergen Air Transport | BGT | BERGEN AIR | Norway | |
| Buddha Air | U4 | BHA | BUDDHA AIR | Nepal |
| Balkh Airlines | BHI | SHARIF | Afghanistan | |
| Bristow Helicopters | BHL | BRISTOW | United Kingdom | |
| Bristow Helicopters Nigeria | BHN | BRISTOW HELICOPTERS | Nigeria | |
| Bhoja Airlines | BHO | BHOJA | Pakistan | |
| Belair Airlines | 4T | BHP | BELAIR | Switzerland |
| Bighorn Airways | BHR | BIGHORN AIR | United States | |
| Bahamasair | UP | BHS | BAHAMAS | Bahamas |
| Bright Air | BHT | BRIGHTAIR | Netherlands | |
| Bringer Air Cargo Taxi Aéreo | E6 | Brazil | ||
| Balkan Bulgarian Airlines | LZ | Bulgaria | ||
| BA Connect | TH | United Kingdom | ||
| Bosphorus European Airways | BHY | BOSPHORUS | Turkey | |
| Binair | BID | BINAIR | Germany | |
| Big Island Air | BIG | BIG ISLE | United States | |
| British International Helicopters | BS | BIH | BRINTEL | United Kingdom |
| Billund Air Center | BIL | BILAIR | Denmark | |
| Boise Interagency Fire Center | BIN | BISON-AIR | United States | |
| Bird Leasing | BIO | BIRD AIR | United States | |
| Bizjet Ltd | BIZ | BIZZ | United Kingdom | |
| Baja Air | BJA | BAJA AIR | Mexico | |
| Business Jet Solutions | BJC | SOLUTION | United States | |
| Bankair | B4 | BKA | BANKAIR | United States |
| BF-Lento OY | BKF | BAKERFLIGHT | Finland | |
| Blink | BKK | BLINKAIR | United Kingdom | |
| Barken International | BKJ | BARKEN JET | United States | |
| Bangkok Airways | PG | BKP | BANGKOK AIR | Thailand |
| Bukovyna | BKV | BUKOVYNA | Ukraine | |
| Blue Bird Aviation | BLB | BLUEBIRD SUDAN | Sudan | |
| Bellesavia | BLC | BELLESAVIA | Belarus | |
| Blue Line | BLE | BLUE BERRY | France | |
| Blue1 | KF | BLF | BLUEFIN | Finland |
| Belgavia | BLG | BELGAVIA | Belgium | |
| Blue Horizon Travel Club | BLH | BLUE HORIZON | United States | |
| Blue Jet | BLJ | BLUEWAY | Spain | |
| Baltic Airlines | BLL | BALTIC AIRLINES | Russia | |
| Bali International Air Service | BLN | BIAR | Indonesia | |
| Bearskin Lake Air Service | JV | BLS | BEARSKIN | Canada |
| Baltic Aviation | BLT | BALTAIR | United States | |
| Bellview Airlines | B3 | BLV | BELLVIEW AIRLINES | Nigeria |
| BMI | BD | BMA | MIDLAND | United Kingdom |
| BMI Regional | BM | BMR | MIDLAND | United Kingdom |
| British Medical Charter | BMD | BRITISH MEDICAL | United Kingdom | |
| Briggs Marine Environmental Services | BME | BRIGGS | United Kingdom | |
| Bristow Masayu Helicopters | BMH | MASAYU | Indonesia | |
| Bmibaby | WW | BMI | BABY | United Kingdom |
| Bemidji Airlines | CH | BMJ | BEMIDJI | United States |
| Bismillah Airlines | 5Z | BML | BISMILLAH | Bangladesh |
| Bowman Aviation | BMN | BOWMAN | United States | |
| BMW | BMW | BMW-FLIGHT | Germany | |
| Banco de Mexico | BMX | BANXICO | Mexico | |
| Bond Offshore Helicopters | BND | BOND | United Kingdom | |
| Benina Air | BNE | BENINA AIR | Libya | |
| BN Group Limited | BNG | VECTIS | United Kingdom | |
| Air Service Liège (ASL) | BNJ | JET BELGIUM | Belgium | |
| Blue Nile Ethiopia Trading | BNL | NILE TRADING | Ethiopia | |
| Bonair Aviation | BNR | BONAIR | Canada | |
| Bancstar | BNS | BANCSTAR | United States | |
| Bentiu Air Transport | BNT | BENTIU AIR | Sudan | |
| Benane Aviation Corporation | BNV | BENANE | Mauritania | |
| British North West Airlines | BNW | BRITISH NORTH | United Kingdom | |
| Boniair | BOA | KUMANOVO | Macedonia | |
| Bond Air Services | BOD | UGABOND | Uganda | |
| Boeing | BOE | BOEING | United States | |
| Bordaire | BOF | BORDAIR | Canada | |
| Bookajet Limited | BOO | BOOKAJET | United Kingdom | |
| Bouraq Indonesia Airlines | BO | BOU | BOURAQ | Indonesia |
| Blue Panorama Airlines | BV | BPA | BLUE PANOROMA | Italy |
| Berkhut ZK | BPK | VENERA | Kazakhstan | |
| Bundespolizei-Fliegertruppe | BPO | PIROL | Germany | |
| Budapest Aircraft Services | BPS | BASE | Hungary | |
| Bonus Aviation | BPT | BONUS | United Kingdom | |
| British Petroleum Exploration | BPX | Colombia | ||
| BRA-Transportes Aéreos | 7R | BRB | BRA-TRANSPAEREOS | Brazil |
| Brock Air Services | BRD | BROCK AIR | Canada | |
| Breeze Ltd | BRE | AVIABREEZE | Ukraine | |
| Bering Air | 8E | BRG | BERING AIR | United States |
| Briansk State Air Enterprise | BRK | BRIANSK-AVIA | Russia | |
| Branson Airlines | BRN | BRANSON | United States | |
| BASE Regional Airlines | BRO | COASTRIDER | Netherlands | |
| Brazilian Air Force | BRS | BRAZILIAN AIR FORCE | Brazil | |
| British Regional Airlines | BRT | BRITISH | United Kingdom | |
| Belavia | B2 | BRU | BELARUS AVIA | Belarus |
| Bravo Air Congo | BRV | BRAVO | Democratic Republic of the Congo | |
| Bright Aviation Services | BRW | BRIGHT SERVICES | Bulgaria | |
| Braniff International Airways | BN | BNF | Braniff | United States |
| Buffalo Express Airlines | BRX | BUFF EXPRESS | United States | |
| Burundayavia | BRY | BURAIR | Kazakhstan | |
| Bistair - Fez | BSC | BIG SHOT | Kyrgyzstan | |
| Blue Star Airlines | BSD | AIRLINES STAR | Mexico | |
| Brasair Transportes Aéreos | BSI | BRASAIR | Brazil | |
| Blue Swan Aviation | BSJ | BLUE SWAN | United Kingdom | |
| Blue Sky Aviation | BSM | Lebanon | ||
| Bissau Aero Transporte | BSS | BISSAU AIRSYSTEM | Guinea-Bissau | |
| Best Air | BST | TUNCA | Turkey | |
| Blue Sky Airways | BSW | SKY BLUE | Czech Republic | |
| Big Sky Airlines | GQ | BSY | BIG SKY | United States |
| BAL Bashkirian Airlines | V9 | BTC | BASHKIRIAN | Russia |
| Baltijas Helicopters | BTH | BALTIJAS HELICOPTERS | Latvia | |
| Baltyka | BTK | BALTYKA | Ukraine | |
| Baltia Air Lines | BQ | BTL | BALTIA | United States |
| Botir-Avia | BTR | BOTIR-AVIA | Kyrgyzstan | |
| Business Express | GAA | BIZEX | United States | |
| BT-Slavuta | BTT | BEETEE-SLAVUTA | Ukraine | |
| Batavia Air | Y6 | BTV | BATAVIA | Indonesia |
| Bristow U.S. LLC | L9 | BTZ | BRISTOW | United States |
| Bulgarian Air Charter | 1T | BUC | BULGARIAN CHARTER | Bulgaria |
| Blue Airlines | BUL | BLUE AIRLINES | Democratic Republic of the Congo | |
| Buryat Airlines Aircompany | BU | BUN | BURAL | Russia |
| Buzz Stansted | BUZ | BUZZ | United Kingdom | |
| Buffalo Airways | BVA | BUFFALO AIR | United States | |
| Bulgarian Aeronautical Centre | BVC | BULGARIAN WINGS | Bulgaria | |
| Baron Aviation Services | BVN | SHOW-ME | United States | |
| Berjaya Air | J8 | BVT | BERJAYA | Malaysia |
| Bellview Airlines, Sierra Leone | BVU | Sierra Leone | ||
| Blue Wings | QW | BWG | BLUE WINGS | Germany |
| Blue Wing Airlines | BWI | BLUE TAIL | Suriname | |
| British World Airlines | BWL | BRITWORLD | United Kingdom | |
| Bahrain Executive Air Services | BXA | BEXAIR | Bahrain | |
| Bar XH Air | BXH | PALLISER | Canada | |
| Brussels International Airlines | SN | BXI | XENIA | Belgium |
| BAX Global | 8W? | |||
| Berry Aviation | BYA | BERRY | United States | |
| Cambodia Bayon Airlines | BYC | Bayon Air | Cambodia | |
| Bylina | BYF | BYLINA | Russia | |
| Berytos Airlines | BYR | Lebanon | ||
| Bayu Indonesia Air | BYE | BAYU | Indonesia | |
| Bizair Fluggesellschaft | BZA | BERLIN BEAR | Germany | |
| Brit Air | DB | BZH | BRITAIR | France |
| Butane Buzzard Aviation Corporation | BZZ | BUZZARD | United Kingdom | |
| Business Flight Salzburg | AUJ | AUSTROJET | Austria | |
| BKS Air | CKM | COSMOS | Spain | |
| Bristol Flying Centre | CLF | CLIFTON | United Kingdom | |
| Barnes Olsen Aeroleasing | CLN | SEELINE | United Kingdom | |
| Baltimore Air Transport | CPJ | CORPJET | United States | |
| Boston-Maine Airways | E9 | CXS | CLIPPER CONNECTION | United States |
| Brussels Airlines | SN | BEL | BEE-LINE | Belgium |
| Baltimore Airways | EAH | EASTERN | United States | |
| Bond Aviation | EBA | BOND AVIATION | Italy | |
| Brazilian Army Aviation | EXB | BRAZILIAN ARMY | Brazil | |
| Business Express Delivery | EXP | EXPRESS AIR | Canada | |
| Bel Limited | FOS | Russia | ||
| Bangkok Aviation Center | HAW | THAI HAWK | Thailand | |
| Benair | HAX | SCOOP | Norway | |
| Binter Canarias | NT | IBB | BINTER | Spain |
| Bonyad Airlines | IRJ | BONYAD AIR | Iran | |
| Burundaiavia | IVR | RERUN | Kazakhstan | |
| Blue Air | 0B | BMS | BLUE MESSENGER | Romania |
| British Mediterranean Airways | KJ | LAJ | BEE MED | United Kingdom |
| Belle Air | LBY | ALBAN-BELLE | Albania | |
| Blom Geomatics | LED | SWEEPER | Norway | |
| Benin Littoral Airways | LTL | LITTORAL | Benin | |
| Bombardier Business Jet Solutions | LXJ | FLEXJET | United States | |
| Bulgaria Air | FB | LZB | FLYING BULGARIA | Bulgaria |
| Brazilian Navy Aviation | MBR | BRAZILIAN NAVY | Brazil | |
| Barents AirLink | 8N | NKF | NORDFLIGHT | Sweden |
| Belgian Navy | NYB | BELGIAN NAVY | Belgium | |
| Bakoji Airlines Services | OGJ | BAKO AIR | Nigeria | |
| Benders Air | PEB | PALEMA | Sweden | |
| Balmoral Central Contracts | PNT | PORTNET | South Africa | |
| BGB Air | POI | BOJBAN | Kazakhstan | |
| Butte Aviation | PPS | PIPESTONE | United States | |
| Bond Air Services | RHD | RED HEAD | United Kingdom | |
| Business Airfreight | RLR | RATTLER | United States | |
| BAC Express Airlines | RPX | RAPEX | United Kingdom | |
| Boscombe Down DERA | RRS | BLACKBOX | United Kingdom | |
| Business Jet Sweden | SCJ | SCANJET | Sweden | |
| British Airways Shuttle | SHT | SHUTTLE | United Kingdom | |
| British Sky Broadcasting | SKH | SKYNEWS | United Kingdom | |
| Bell Helicopter Textron | TXB | TEXTRON | Canada | |
| Buzzaway Limited | UKA | UKAY | United Kingdom | |
| Biz Jet Charter | VLX | AVOLAR | United States | |
| Blue Chip Jet | VOL | BLUE SPEED | Sweden | |
| BAE Systems | WFD | AVRO | United Kingdom | |
| BAE Systems | WTN | TARNISH | United Kingdom | |
| Baseops International | XBO | United States | ||
| Bureau Veritas | XDA | France | ||
| British Airways Santa | XMS | SANTA | United Kingdom | |
| Boskovic Air Charters | ZBA | BOSKY | Kenya | |
| Blue Sky Airlines | BLM | BLUE ARMENIA | Armenia | |
| Businesswings | JMP | JUMP RUN | Germany | |
| BA CityFlyer | CJ | CFE | FLYER | United Kingdom |
| Boliviana de Aviación | OB | BOV | BOLIVIANA | Bolivia |
| Borajet | YB | BRJ | BORA JET | Turkey |
| Caribbean Airlines | BW | BWA | CARIBBEAN AIRLINES | Trinidad and Tobago |
| Conquest Air | QAI | CHICKPEA | United States | |
| Continental Airways | CNW | Moldovoa | ||
| Croix Rouge Francais | CRF | CROIX ROUGE | France | |
| Corporate Eagle Management Services | CBH | CLUB HOUSE | United States | |
| Connect Air | CCT | CONNECT | Canada | |
| Commerce Bank | CME | COMMERCE BANK | United States | |
| Civil Aviation Authority of the Czech Republic | CAA | INSPECTOR | Czech Republic | |
| Civil Air Patrol | BKR | BOX KAR | United States | |
| Compagnie Nationale Naganagani | BFN | Burkino Faso | ||
| Civil Aviation Authority | AWX | ALLWEATHER | United Kingdom | |
| Civil Aviation Authority | BBN | BRABAZON | United Kingdom | |
| CHC Helicopters Nigeria | ATQ | COLIBRI | Nigeria | |
| Corporativo Aereo Principal | APL | AEREO PRINCIPAL | Mexico | |
| United States Air Force | AIO | AIR CHIEF | United States | |
| Christian Konig - Century Airbirds | AID | CENTURY AIRBIRD | Austria | |
| Cambridge Recurrent Training | CAMBRIDGE | United Kingdom | ||
| California Department of Forestry and Fire Protection | CALFIRE | United States | ||
| Careflight Queensland | SAMARITAN | Australia | ||
| Pawa Dominicana | 7N | PWD | Pawa Dominicana | Dominican Republic |
| Castle Air Charter | CASTLEFILM | United Kingdom | ||
| Challenges Aviation | TIGER | United Kingdom | ||
| Challenges Limited | HERITAGE | United Kingdom | ||
| Cheqair | ASTON | United Kingdom | ||
| Clacton Aero Club | CLASSIC WINGS | United Kingdom | ||
| Coral Sun Airways | CORAL SUN | Kirbati | ||
| Cowan Group | COWAN | United States | ||
| Carpatair Flight Service | SMW | SMART WINGS | Romania | |
| Cambodia Airlines | CCL | ANGKOR WAT | Cambodia | |
| Caricom Airways | CCB | DOLPHIN | Barbados | |
| China Southern Airlines Henan | CYH | YUHAO | China | |
| Chongqing Forebase General Aviation | CFB | FOREBASE | China | |
| Colt Transportes Aereos | XCA | COLT | Brazil | |
| CHC Global Operations International | GCY | HELIBIRD | United Kingdom | |
| C and M Aviation | TIP | TRANSPAC | United States | |
| C Air Jet Airlines | SRJ | SYRJET | Syrian Arab Republic | |
| C N Air | ORO | CAPRI | Spain | |
| C&M Airways | RWG | RED WING | United States | |
| C.S.P., Societe | RMU | AIR-MAUR | Mauritania | |
| Caliber Jet | CJZ | CALIBER JET | United States | |
| Cameroon Airlines Corporation | CRC | CAMAIRCO | Cameroon | |
| Common Sky | AUN | COMMON SKY | Austria | |
| Cabi | CBI | CABI | Ukraine | |
| Compagnia Aerea Italiana | CPI | AIRCAI | Italy | |
| CAL Cargo Air Lines | 5C | ICL | CAL | Israel |
| CAM Air Management | CMR | CAMEO | United Kingdom | |
| CATA Línea Aérea | CTZ | CATA | Argentina | |
| CCF Manager Airline | CCF | TOMCAT | Germany | |
| CEDTA | CED | CEDTA | Ecuador | |
| CHC Denmark | HBI | HELIBIRD | Denmark | |
| CHC Helicopter | HEM | HEMS | Australia | |
| CHC Airways | AW | SCH | SCHREINER | Netherlands |
| CHC Helikopter Service | HKS | HELIBUS | Norway | |
| CI-Tours | VCI | CI-TOURS | Ivory Coast | |
| CKC Services | CKC | United States | ||
| CM Stair | CMZ | CEE-EM STAIRS | Mauritania | |
| Centre national d études des télécommunications | CNT | KNET | France | |
| COAPA AIR | OAP | COAPA | Mexico | |
| COMAV | PDR | SPEEDSTER | Namibia | |
| CRI Helicopters Mexico | CRH | HELI-MEX | Mexico | |
| CSA Air | IRO | IRON AIR | United States | |
| CSE Aviation | CSE | OXFORD | United Kingdom | |
| CTK Network Aviation | CTQ | CITYLINK | Ghana | |
| Cabair College of Air Training | CBR | CABAIR | United Kingdom | |
| Cabo Verde Express | CVE | KABEX | Cape Verde | |
| Caernarfon Airworld | CWD | AMBASSADOR | United Kingdom | |
| Caicos Express Airways | CXE | CAICOS | Turks and Caicos Islands | |
| Cairo Air Transport Company | CCE | Egypt | ||
| Cal Gulf Aviation | CGC | CAL-GULF | São Tomé and Príncipe | |
| Cal-West Aviation | REZ | CAL AIR | United States | |
| California Air Shuttle | CSL | CALIFORNIA SHUTTLE | United States | |
| Calima Aviación | 3C | CMV | CALIMA | Spain |
| Calm Air | MO | CAV | CALM AIR | Canada |
| Camai Air | R9 | CAM | AIR CAMAI | United States |
| Cambodia Angkor Air | K6 | KHV | ANGKOR AIR | Cambodia |
| Cameroon Airlines | UY | UYC | CAM-AIR | Cameroon |
| Campania Helicopteros De Transporte | HSO | HELIASTURIAS | Spain | |
| CanJet | C6 | CJA | CANJET | Canada |
| Canada Jet Charters | PIL | PINNACLE | Canada | |
| Canadian Airlines | CP | CDN | CANADIAN | Canada |
| Canadian Coast Guard | CTG | CANADIAN COAST GUARD | Canada | |
| Canadian Eagle Aviation | HIA | HAIDA | Canada | |
| Canadian Forces | CFC | CANFORCE | Canada | |
| Canadian Global Air Ambulance | BZD | BLIZZARD | Canada | |
| Canadian Helicopters | CDN | CANADIAN | Canada | |
| Canadian Interagency Forest Fire Centre | TKR | TANKER | Canada | |
| Canadian National Telecommunications | XNC | Canada | ||
| Canadian North | 5T | MPE | EMPRESS | Canada |
| Canadian Pacific Airlines | CP | CPC | EMPRESS | Canada |
| Canadian Regional Airlines | CDR | CANADIAN REGIONAL | Canada | |
| Canadian Warplane Heritage Museum | CWH | WARPLANE HERITAGE | Canada | |
| Canadian Western Airlines | W2 | CWA | CANADIAN WESTERN | Canada |
| Canair | CWW | CANAIR | China | |
| Cancun Air | CUI | CAN-AIR | Mexico | |
| Cape Air | 9K | KAP | CAIR | United States |
| Cape Air Transport | CTO | Australia | ||
| Cape Central Airways | SEM | SEMO | United States | |
| Cape Smythe Air | CMY | CAPE SMYTHE AIR | United States | |
| Capital Air Service | CPX | CAPAIR | United States | |
| Capital Airlines | CPD | CAPITAL DELTA | Kenya | |
| Capital Airlines Limited | NCP | CAPITAL SHUTTLE | Nigeria | |
| Capital Cargo International Airlines | PT | CCI | CAPPY | United States |
| Capital City Air Carriers | CCQ | CAP CITY | United States | |
| Capital Trading Aviation | EGL | PRESTIGE | United Kingdom | |
| Capitol Air Express | CEX | CAPITOL EXPRESS | United States | |
| Capitol Wings Airline | CWZ | CAPWINGS | United States | |
| Caravan Air | VAN | CAMEL | Mauritania | |
| Cardiff Wales Flying Club | CWN | CAMBRIAN | United Kingdom | |
| Cardinal/Air Virginia | FVA | AIR VIRGINIA | United States | |
| Cardolaar | GOL | CARGOLAAR | Namibia | |
| Cards Air Services | CDI | CARDS | Philippines | |
| CareFlight | CFH | CARE FLIGHT | Australia | |
| Carga Aérea Dominicana | CDM | CARGA AEREA | Dominican Republic | |
| Carga Express Internacional | EST | CARGAINTER | Mexico | |
| Cargo 360 | GG | GGC | LONG-HAUL | United States |
| Cargo Express | MCX | MAURICARGO | Mauritania | |
| Cargo Ivoire | CRV | CARGOIV | Ivory Coast | |
| Cargo Link (Caribbean) | CLM | CARGO LINK | Barbados | |
| Cargo Logic Air | CLA | FIREBIRD | United Kingdom | |
| Cargo Three | CTW | THIRD CARGO | Panama | |
| Cargoitalia | 2G | CRG | WHITE PELICAN | Italy |
| Cargojet Airways | W8 | CJT | CARGOJET | Canada |
| Cargolux | CV | CLX | CARGOLUX | Luxembourg |
| Cargolux Italia | C8 | ICV | CARGO MED | Italy |
| Cargoman | CGM | HOTEL CHARLIE | Oman | |
| Carib Aviation | DEL | RED TAIL | Antigua and Barbuda | |
| Carib Express | BCB | WAVEBIRD | Barbados | |
| CARIBAIR | PWD | CARIBAIR | Dominican Republic | |
| Caribbean Air Cargo | DCC | CARICARGO | Barbados | |
| Caribbean Air Transport | CLT | CARIBBEAN | Netherlands | |
| Club Aerocelta de Vuelo Con Motor | CLT | Spain | ||
| Caribbean Airlines | BW | BWA | CARIBBEAN | Trinidad and Tobago |
| Caribbean Airways | IQQ | CARIBJET | Barbados | |
| Choice Airways | CSX | CHOICE AIR | United States | |
| Caribbean Express | TLC | CARIB-X | United States | |
| Caribbean Star Airlines | 8B | GFI | CARIB STAR | Antigua and Barbuda |
| Caricom Airways | CRB | CARIBBEAN COMMUTER | Suriname | |
| Caribintair | CRT | CARIBINTAIR | Haiti | |
| Carill Aviation | CVG | CARILL | United Kingdom | |
| Carpatair | V3 | KRP | CARPATAIR | Romania |
| Carranza | CRR | CARRANZA | Chile | |
| Carroll Air Service | ULS | ULSTER | United States | |
| Casement Aviation | CMT | CASEMENT | United States | |
| Casino Airline | CSO | CASAIR | United States | |
| Casper Air Service | CSP | CASPER AIR | United States | |
| Caspian Airlines | RV | CPN | CASPIAN | Iran |
| Castle Aviation | CSJ | CASTLE | United States | |
| Cat Aviation | CAZ | EUROCAT | Switzerland | |
| Catalina Flying Boats | CBT | CATALINA AIR | United States | |
| Catex | TEX | CATEX | France | |
| Cathay Dragon | KA | HDA | DRAGON | Hong Kong |
| Cathay Pacific | CX | CPA | CATHAY | Hong Kong |
| Caverton Helicopters | CJR | CAVERTON AIR | Nigeria | |
| Cayman Airways | KX | CAY | CAYMAN | Cayman Islands |
| Cebu Pacific | 5J | CEB | CEBU | Philippines |
| Cecil Aviation | CIL | CECIL | United Kingdom | |
| Cega Aviation | CEG | CEGA | United Kingdom | |
| Celtic Airways | CEC | CELTAIR | United Kingdom | |
| Celtic West | CWE | CELTIC | United Kingdom | |
| Centre d Essais en Vol | CEV | CENTEV | France | |
| Centennial Airlines | CNL | WYO-AIR | United States | |
| Cobalt Air LLC | CNS | CHRONOS | United States | |
| Center Vol | CVO | CENTERVOL | Spain | |
| Center-South | CTS | CENTER-SOUTH | Russia | |
| Centrafrican Airlines | CET | CENTRAFRICAIN | Central African Republic | |
| Central Air Express | CAX | CENTRAL EXPRESS | Democratic Republic of the Congo | |
| Central Airlines | CTL | CENTRAL COMMUTER | United States | |
| Central Airways | CNY | CENTRAL LEONE | Sierra Leone | |
| Central American Airlines | ACN | AEROCENTRO | Nicaragua | |
| Central Aviation | YOG | YOGAN AIR | United States | |
| Central De Discos De Reynosa | DRN | DISCOS REYNOSA | Mexico | |
| Central European Airlines | CMA | EUROCENTRAL | Czech Republic | |
| Central Flying Service | CHA | CHARTER CENTRAL | United States | |
| Central Mongolia Airways | CEM | CENTRAL MONGOLIA | Mongolia | |
| Central Mountain Air | 9M | GLR | GLACIER | Canada |
| Central Queensland Aviation College | CQC | Australia | ||
| Central Skyport | CSI | SKYPORT | United States | |
| Centralwings | CLW | CENTRALWINGS | Poland | |
| Centre Airlines | DTV | DUTCH VALLEY | United States | |
| Centre of Applied Geodynamica | CGS | GEO CENTRE | Russia | |
| Centre-Avia | J7 | CVC | AVIACENTRE | Russia |
| Centro De Helicopteros Corporativos | CCV | HELICORPORATIVO | Mexico | |
| Centro de Formación Aeronáutica de Canarias | ACF | FORCAN | Spain | |
| Centurion Air Cargo | WE | CWC | CHALLENGE CARGO | United States |
| Century Aviation | URY | CENTURY AVIA | Mexico | |
| Century Aviation International | HAI | Canada | ||
| Certified Air Dispatch | XAD | United States | ||
| Cetraca Aviation Service | CER | CETRACA | Democratic Republic of the Congo | |
| Chabahar Airlines | IRU | CHABAHAR | Iran | |
| Chalair Aviation | CLG | CHALLAIR | France | |
| Chalk s International Airlines | OP | CHK | CHALKS | United States |
| Challenge Air Transport | CLS | AIRISTO | Germany | |
| Challenge Aviation | CHS | CHALLENGE AVIATION | Australia | |
| Challenge International Airlines | OFF | CHALLENGE AIR | United States | |
| Challenge Aero | CHG | SKY CHALLENGER | Ukraine | |
| Champagne Airlines | CPH | CHAMPAGNE | France | |
| Champion Air | MG | CCP | CHAMPION AIR | United States |
| Chanchangi Airlines | NCH | CHANCHANGI | Nigeria | |
| Chang An Airlines | 2Z | CGN | CHANGAN | China |
| Channel Island Aviation | CHN | CHANNEL | United States | |
| Chantilly Air | WML | MARLIN | United States | |
| Chaparral Airlines | CPL | CHAPARRAL | United States | |
| Chari Aviation Services | S8 | CSU | CHARI SERVICE | Chad |
| Charlan Air Charter | CAH | CHARLAN | South Africa | |
| Charlie Hammonds Flying Service | HMD | HAMMOND | United States | |
| Charlotte Air National Guard | CGD | United States | ||
| Charter Air | CHW | CHARTER WIEN | Austria | |
| Chartright Air | HRT | CHARTRIGHT | Canada | |
| Chautauqua Airlines | RP* | CHQ | CHAUTAUQUA | United States |
| Cheboksary Airenterprise | CBB | CHEBAIR | Russia | |
| Chemech Aviation | CHM | Pakistan | ||
| Cherline | CHZ | CHERL | Russia | |
| Chernomor-Avia | CMK | CHERAVIA | Russia | |
| Cherokee Express | CBM | BLUE MAX | United States | |
| Cherry Air | CCY | CHERRY | United States | |
| Chesapeake Air Service | CAB | CHESAPEAKE AIR | United States | |
| Chevron U.S.A | CVR | CHEVRON | United States | |
| Cheyenne Airways | CYA | CHEYENNE AIR | United States | |
| Chicago Air | CGO | WILD ONION | United States | |
| Chicago Jet Group | C8 | WDY | WINDY CITY | United States |
| Chief Rat Flight Services | RAT | RIVERRAT | South Africa | |
| Chilchota Taxi Aéreo | CCH | CHILCHOTA | Mexico | |
| Chilcotin Caribou Aviation | DES | CHILCOTIN | Canada | |
| Chilliwack Aviation | CAD | CHILLIWACKAIR | Canada | |
| Chim-Nir Aviation | ETN | CHIMNIR | Israel | |
| China Airlines | CI | CAL | DYNASTY | Taiwan |
| China Cargo Airlines | CK | CKK | CARGO KING | China |
| China Eastern Airlines | MU | CES | CHINA EASTERN | China |
| China Express Airlines | G5 | HXA | CHINA EXPRESS | China |
| China Flying Dragon Aviation | CFA | FEILONG | China | |
| China General Aviation Corporation | CTH | TONGHANG | China | |
| China National Aviation Corporation | CAG | CHINA NATIONAL | China | |
| China Northern Airlines | CJ | CBF | CHINA NORTHERN | China |
| China Northwest Airlines | WH | CNW | CHINA NORTHWEST | China |
| China Ocean Helicopter Corporation | CHC | CHINA HELICOPTER | China | |
| China Postal Airlines | 8Y | CYZ | CHINA POST | China |
| China Southern Airlines | CZ | CSN | CHINA SOUTHERN | China |
| China Southwest Airlines | CXN | CHINA SOUTHWEST | China | |
| China United Airlines | KN | CUA | LIANHANG | China |
| China Xinhua Airlines | XO | CXH | XINHUA | China |
| China Yunnan Airlines | 3Q | CYH | YUNNAN | China |
| Chinguetti Airlines | CGU | CHINGUETTI | Mauritania | |
| Chipola Aviation | CEP | CHIPOLA | United States | |
| Chippewa Air Commuter | CPW | CHIPPEWA-AIR | United States | |
| Chitaavia | X7 | CHF | CHITA | Russia |
| Christman Air System | CAS | CHRISTMAN | United States | |
| Christophorus Flugrettungsverein | OEC | CHRISTOPHORUS | Austria | |
| Chrome Air Services | CHO | CHROME AIR | United States | |
| Church Aircraft | CHU | CHURCHAIR | United States | |
| Cielos Airlines | A2 | CIU | CIELOS | Peru |
| Cimber Sterling | QI | CIM | CIMBER | Denmark |
| Cinnamon Air | C7 | CIN | CINNAMON | Sri Lanka |
| Cirrus | RRU | HELICIRRUS | Chile | |
| Cirrus Air | NTS | NITE STAR | United States | |
| Cirrus Airlines | C9 | RUS | CIRRUS AIR | Germany |
| Cirrus Middle East | JTI | Lebanon | ||
| CitationAir | FIV | FIVE STAR | United States | |
| Citibank | XCX | United States | ||
| Citic General Aviation | HZX | ZHONGXIN | China | |
| City Airline | CF | SDR | SWEDESTAR | Sweden |
| City Connexion Airlines | G3 | CIX | CONNEXION | Burundi |
| City of Bangor | XBG | United States | ||
| CityJet | WX | BCY | CITY-IRELAND | Ireland |
| Cityair (Chester) Limited | CAQ | AIR CHESTER | United Kingdom | |
| Cityfly | CII | CITYFLY | Italy | |
| CityFlyer Express | CJ | CFE | FLYER | United Kingdom |
| Cityline Hungary | CNB | CITYHUN | Hungary | |
| Citylink Airlines | HSR | HOOSIER | United States | |
| Civair Airways | CIW | CIVFLIGHT | South Africa | |
| Civil Air Patrol | CAP | CAP | United States | |
| Civil Air Transport | CT | CAT | Mandarin | Taiwan |
| Civil Aviation Authority | CIA | CALIMERA | Slovakia | |
| Civil Aviation Authority of New Zealand | CIV | CIVAIR | New Zealand | |
| Civil Aviation Inspectorate of the Czech Republic | CBA | CALIBRA | Czech Republic | |
| Claessens International Limited | FMC | CLAESSENS | United Kingdom | |
| Clark Aviation | CLK | CLARKAIR | United States | |
| Clasair | CSF | CALEDONIAN | United Kingdom | |
| Clay Lacy Aviation | CLY | CLAY-LACY | United States | |
| Click Airways | CGK | CLICK AIR | Kyrgyzstan | |
| Cloud 9 Air Charters | CLZ | CLOUDLINE | South Africa | |
| Clowes Estates Limited | CLD | CLOWES | United Kingdom | |
| Club 328 | SDJ | SPACEJET | United Kingdom | |
| Club Air | 6P | ISG | CLUBAIR | Italy |
| Coast Air | BX | CST | COAST CENTER | Norway |
| Coastal Air | DQ | U.S. Virgin Islands | United States | |
| Coastal Air Transport | TCL | TRANS COASTAL | United States | |
| Coastal Airways | CNG | SID-AIR | United States | |
| Coastal Travels | CSV | COASTAL TRAVEL | Tanzania | |
| Cohlmia Aviation | CHL | COHLMIA | United States | |
| Colaéreos | OLR | COLAEREOS | Ecuador | |
| Colemill Enterprises | CLE | COLEMILL | United States | |
| Colgan Air | 9L | CJC | COLGAN | United States |
| Colibri Aviation | CAE | HUMMINGBIRD | Canada | |
| Cologne Air Transport GmbH | YD | CAT | Germany | |
| Colt International | CCX | United States | ||
| Columbia Helicopters | WCO | COLUMBIA HELI | United States | |
| Columbus Air Transport | KLR | KAY-LER | United States | |
| Colvin Aviation | GHP | GRASSHOPPER EX | United States | |
| Comair | OH | COM | COMAIR | United States |
| Comair | MN | CAW | COMMERCIAL | South Africa |
| Comair Flight Services | GCM | GLOBECOM | South Africa | |
| Comed Group | CDE | COMEX | United Kingdom | |
| Comeravia | CVV | COMERAVIA | Venezuela | |
| Comercial Aérea | CRS | COMERCIAL AEREA | Mexico | |
| Comet Airlines | CMG | SUNSPY | Nigeria | |
| Comfort Air | FYN | FLYNN | Germany | |
| Comfort Jet Services | CMJ | COMFORT JET | Togo | |
| Comlux Aviation | CLA | COMLUX | Switzerland | |
| Commair Aviation | CMH | COMMODORE | United Kingdom | |
| Commandement Du Transport Aerien Militaire Francais | CTM | COTAM | France | |
| Commander Air Charter | CML | COMMANDAIR | Canada | |
| Commander Mexicana | CRM | COMMANDERMEX | Mexico | |
| Commercial Aviation | CMS | ACCESS | Canada | |
| Commodore Aviation | GAR | Australia | ||
| Commonwealth Jet Service | CJS | COMMONWEALTH | United States | |
| CommutAir | C5 | UCA | COMMUTAIR | United States |
| Comores Airlines | KR | CWK | CONTICOM | Comoros |
| Compagnia Generale Ripreseaeree | CGR | COMPRIP | Italy | |
| Compagnie Aérienne du Mali | CMM | CAMALI | Mali | |
| Compagnie Mauritanienne Des Transports | CPM | Mauritania | ||
| Compagnie de Bauxites de Guinee | GIC | CEBEGE | Guinea | |
| Compañía Aérea de Valencia | AIF | Spain | ||
| Compañía Aerotécnicas Fotográficas | ATF | AEROTECNICAS | Spain | |
| Compañía De Actividades Y Servicios De Aviación | LCT | STELLAIR | Spain | |
| Compania Ejecutiva | EJV | EJECUTIVA | Mexico | |
| Compania Helicopteros Del Sureste | HSE | HELISURESTE | Spain | |
| Compania Mexicana De Aeroplanos | MDR | AEROPLANOS | Mexico | |
| Compania Mexicargo | GJ | MXC | MEXICARGO | Mexico |
| Compañía Transportes Aéreos Del Sur | HSS | TAS HELICOPTEROS | Spain | |
| Compañía de Servicios Aéreos Tavisa | TAV | TAVISA | Spain | |
| Company Flight | CYF | COMPANY FLIGHT | Denmark | |
| Compass Airlines | CP | CPZ | COMPASS ROSE | United States |
| Compass International Airways | CPS | COMPASS | United Kingdom | |
| Compuflight Operations Service | XCO | United States | ||
| Compuserve Incorporated | XCS | United States | ||
| Conair Aviation | CRC | CONAIR-CANADA | Canada | |
| Concordavia | COD | CONCORDAVIA | Ukraine | |
| Condor Aero Services | CNR | CONAERO | United States | |
| Condor | CIB | CONDOR BERLIN | Germany | |
| Condor Flugdienst | DE | CFG | CONDOR | Germany |
| Confort Air | COF | CONFORT | Canada | |
| Congo Air | CAK | Bahamas | ||
| Congressional Air | CGA | CONGRESSIONAL | United States | |
| Conifair Aviation | ROY | Canada | ||
| Connectair Charters | BSN | BASTION | Canada | |
| Conquest Airlines | CAC | CONQUEST AIR | United States | |
| Conroe Aviation Services | CXO | CONROE AIR | United States | |
| Consorcio Helitec | VCH | CONSORCIO HELITEC | Venezuela | |
| Constanta Airline | UZA | CONSTANTA | Ukraine | |
| Contactair | KIS | CONTACTAIR | Germany | |
| Contel ASC | XCL | United States | ||
| Continental Airlines | CO | COA | CONTINENTAL | United States |
| Continental Express | CO | JETLINK | United States | |
| Continental Micronesia | CS | CMI | AIR MIKE | United States |
| Continental Oil | CON | CONOCO | United States | |
| Conviasa | V0 | VCV | CONVIASA | Venezuela |
| Cook Inlet Aviation | CKA | COOK-AIR | United States | |
| Cooper Aerial Surveys | SVY | SURVEYOR | United Kingdom | |
| Copa Airlines | CM | CMP | COPA | Panama |
| Copenhagen Air Taxi | CAT | AIRCAT | Denmark | |
| Copper State Air Service | COP | COPPER STATE | United States | |
| Copterline | AAQ | COPTERLINE | Finland | |
| Central Charter | CQ | CCW | CENTRAL CHARTER | Czech Republic |
| Corendon Airlines | XC | CAI | CORENDON | Turkey |
| Corendon Dutch Airlines | CD | CND | DUTCH CORENDON | Netherlands |
| Coronado Aerolíneas | CRA | CORAL | Colombia | |
| Corpac Canada | CPB | PENTA | Canada | |
| Corporación Aéreo Cencor | CNC | CENCOR | Mexico | |
| Corporacion Aeroangeles | CPG | CORPORANG | Mexico | |
| Corporacion Paraguaya De Aeronautica | CGY | Paraguay | ||
| Corporate Air | CPT | AIR SPUR | United States | |
| Corporate Air | CPR | CORPAIR | United States | |
| Corporate Aircraft Company | CPO | MOKAN | United States | |
| Corporate Airlink | COO | CORPORATE | Canada | |
| Corporate Aviation Services | CKE | CHECKMATE | United States | |
| Corporate Flight International | VHT | VEGAS HEAT | United States | |
| Corporate Flight Management | VTE | VOLUNTEER | United States | |
| Corporate Jets | CJI | SEA JET | United States | |
| Corsairfly | SS | CRL | CORSAIR | France |
| Corse Méditerranée | XK | CCM | CORSICA | France |
| Cosmic Air | F5 | COZ | COSMIC AIR | Nepal |
| Costa Airlines | COT | Venezuela | ||
| Cougar Helicopters | CHI | COUGAR | Canada | |
| Coulson Flying Service | MGB | MOCKINGBIRD | United Kingdom | |
| Country Connection Airlines | NSW | Australia | ||
| Country International Airlines | CIK | COUNTRY AIR | Kyrgyzstan | |
| Courier Services | CSD | DELIVERY | United States | |
| Court Helicopters | CUT | COURT AIR | South Africa | |
| Court Line | OU | COURTLINE | United Kingdom | |
| Coval Air | CVL | COVAL | Canada | |
| COWI | COW | COWI | Denmark | |
| Coyne Aviation | 7C | COY | COYNE AIR | United Kingdom |
| Cranfield University | CFD | AERONAUT | United Kingdom | |
| Cree Airways | CRE | CREE AIR | Canada | |
| Crelam | ELM | CRELAM | Mexico | |
| Crest Aviation | CAN | CREST | United Kingdom | |
| Crimea Universal Avia | KRM | TRANS UNIVERSAL | Ukraine | |
| Croatia Airlines | OU | CTN | CROATIA | Croatia |
| Croatian Air Force | HRZ | CROATIAN AIRFORCE | Croatia | |
| Cross Aviation | CRX | CROSSAIR | United Kingdom | |
| Crossair Europe | QE | ECC | Cigogne | Switzerland |
| Crow Executive Air | CWX | CROW EXPRESS | United States | |
| Crown Air Systems | CKR | CROWN AIR | United States | |
| Crown Airways | CRO | CROWN AIRWAYS | United States | |
| Crownair | CRW | REGAL | Canada | |
| Cruiser Linhas Aéreas | VCR | VOE CRUISER | Brazil | |
| Cryderman Air Service | CTY | CENTURY | United States | |
| Crystal Shamrock | CYT | CRYSTAL-AIR | United States | |
| CSA Air | IRO | IRON AIR | United States | |
| Cubana de Aviación | CU | CUB | CUBANA | Cuba |
| Cutter Aviation | CTF | CUTTER FLIGHT | United States | |
| Cumberland Airways | CBL | CUMBERLAND | United States | |
| Custom Air Transport | CTT | CATT | United States | |
| Cygnus Air | RGN | CYGNUS AIR | Spain | |
| Cyprair Tours | CYC | CYPRAIR | Cyprus | |
| Cypress Airlines | CYS | SKYBIRD | Canada | |
| Cyprus Airways | CY | CYP | CYPRUS | Cyprus |
| Cyprus Turkish Airlines | YK | KYV | AIRKIBRIS | Turkey |
| Czech Air Force | CEF | CZECH AIR FORCE | Czech Republic | |
| Czech Air Handling | AHD | AIRHANDLING | Czech Republic | |
| Czech Airlines | OK | CSA | CSA | Czech Republic |
| Czech Government Flying Service | CIE | CZECH REPUBLIC | Czech Republic | |
| Cargo Plus Aviation | 8L | CGP | United Arab Emirates | |
| CDI Cargo Airlines | GJ | CDC | HUALONG | China |
| CHC Helicopters Netherlands | HNL | MAPLELEAF | Netherlands | |
| Centro de Servicio Aeronautico | 5Z | KEM | CESA | Mexico |
| Cobalt | FCB | NEW AGE | Cyprus | |
| CAVOK Airlines | CVK | CARGO LINE | Ukraine | |
| Clickair | XG | CLI | CLICKJET | Spain |
| West Air (China) | PN | CHB | WEST CHINA | China |
| Aero-Beta | ABA | Aerobeta | Germany | |
| Dreamjet | DJT | DREAMJET | France | |
| Delta Private Jets | DPJ | JET CARD | United States | |
| Desert Jet | DJR | DESERT FLIGHT | United States | |
| Dehong South Asian General Aviation | DLC | SOARCOPTER | China | |
| Dniproaviaservis Company | DNS | Ukraine | ||
| Dream Flyers Training Center | DRF | Spain | ||
| DMCFLY | DMF | DEMLY | Mexico | |
| Danaus Lineas Aereas | NAU | DANAUS | Mexico | |
| DF Aviation | GDF | Ukraine | ||
| D & D Aviation | DDA | DUSTY | United States | |
| D&K Aviation | DNK | DIRECT JET | United States | |
| DanubeWings | V5 | VPA | VIP TAXI | Slovakia |
| DAP Helicopteros | DHE | HELIDAP | Chile | |
| DFS UK Limited | VLF | VOLANTE | United Kingdom | |
| DAS Air Cargo | WD | DSR | DAIRAIR | Uganda |
| DAS Airlines | RKC | DAS CONGO | Democratic Republic of the Congo | |
| DAT Danish Air Transport | DX | DTR | DANISH | Denmark |
| DAT Enterprise Limited | ENT | DATENT | United Kingdom | |
| DERA Boscombe Down | BDN | GAUNTLET | United Kingdom | |
| DESNA | DSN | DESNA | Ukraine | |
| DETA Air | DET | SAMAL | Kazakhstan | |
| DGO Jet | DGO | DGO JET | Mexico | |
| DHL Aero Expreso | DAE | YELLOW | Panama | |
| DHL Air Limited | D0 | DHK | WORLD EXPRESS | United Kingdom |
| DHL Aviation | DHV | WORLDSTAR | South Africa | |
| DHL International | ES | DHX | DILMUN | Bahrain |
| DHL de Guatemala | L3 | JOS | Guatemala | |
| DSWA | RSK | REDSKIN | United States | |
| Daallo Airlines | D3 | DAO | DALO AIRLINES | Djibouti |
| Dagestan Airlines | N2 | DAG | DAGAL | Russia |
| Dahla Airlines | DHA | Democratic Republic of Congo | ||
| DC Aviation | DCS | TWIN STAR | Germany | |
| Daimler-Chrysler | DCX | DAIMLER | United States | |
| Daka | DKA | Kazakhstan | ||
| Dala Air Services | DLR | DALA AIR | Nigeria | |
| Dalavia | H8 | KHB | DALAVIA | Russia |
| Dallas Express Airlines | DXP | DALLAS EXPRESS | United States | |
| Damascene Airways | DAS | AIRDAM | Syrian Arab Republic | |
| Danbury Airways | DSA | DANBURY AIRWAYS | United States | |
| Dancopter | DOP | DANCOPTER | Denmark | |
| Danish Air Force | DAF | DANISH AIRFORCE | Denmark | |
| Danish Air Lines | DD | DDL | Denmark | |
| Danish Army | DAR | DANISH ARMY | Denmark | |
| Danish Navy | DNY | DANISH NAVY | Denmark | |
| Danu Oro Transportas | DNU | DANU | Lithuania | |
| Darta | DRT | DARTA | France | |
| Darwin Airline | 0D | DWT | DARWIN | Switzerland |
| Dasab Airlines | DSQ | DASAB AIR | Uganda | |
| Dash Air Charter | DSH | DASH CHARTER | United States | |
| Dash Aviation | GOB | PILGRIM | United Kingdom | |
| Dasnair | DGX | DASNA | Switzerland | |
| Dassault Aviation | DAB | France | ||
| Dassault Falcon Jet Corporation | CVF | CLOVERLEAF | United States | |
| Dassault Falcon Service | DSO | DASSAULT | France | |
| Data International | DTN | DATA AIR | Sudan | |
| Date Transformation Corp | XDT | United States | ||
| Dauair | D5 | DAU | DAUAIR | Germany |
| David Crawshaw Consultants Limited | DCO | United Kingdom | ||
| Dawn Air | DWN | DAWN AIR | United States | |
| DayJet | DJS | DAYJET | United States | |
| Daya Aviation | DAY | DAYA | Sri Lanka | |
| De Havilland | DHC | DEHAVILLAND | Canada | |
| Deadalos Flugtbetriebs | IAY | IASON | Austria | |
| Decatur Aviation | DAA | DECUR | United States | |
| Deccan Charters | DKN | DECCAN | India | |
| Deere and Company | JDC | JOHN DEERE | United States | |
| Delaware Skyways | DWR | DELAWARE | United States | |
| Delta Aerotaxi | DEA | JET SERVICE | Italy | |
| Delta Air Charter | SNO | SNOWBALL | Canada | |
| Delta Private Jets | ELJ | ELITE JET | United States | |
| Delta Air Lines | DL | DAL | DELTA | United States |
| Delta Engineering Aviation | KMB | KEMBLEJET | United Kingdom | |
| Delta Express International | DLI | DELTA EXPRESS | Ukraine | |
| Delta State University | DSU | DELTA STATE | United States | |
| Denim Air | J7 | DNM | DENIM | Netherlands |
| Denver Express | FEC | FALCON EXPRESS | United States | |
| Denver Jet | DJT | DENVER JET | United States | |
| Generalitat de Catalunya | FGC | FORESTALS | Spain | |
| Deraya Air Taxi | DRY | DERAYA | Indonesia | |
| Des R Cargo Express | DRX | Mauritania | ||
| Desarrollo Milaz | MIZ | MILAZ | Mexico | |
| Destiny Air Services | DTY | DESTINY | Sierra Leone | |
| Deutsche Bahn | 2A | Germany | ||
| Deutsche Rettungsflugwacht | 1I | AMB | CIVIL AIR AMBULANCE | Germany |
| Deutsches Zentrum fur Luft-und Raumfahrt EV | LFO | LUFO | Germany | |
| Di Air | DIS | DI AIR | Serbia | |
| Diamond Aviation | SPK | SPARKLE | United States | |
| Didier Rousset Buy | DRB | DIDIER | Chile | |
| Digital Equipment Corporation | DGT | DIGITAL | United States | |
| Diplomatic Freight Services | DIP | DIPFREIGHT | United Kingdom | |
| Dirección General de Aviación Civil y Telecomunicasciones | ENA | ENA | Spain | |
| Direct Air | DIA | BLUE SKY | United States | |
| Midway Connection | XAP | MID-TOWN | United States | |
| Direct Flight | DCT | United Kingdom | ||
| Direct Fly | SXP | EXPRESS SKY | Poland | |
| Dirgantara Air Service | AW | DIR | DIRGANTARA | Indonesia |
| Discover Air | DCV | DISCOVER | United States | |
| Discovery Airways | DH | DVA | DISCOVERY AIRWAYS | United States |
| Dispatch Services | XDS | United States | ||
| Dix Aviation | DIX | DIX FLIGHT | Germany | |
| Dixie Airways | DEE | TACAIR | United States | |
| Dniproavia | Z6 | UDN | DNIEPRO | Ukraine |
| Dolphin Air | FDN | FLYING DOLPHIN | United Arab Emirates | |
| Dolphin Express Airlines | IXX | ISLAND EXPRESS | United States | |
| Dome Petroleum | DPL | DOME | Canada | |
| Dominair | YU | ADM | DOMINAIR | Dominican Republic |
| Dominguez Toledo | MYO | MAYORAL | Spain | |
| Dominicana de Aviación | DO | DOA | DOMINICANA | Dominican Republic |
| Domodedovo Airlines | E3 | DMO | DOMODEDOVO | Russia |
| Don Avia | DVB | DONSEBAI | Kazakhstan | |
| Donair Flying Club | DON | DONAIR | United Kingdom | |
| Donavia | D9 | DNV | DONAVIA | Russia |
| DonbassAero | 5D | UDC | DONBASS AERO | Ukraine |
| Dorado Air | DAD | DORADO AIR | Dominican Republic | |
| Dornier | DOR | DORNIER | Germany | |
| Dornier Aviation Nigeria | DAV | DANA AIR | Nigeria | |
| Dos Mundos | DOM | DOS MUNDOS | Dominican Republic | |
| Dreamcatcher Airways | DCA | DREAM CATCHER | United Kingdom | |
| Druk Air | KB | DRK | ROYAL BHUTAN | Bhutan |
| Drummond Island Air | DRE | MICHIGAN | United States | |
| Dubai Airwing | DUB | DUBAI | United Arab Emirates | |
| Dubrovnik Air | DBK | SEAGULL | Croatia | |
| Ducair | DUK | LION KING | Luxembourg | |
| Duchess of Britany (Jersey) Limited | DBJ | DUCHESS | United Kingdom | |
| UK Royal/HRH Duke of York | LPD | LEOPARD | United Kingdom | |
| Dun Air | DUN | DUNAIR | Mauritania | |
| Duncan Aviation | PHD | PANHANDLE | United States | |
| Dunyaya Bakis Hava Tasimaciligi | VVF | WORLDFOCUS | Turkey | |
| Duo Airways | DUO | FLY DUO | United Kingdom | |
| Durango Jet | DJE | DURANGO JET | Mexico | |
| Dutch Antilles Express | DNL | DUTCH ANTILLES | Netherlands Antilles | |
| Dutch Caribbean Express | DCE | DUTCH CARIBBEAN | Netherlands Antilles | |
| Dutchbird | DBR | DUTCHBIRD | Netherlands | |
| Dobrolet LLC | DBR | DOBROLET | Russia | |
| Dwyer Aircraft Services | DFS | DWYAIR | United States | |
| Dynair Services | XDY | United States | ||
| Dynamair Aviation | DNR | DYNAMAIR | Canada | |
| Dynamic Air | DYE | DYNAMIC | Netherlands | |
| Dynamic Airways | DYA | DYNAMIC AIR | United States | |
| Dba | DI | BAG | SPEEDWAY | Germany |
| Eagle Express | EES | Serbia | ||
| Echo Airlines | EBF | Bahamas | ||
| Envoy Air |
MQ |
ENY | ENVOY | United States |
| Everett Aviation | EVK | EVERETT | Kenya | |
| Executive Airlink | ENK | SUNBIRD | United States | |
| Ellinair | EL | ELB | ELLINAIR HELLAS | Greece |
| Everett Limited | EVT | Tanzania | ||
| Eleron Aviation Company | ELN | ELERON | Ukraine | |
| Eclair Aviation | ECC | ECLAIR | Czech Republic | |
| Egyptian Leisure Airlines | ELU | EGYPTIAN LEISURE | Egypt | |
| Endeavor Air | 9E | EDV | ENDEAVOR | United States |
| Executive Express Aviation | LTD | LIGHT SPEED | United States | |
| Express Airways | EPR | EMPEROR | Slovenia | |
| Excel-Aire Service | XSL | EXCELAIRE | United States | |
| Executive Flight Services | XSR | AIRSHARE | United States | |
| Ezjet GT | EZJ | GUYANA JET | Guyana | |
| Eagle Express Air Charter | 9A | EZX | EAGLEXPRESS | Malaysia |
| Elite Airways | MNU | MAINER | United States | |
| Europe Jet | EUROPE JET | Turkey | ||
| Everbread | E1 | United Kingdom | ||
| E H Darby Aviation | EHD | PLATINUM AIR | United States | |
| Electronic Data Systems | 1C | Switzerland | ||
| Electronic Data Systems | 1Y | United States | ||
| Executive Airlines Services | EXW | ECHOLINE | Nigeria | |
| EFAOS | EFS | EFAOS | Angola | |
| Eisele Flugdienst | EFD | EVER FLIGHT | Germany | |
| EFS-Flugservice | FSD | FLUGSERVICE | Germany | |
| EIS Aircraft | EIS | COOL | Germany | |
| EPAG | IAG | EPAG | France | |
| ESI Eliservizi Italiani | ESI | ELISERVIZI | Italy | |
| EU Airways | EUY | EUROAIRWAYS | Ireland | |
| EUjet | VE | EUJ | UNION JET | Ireland |
| EVA Air | BR | EVA | EVA | Taiwan |
| Eagle Aero | ICR | ICARUS FLIGHTS | United States | |
| Eagle Air | FEI | ARCTIC EAGLE | Iceland | |
| Eagle Air | Indonesia | |||
| Eagle Air | EGR | EAGLE SIERRA | Sierra Leone | |
| Eagle Air | EY | EFL | FLYING EAGLE | Tanzania |
| Eagle Air | H7 | EGU | AFRICAN EAGLE | Uganda |
| Eagle Airways | NZ | EAG | EAGLE | New Zealand |
| Eagle Air Company | EGX | THAI EAGLE | Thailand | |
| Eagle Aviation | GYP | GYPSY | United Kingdom | |
| Eagle Aviation France | EGN | FRENCH EAGLE | France | |
| Eagle International | SEG | SEN-EAGLE | Senegal | |
| Eagle Jet Charter | EGJ | EAGLE JET | United States | |
| Eaglemed | EMD | EAGLEMED | United States | |
| Earth Airlines Services | ERX | EARTH AIR | Nigeria | |
| UTair-Ukraine | QU | UTN | UT Ukraine | Ukraine |
| East African Safari Air | S9 | HSA | DUMA | Kenya |
| East African Safari Air Express | EXZ | TWIGA | Kenya | |
| East Asia Airlines | EMU | Macao | ||
| East Coast Airways | ECT | EASTWAY | South Africa | |
| East Coast Jets | ECJ | EASTCOAST JET | United States | |
| East Hampton Aire | EHA | AIRE HAMPTON | United States | |
| East Kansas City Aviation | EKC | BLUE GOOSE | United States | |
| East Midlands Helicopters | CTK | COSTOCK | United Kingdom | |
| East Star Airlines | DXH | EAST STAR | China | |
| East-West Airlines | EWA | EASTWEST | Australia | |
| Eastar Jet | ZE | ESR | EASTAR | South Korea |
| Eastern Air | EAZ | EASAIR | Zambia | |
| Eastern Air Executive | EAX | EASTEX | United Kingdom | |
| Eastern Air Lines | EA | EAL | EASTERN | United States |
| Eastern Air Lines | EAL | EASTERN | United States | |
| Eastern Airways | T3 | EZE | EASTFLIGHT | United Kingdom |
| Eastern Australia Airlines | QF | EAQ | EASTERN | Australia |
| Eastern Carolina Aviation | ECI | EASTERN CAROLINA | United States | |
| Eastern Executive Air Charter | GNS | GENESIS | United Kingdom | |
| Eastern Express | LIS | LARISA | Kazakhstan | |
| Eastern Metro Express | EME | EMAIR | United States | |
| Eastern Pacific Aviation | EPB | EAST PAC | Canada | |
| Eastern SkyJets | ESJ | EASTERN SKYJETS | United Arab Emirates | |
| Eastland Air | DK | ELA | Australia | |
| Eastwind Airlines | W9 | SGR | STINGER | United States |
| Easy Link Aviation Services | FYE | FLYME | Nigeria | |
| Eckles Aircraft | CMN | CIMMARON AIRE | United States | |
| Eclipse Aviation | EJT | ECLIPSE JET | United States | |
| Eco Air | ECQ | SKYBRIDGE | Nigeria | |
| Ecoair | DEI | Algeria | ||
| Ecomex Air Cargo | ECX | AIR ECOMEX | Angola | |
| Ecotour | ECD | ECOTOUR | Mexico | |
| Ecoturistica de Xcalak | XCC | XCALAK | Mexico | |
| Ecuatoguineana De Aviación | ECV | EQUATOGUINEA | Equatorial Guinea | |
| Ecuatorial Cargo | EQC | ECUA-CARGO | Equatorial Guinea | |
| Ecuavia | ECU | ECUAVIA | Ecuador | |
| Edelweiss Air | WK | EDW | EDELWEISS | Switzerland |
| Edgartown Air | SLO | SLOW | United States | |
| Air Charter Scotland | EDC | SALTIRE | United Kingdom | |
| Edwards Jet Center of Montana | EDJ | EDWARDS | United States | |
| Efata Papua Airlines | EIJ | EFATA | Indonesia | |
| EFS European Flight Service | EUW | EUROWEST | Sweden | |
| Egyptair | MS | MSR | EGYPTAIR | Egypt |
| Egyptair Cargo | MSX | EGYPTAIR CARGO | Egypt | |
| Egyptian Air Force | EGY | Egypt | ||
| Egyptian Aviation | EJX | Egypt | ||
| Egyptian Aviation Company | EMA | Egypt | ||
| Ei Air Exports | EIX | AIR EXPORTS | Ireland | |
| Eirjet | EIR | EIRJET | Ireland | |
| El Al Israel Airlines | LY | ELY | ELAL | Israel |
| El Caminante Taxi Aéreo | CMX | EL CAMINANTE | Mexico | |
| El Quilada International Aviation | GLQ | QUILADA | Sudan | |
| El Sal Air | ELS | EL SAL | El Salvador | |
| El Sol De América | ESC | SOLAMERICA | Venezuela | |
| El-Buraq Air Transport | UZ | BRQ | BURAQAIR | Libya |
| Elan Express | ELX | ELAN | United States | |
| Elbe Air Transport | LBR | MOTION | Germany | |
| Elbrus-Avia | NLK | ELAVIA | Russia | |
| Eldinder Aviation | DND | DINDER | Sudan | |
| Elicar | PDV | ELICAR | Italy | |
| Elidolomiti | EDO | ELIDOLOMITI | Italy | |
| Elieuro | ELB | ELILOBARDIA | Italy | |
| Elifriulia | EFG | ELIFRIULIA | Italy | |
| Elilario Italia | ELH | LARIO | Italy | |
| Elilombarda | EOA | LOMBARDA | Italy | |
| Elimediterranea | MEE | ELIMEDITERRANEA | Italy | |
| Elios | VUL | ELIOS | Italy | |
| Elipiu | IEP | ELIPIU | Italy | |
| Elisra Airlines | RSA | ESRA | Sudan | |
| Elite Air | EAI | ELAIR | Togo | |
| Elite Jets | EJD | ELITE DUBAI | United Arab Emirates | |
| Elitellina | FGS | ELITELLINA | Italy | |
| Elliott Aviation | ELT | ELLIOT | United States | |
| Elmagal Aviation Services | MGG | ELMAGAL | Sudan | |
| Elrom Aviation and Investments | ELR | Israel | ||
| Embassy Airlines | EAM | EMBASSY AIR | Nigeria | |
| Embassy Freight Company | EFT | EMBASSY FREIGHT | United States | |
| Empresa Brasileira De Aeronáutica | EMB | EMBRAER | Brazil | |
| Embry-Riddle Aeronautical University | XSL | SATSLAB | United States | |
| Emerald Airways | JEM | GEMSTONE | United Kingdom | |
| Emery Worldwide Airlines | EWW | EMERY | United States | |
| Emetebe | EMT | EMETEBE | Ecuador | |
| Emirates Airlines | EK | UAE | EMIRATES | United Arab Emirates |
| Emoyeni Air Charter | SBC | SABIAN AIR | South Africa | |
| Empire Air Service | EMP | EMPIRE | United States | |
| Empire Airlines | EM | CFS | EMPIRE AIR | United States |
| Empire Aviation Services | MPR | Nigeria | ||
| Empire Test Pilots School | ETP | TESTER | United Kingdom | |
| Empresa (Aero Uruguay), S.A. | AUO | UNIFORM OSCAR | Uruguay | |
| Empresa Aero-Servicios Parrague | PRG | ASPAR | Chile | |
| Empresa Aerocaribbean | CRN | AEROCARIBBEAN | Cuba | |
| Empresa Aviación Interamericana | VNA | EBBA | Uruguay | |
| Empresa Ecuatoriana De Aviación | EU | EEA | ECUATORIANA | Ecuador |
| Empresa Nacional De Servicios Aéreos | CNI | SERAER | Cuba | |
| Empresa Venezolana | VNE | VENEZOLANA | Venezuela | |
| Empresa de Aviación Aerogaviota | GTV | GAVIOTA | Cuba | |
| Empressa Brasileira de Infra-Estrutura Aeroportuaria-Infraero | XLT | INFRAERO | Brazil | |
| Endecots | ENC | ENDECOTS | Ecuador | |
| Enimex | ENI | ENIMEX | Estonia | |
| Enkor | G8 | ENK | ENKOR | Russia |
| Enrique Gleisner Vivanco | EGV | GLEISNER | Chile | |
| Ensenada Vuelos Especiales | ESE | ENSENADA ESPECIAL | Mexico | |
| Enter Air | OF | ENT | ENTER | Poland |
| Entergy Services | ENS | ENTERGY SHUTTLE | United States | |
| Enterprise World Airways | EWS | WORLD ENTERPRISE | Democratic Republic of the Congo | |
| Eos Airlines | E0 | ESS | NEW DAWN | United States |
| Equaflight Service | EKA | EQUAFLIGHT | Republic of the Congo | |
| Equatair Air Services (Zambia) | EQZ | ZAMBIA CARGO | Zambia | |
| Equatorial Airlines | EQT | Equatorial Guinea | ||
| Era Helicopters | ERH | ERAH | United States | |
| Eram Air | IRY | ERAM AIR | Iran | |
| Erfoto | ERF | ERFOTO | Portugal | |
| Erie Airways | ERE | AIR ERIE | United States | |
| Eritrean Airlines | B8 | ERT | ERITREAN | Eritrea |
| Escola De Aviacao Aerocondor | EAD | AERO-ESCOLA | Portugal | |
| Escuela De Pilotos Are Aviación | CTV | ARE AVIACION | Spain | |
| Espace Aviation Services | EPC | ESPACE | Democratic Republic of the Congo | |
| Esso Resources Canada | ERC | ESSO | Canada | |
| Estafeta Carga Aérea | E7 | ESF | Mexico | |
| Estonian Air Force | EEF | ESTONIAN AIR FORCE | Estonia | |
| Estonian Air | OV | ELL | ESTONIAN | Estonia |
| Estrellas Del Aire | ETA | ESTRELLAS | Mexico | |
| Ethiopian Airlines | ET | ETH | ETHIOPIAN | Ethiopia |
| Etihad Airways | MJM | ETIHAD | United Arab Emirates | |
| Etram Air Wing | ETM | ETRAM | Angola | |
| Euraviation | EVN | EURAVIATION | Italy | |
| Euro Continental AIE | ECN | EURO CONTINENTAL | Spain | |
| Euro Exec Express | RZ | Sweden | ||
| Euro Sun | ESN | EURO SUN | Turkey | |
| Euro-Asia Air | EAK | EAKAZ | Kazakhstan | |
| Euro-Asia Air International | KZE | KAZEUR | Kazakhstan | |
| EuroAtlantic Airways | MM | MMZ | EUROATLANTIC | Portugal |
| EuroJet Aviation | GOJ | GOJET | United Kingdom | |
| Pan Europeenne Air Service | EUP | SAVOY | France | |
| Euroamerican Air | EUU | EUROAMERICAN | Uruguay | |
| Euroceltic Airways | ECY | ECHELON | United Kingdom | |
| Eurocontrol | EUC | Belgium | ||
| Eurocopter | ECF | EUROCOPTER | France | |
| Eurocypria Airlines | UI | ECA | EUROCYPRIA | Cyprus |
| Eurofly | GJ | EEZ | E-FLY | Italy |
| Eurofly Service | EEU | EUROFLY | Italy | |
| Euroguineana de Aviación | EUG | EUROGUINEA | Equatorial Guinea | |
| Eurojet Limited | ERJ | JET LINE | Malta | |
| Eurojet Romania | RDP | JET-ARROW | Romania | |
| Eurojet Servis | EJS | EEJAY SERVICE | Czech Republic | |
| Eurolot | K2 | ELO | EUROLOT | Poland |
| Euromanx Airways | 3W | EMX | EUROMANX | Austria |
| Europe Air Lines | GED | LANGUEDOC | France | |
| Europe Airpost | 5O | FPO | FRENCH POST | France |
| European 2000 Airlines | EUT | FIESTA | Malta | |
| European Aeronautical Group UK | EAG | United Kingdom | ||
| European Air Express | EA | EAL | STAR WING | Germany |
| European Air Transport | QY | BCS | EUROTRANS | Belgium |
| European Aviation Air Charter | E7 | EAF | EUROCHARTER | United Kingdom |
| European Business Jets | EBJ | United Kingdom | ||
| European Coastal Airlines | ECB | COASTAL CLIPPER | Croatia | |
| European Executive | ETV | EURO EXEC | United Kingdom | |
| European Executive Express | EXC | ECHO EXPRESS | Sweden | |
| Eurosense | EBG | EUROSENSE | Bulgaria | |
| Euroskylink | ESX | CATFISH | United Kingdom | |
| Eurowings | EW | EWG | EUROWINGS | Germany |
| Eurowings Europe | E2 | EWE | EUROWINGS | Austria |
| Evelop Airlines | EVE | EVELOP | Spain | |
| Evergreen International Airlines | EZ | EIA | EVERGREEN | United States |
| Everts Air Alaska | VTS | EVERTS | United States | |
| Ewa Air | ZD | EWR | MAYOTTE AIR | France |
| Examiner Training Agency | EMN | AGENCY | United Kingdom | |
| Excel Airways | JN | XLA | EXPO | United Kingdom |
| Excel Charter | XEL | HELI EXCEL | United Kingdom | |
| Excellent Air | GZA | EXCELLENT AIR | Germany | |
| Execair Aviation | MB | EXA | CANADIAN EXECAIRE | Canada |
| Execujet Charter | VCN | AVCON | Switzerland | |
| Execujet Middle East | EJO | MIDJET | United Arab Emirates | |
| Execujet Scandinavia | VMP | VAMPIRE | Denmark | |
| Executive Air | LFL | LIFE FLIGHT | Zimbabwe | |
| Executive Air Charter | EAC | EXECAIR | United States | |
| Executive Air Fleet | XAF | United States | ||
| Executive Aircraft Charter and Charter Services | ECS | ECHO | Ireland | |
| Executive Aircraft Services | XAH | United Kingdom | ||
| Executive Airlines | OW | EXK | EXECUTIVE EAGLE | United States |
| Executive Aviation Services | EXU | JESTER | United Kingdom | |
| Executive Flight | EXE | EXEC | United States | |
| Ontario Government | TRI | TRILLIUM | Canada | |
| Executive Jet Charter | EXJ | United Kingdom | ||
| Executive Jet Management | EJM | JET SPEED | United States | |
| Executive Turbine Aviation | TEA | TRAVELMAX | South Africa | |
| Eximflight | EXF | EXIMFLIGHT | Mexico | |
| Exin | EXN | EXIN | Poland | |
| Expertos En Carga | EXR | EXPERTOS ENCARGA | Mexico | |
| Express Air | FXA | EFFEX | United States | |
| Express International Cargo | EIC | EXCARGO | São Tomé and Príncipe | |
| Express Line Aircompany | XPL | EXPRESSLINE | United States | |
| Express Net Airlines | XNA | EXPRESSNET | United States | |
| Express One International | EO | LHN | LONGHORN | United States |
| Express Tours | XTO | EXPRESS TOURS | Canada | |
| ExpressJet | EV | ASQ | ACEY | United States |
| Exxavia Limited | JTM | SKYMAN | Ireland | |
| easyJet | U2 | EZY | EASY | United Kingdom |
| easyJet Switzerland | DS | EZS | TOPSWISS | Switzerland |
| Western Express Air | AAE | ARIZONA | United States | |
| Eagle Airlines Luftverkehrsges | EAV | MAYFLOWER | Austria | |
| Eagle Aviation Services | ABU | United States | ||
| ExxAero | XRO | CRAMER | Netherlands | |
| easyJet Europe | EC | EJU | ALPINE | Austria |
| Evolem Aviation | EVL | EVOLEM | France | |
| Florida Aerocharter | KWX | KAY DUB | United States | |
| Florida Air Cargo | FAS | FLORIDA CARGO | United States | |
| Fly Advance | VNX | VANCE | United States | |
| Fuxion Line Mexico | FUM | FUNLINE | Mexico | |
| Fly Rak | FRB | RAKWAY | United Arab Emirates | |
| FMI Air | FMI | FIRST MYANMAR | Myanmar | |
| Fort Aero | FRX | FORT AERO | Estonia | |
| Fast Air | PBR | POLAR BEAR | Canada | |
| Fly Jetstream Aviation | SRE | STREAMJET | South Africa | |
| Fastjet | FTZ | GREY BIRD | Tanzania | |
| F Air | FAP | FAIR SCHOOL | Czech Republic | |
| Flying Fast | FLS | RAPIDOS | Mexico | |
| F.S. Air Service | EYE | SOCKEYE | United States | |
| FAI Air Service | IFA | RED ANGEL | Germany | |
| FINFO Flight Inspection Aircraft | FLC | FLIGHT CHECK | United States | |
| FLM Aviation Mohrdieck | FKI | KIEL AIR | Germany | |
| FLTPLAN | DCM | DOT COM | United States | |
| FLowair Aviation | FLW | QUICKFLOW | France | |
| FMG Verkehrsfliegerschule Flughafen Paderborn-Lippstadt | FMG | HUSKY | Germany | |
| FR Aviation | FRA | RUSHTON | United Kingdom | |
| FSB Flugservice & Development | FSB | SEABIRD | Germany | |
| FSH Luftfahrtunternehmen | LEJ | LEIPZIG FAIR | Germany | |
| Fab Air | FBA | FAB AIR | Kyrgyzstan | |
| Facts Air | FCS | MEXFACTS | Mexico | |
| Fair Aviation | FAV | FAIRAVIA | South Africa | |
| Fair Wind Air Charter | FWD | FAIR WIND | United Arab Emirates | |
| Fairlines | FLS | FAIRLINE | Netherlands | |
| Fairoaks Flight Centre | FFC | FAIROAKS | United Kingdom | |
| Fairways Corporation | FWY | FAIRWAYS | United States | |
| Falcon Air | FCN | FALCON | Sweden | |
| Falcon Air | FAR | FALCAIR | Slovenia | |
| Falcon Air Express | FAO | PANTHER | United States | |
| Falcon Airline | FAU | FALCON AIRLINE | Nigeria | |
| Falcon Aviation | IH | Sweden | ||
| Falcon Aviation Services | FVS | FALCON AVIATION | United Arab Emirates | |
| Falcon Jet Centre | FJC | FALCONJET | United Kingdom | |
| Falwell Aviation | FAW | FALWELL | United States | |
| Far Eastern Air Transport | FE | FEA | Far Eastern | Taiwan |
| Royal Flying Doctor Service | FD | FLYDOC | Australia | |
| Farmingdale State University | FDL | FARMINGDALE STATE | United States | |
| Farnair Hungary | FAH | BLUE STRIP | Hungary | |
| Farnair Netherlands | FRN | FARNED | Netherlands | |
| ASL Airlines Switzerland | FAT | FARNER | Switzerland | |
| Farnas Aviation Services | RAF | FARNAS | Sudan | |
| Faroecopter | HBL | HELIBLUE | Denmark | |
| FaroeJet | F6 | RCK | ROCKROSE | Faroe Islands |
| Farwest Airlines | FRW | FARWEST | United States | |
| Faso Airways | F3 | FSW | FASO | Burkina Faso |
| Fast Helicopters | FHL | FINDON | United Kingdom | |
| Fayban Air Services | FAY | FAYBAN AIR | Nigeria | |
| Fayetteville Flying Service and Scheduled Skyways System | SKM | SKYTEM | United States | |
| Federal Air | FDR | FEDAIR | South Africa | |
| Federal Airlines | FLL | FEDERAL AIRLINES | Sweden | |
| Federal Armed Forces | DCN | DIPLOMATIC CLEARANCE | Germany | |
| Federal Armored Service | FRM | FEDARM | United States | |
| Federal Aviation Administration | NHK | NIGHTHAWK | United States | |
| FedEx Express | FX | FDX | FEDEX | United States |
| Feniks Airline | FNK | AURIKA | Kazakhstan | |
| Feria Aviación | FER | FERIA | Spain | |
| Fika Salaama Airlines | N8 | HGK | SALAAMA | Uganda |
| Finalair Congo | 4S | FNC | FINALAIR CONGO | Republic of the Congo |
| Financial Airxpress | FAK | FACTS | United States | |
| Fine Airlines | FBF | FINE AIR | United States | |
| Finist air | FTR | FINISTAIR | France | |
| Finnair | AY | FIN | FINNAIR | Finland |
| Finncomm Airlines | FC | WBA | WESTBIRD | Finland |
| Finnish Air Force | FNF | FINNFORCE | Finland | |
| Firefly | FY | FFM | FIREFLY | Malaysia |
| First Air | 7F | FAB | FIRST AIR | Canada |
| First Air Transport | JRF | Japan | ||
| First Cambodia Airlines | FCC | FIRST CAMBODIA | Cambodia | |
| First Choice Airways | DP | FCA | JETSET | United Kingdom |
| First City Air | MBL | FIRST CITY | United Kingdom | |
| First Flying Squadron | GGA | JAWJA | United States | |
| First Line Air | FIR | FIRSTLINE AIR | Sierra Leone | |
| First Sabre | FTS | FIRST SABRE | Mexico | |
| Fischer Air | 8F | FFR | FISCHER | Czech Republic |
| Fischer Air Polska | FFP | FLYING FISH | Poland | |
| FitsAir | 8D | EXV | EXPOAVIA | Sri Lanka |
| Flagship Express Services | FSX | FLAG | United States | |
| Flair Airlines | FLE | FLAIR | Canada | |
| Flamenco Airways | WAF | FLAMENCO | United States | |
| Flamingo Air | FMR | FLAMINGO AIR | United States | |
| Flamingo Air-Line | FLN | ILIAS | Kazakhstan | |
| Flash Airlines | FSH | FLASH | Egypt | |
| Fleet Requirements Air Direction Unit | BWY | BROADWAY | United Kingdom | |
| Fleetair | FLR | FLEETAIR | South Africa | |
| Flexair | FXY | FLEXY | Netherlands | |
| Flexflight | FXT | Denmark | ||
| Flight Alaska | TUD | TUNDRA | United States | |
| FCS Flight Calibration Services | FCK | NAV CHECKER | Germany | |
| Flight Calibration Services Ltd. | VOR | FLIGHT CAL | United Kingdom | |
| Flight Centre Victoria | FCV | NAVAIR | Canada | |
| Nelson Aviation College Ltd | FCP | FLIGHTCORP | New Zealand | |
| Flight Dispatch Services | FDP | Poland | ||
| Flight Express, Inc. | FLX | FLIGHT EXPRESS | United States | |
| Flight Inspection Center of the General Administration of Civil Aviation in China | CFI | CHINA JET | China | |
| Flight Inspections and Systems | LTS | SPECAIR | Russia | |
| Flight International | IVJ | INVADER JACK | United States | |
| Flight Line | MIT | MATCO | United States | |
| Flight Ops International | FOI | United States | ||
| Flight Options | OPT | OPTIONS | United States | |
| Flight Precision Limited | CLB | CALIBRATOR | United Kingdom | |
| Flight Safety Limited | FSL | FLIGHTSAFETY | United Kingdom | |
| Flight Support Sweden | FSU | Sweden | ||
| Flight Trac | CCK | CABLE CHECK | United States | |
| Flight Training Europe | AYR | CYGNET | Spain | |
| Flight West Airlines | FWQ | UNITY | Australia | |
| Flight-Ops International | KLO | KLONDIKE | Canada | |
| Flightcraft | CSK | CASCADE | United States | |
| Flightline | FEX | FLIGHTLINE | United Kingdom | |
| Flightline | FTL | FLIGHT-AVIA | Spain | |
| Flightpass Limited | FPS | FLIGHTPASS | United Kingdom | |
| Flightstar Corporation | FSR | FLIGHTSTAR | United States | |
| Flightworks | KDZ | KUDZU | United States | |
| Flint Aviation Services | FAZ | FLINT AIR | United States | |
| Florida Air | OJY | OHJAY | United States | |
| Florida Coastal Airlines | PA | FCL | FLORIDA COASTAL | United States |
| Florida Department of Agriculture | FFS | FORESTRY | United States | |
| Florida Jet Service | FJS | FLORIDAJET | United States | |
| Florida West International Airways | RF | FWL | FLO WEST | United States |
| Flugdienst Fehlhaber | FFG | WITCHCRAFT | Germany | |
| Flugschule Basel | FLU | YELLOW FLYER | Switzerland | |
| Flugschule Eichenberger | EZB | EICHENBURGER | Switzerland | |
| Flugwerkzeuge Aviation Software | FWZ | Austria | ||
| Fly All Ways | 8W | EDR | BIRDVIEW | Suriname |
| Fly Air | F2 | FLM | FLY WORLD | Turkey |
| Fly CI Limited | FCT | DEALER | United Kingdom | |
| Fly Europa Limited | FEE | FLY EURO | United Kingdom | |
| Fly Excellent | FXL | FLY EXCELLENT | Sweden | |
| Fly International Airways | NVJ | NOUVINTER | Tunisia | |
| Fly Jamaica Airways | OJ | FJM | GREENHEART | Jamaica |
| Fly Line | FIL | FLYLINE | Spain | |
| Fly Me Sweden | SH | FLY | FLYBIRD | Sweden |
| Fly Wex | IAD | FLYWEX | Italy | |
| FlyAsianXpress | D7 | XFA | FAX AIR | Malaysia |
| FlyLal | TE | LIL | LITHUANIA AIR | Lithuania |
| FlyNordic | LF | NDC | NORDIC | Sweden |
| Flybaboo | F7 | BBO | BABOO | Switzerland |
| Flybe | BE | BEE | JERSEY | United Kingdom |
| Flycolumbia | FCE | FLYCOLUMBIA | Spain | |
| Flycom | FLO | FLYCOM | Slovenia | |
| Flygaktiebolaget Gota Vingar | GVG | BLUECRAFT | Sweden | |
| Flyglobespan | Y2 | GSM | GLOBESPAN | United Kingdom |
| Flygprestanda | FPA | Sweden | ||
| Flygtransporter I Nykoping | ETS | EXTRANS | Sweden | |
| Flyguppdraget Backamo | INU | INSTRUCTOR | Sweden | |
| Flyhy Cargo Airlines | W3 | FYH | FLY HIGH | Thailand |
| Flying Carpet Company | FCR | FLYING CARPET | Lebanon | |
| Flying Service | FYG | FLYING GROUP | Belgium | |
| Flying-Research Aerogeophysical Center | FGP | FLYING CENTER | Russia | |
| Flylink Express | FLK | FLYLINK | Spain | |
| FlyPelican | FP | FRE | PELICAN | Australia |
| Flyteam Aviation | FTM | FLYTEAM | United Kingdom | |
| Focus Air | FKS | FOCUS | United States | |
| Fokker | FOP | Netherlands | ||
| Fonnafly | NOF | FONNA | Norway | |
| Ford Motor Company | FOB | FORDAIR | United Kingdom | |
| Formosa Airlines | VY | FOS | Taiwan | |
| Formula One Management | FOR | FORMULA | United Kingdom | |
| Forth and Clyde Helicopter Services | FHS | HELISCOT | United Kingdom | |
| Fortunair Canada | FXC | AIR FUTURE | Canada | |
| Forward Air International Airlines | BN | United States | ||
| Foster Aviation | FSA | FOSTER-AIR | United States | |
| Foster Yeoman | JFY | YEOMAN | United Kingdom | |
| Fotografia F3 | FTE | FOTOGRAFIA | Spain | |
| Fly One | 5F | FIA | Fly One | Moldova |
| Four Star Aviation | HK | FSC | FOUR STAR | United States |
| Four Winds Aviation | WDS | WINDS | United States | |
| Foxair | FXR | WILDFOX | Italy | |
| France Douanes | FDO | FRENCH CUSTOM | France | |
| Freebird Airlines | FH | FHY | FREEBIRD AIR | Turkey |
| Freedom Air | SJ | FOM | FREE AIR | New Zealand |
| Freedom Air | FP | FRE | FREEDOM | United States |
| Freedom Air Services | FFF | INTER FREEDOM | Nigeria | |
| Freedom Airlines | FRL | FREEDOM AIR | United States | |
| Freedom Airways | FAS | FREEDOM AIRWAYS | Cyprus | |
| Freeway Air | FWC | FREEWAY | Netherlands | |
| Freight Runners Express | FRG | FREIGHT RUNNERS | United States | |
| Force Aerienne Francaise | FAF | FRENCH AIR FORCE | France | |
| Aviation Legere De L Armee De Terre | FMY | FRENCH ARMY | France | |
| France Marine Nationale | FNY | FRENCH NAVY | France | |
| Fresh Air | FRR | FRESH AIR | Nigeria | |
| Fresh Air Aviation | BZY | BREEZY | United States | |
| Freshaer | FAE | WILDGOOSE | United Kingdom | |
| Friendship Air Alaska | FAL | FRIENDSHIP | United States | |
| Friendship Airlines | FLF | FRIEND AIR | Uganda | |
| Froggy Corporate Aviation | FGY | Australia | ||
| Frontier Airlines | F9 | FFT | FRONTIER FLIGHT | United States |
| Frontier Commuter | ITR | OUT BACK | United States | |
| Frontier Flying Service | 2F | FTA | FRONTIER-AIR | United States |
| Frontier Guard | FNG | FINNGUARD | Finland | |
| Fujairah Aviation Centre | FUJ | FUJAIRAH | United Arab Emirates | |
| Fujian Airlines | CFJ | FUJIAN | China | |
| Full Express | GAX | GRAND AIRE | United States | |
| Fumigación Aérea Andaluza | FAM | FAASA | Spain | |
| Fun Flying Thai Air Service | FFY | FUN FLYING | Thailand | |
| Fundació Rego | ROG | REGO | Spain | |
| Funtshi Aviation Service | FUN | FUNTSHI | Democratic Republic of the Congo | |
| Futura Gael | FGL | Applewood | Ireland | |
| Futura International Airways | FH | FUA | FUTURA | Spain |
| Flydubai | FZ | FDB | SKYDUBAI | UAE |
| Flightworks | FWK | United States | ||
| Flight Line | ACT | AMERICAN CHECK | United States | |
| Fly Georgia | 9Y | FGE | GEORGIA WING | Georgia |
| Fleet Air International | FRF | FAIRFLEET | Hungary | |
| FlyViking | VK | FVK | BALDER | Norway |
| [21] | PVV
| Fly Pro |
Sunday |
| |
| Air Greenland | GL | GRL | GREENLAND | Greenland Denmark |
| Gemini Air Group | DBC | DIAMOND BACK | United States | |
| Gama Aviation Switzerland | GCH | GAMA SWISS | Switzerland | |
| Guangxi Beibu Gulf Airlines | GX | GBC | SPRAY | China |
| Gospa Air | GOP | GOSPA AIR | Mexico | |
| GMJ Air Shuttle | HGT | HIGHTECH | United States | |
| Greenlandcopter | GRE | Denmark | ||
| Germania Express | GMQ | CORGI | Germany | |
| GB Helicopters | KNM | KINGDOM | United Kingdom | |
| Global Air Crew | GCW | GLOBALCREW | Denmark | |
| Global Avia Handling | GBH | Russia | ||
| Golden Myanmar Airlines | Y5 | GMR | GOLDEN MYANMAR | Myanmar |
| G & L Aviation | GML | GEEANDEL | South Africa | |
| G5 Executive | EXH | BATMAN | Switzerland | |
| GAK/Mitchell Aero | MTA | GAK AVIATION | United States | |
| GATSA | GGS | GATSA | Mexico | |
| GB Airlink | GBX | ISLAND TIGER | United States | |
| GB Airways | GT | GBL | GEEBEE AIRWAYS | United Kingdom |
| GCS Air Service | GCS | GALION | United States | |
| GEC Marconi Avionics | FFU | FERRANTI | United Kingdom | |
| GECAS | GCC | GECAS | Ireland | |
| GENSA | GEN | GENSA-BRASIL | Brazil | |
| GETRA | GET | GETRA | Equatorial Guinea | |
| GFW Aviation | GFW | Australia | ||
| GH Stansted Limited | GGT | United Kingdom | ||
| GMG Airlines | Z5 | GMG | GMG | Bangladesh |
| GP Express Airlines | GPE | REGIONAL EXPRESS | United States | |
| GPM Aeroservicio | GPR | GPM AEROSERVICIO | Mexico | |
| GR-Avia | GIB | GRAVIA | Guinea | |
| GST Aero | BMK | MURAT | Kazakhstan | |
| GTA Air | GTX | BIG-DEE | United States | |
| Ga-Ma Helicoptere | GAH | GAMHELICO | France | |
| Gabon Express | GBE | GABEX | Gabon | |
| Gabon-Air-Transport | GRT | Gabon | ||
| Gacela Air Cargo | GIG | GACELA AIR | Mexico | |
| Gail Force Express | GFC | GAIL FORCE | United States | |
| Gain Jet Aviation | GNJ | HERCULES JET | Greece | |
| Galair International | SWF | GALAIR | United Kingdom | |
| Galaircervis | GLS | GALS | Ukraine | |
| Galaxy Air | 7O | GAL | GALAXY | Kyrgyzstan |
| Galaxy Airlines | GXY | GALAX | Japan | |
| Galena Air Service | GAS | GALENA AIR SERVICE | United States | |
| Galileo International | 1G | United States | ||
| Gama Aviation | GMA | GAMA | United Kingdom | |
| Gambia International Airlines | GC | GNR | GAMBIA INTERNATIONAL | Gambia |
| Gambia New Millennium Air | NML | NEWMILL | Gambia | |
| Gamisa Aviación | GMJ | GAMISA | Spain | |
| Gandalf Airlines | G7 | GNF | Gandalf | Italy |
| Gander Aviation | GAN | GANAIR | Canada | |
| Garden State Airlines | GSA | GARDEN STATE | United States | |
| Garrison Aviation | AHM | AIR HURON | Canada | |
| Garuda Indonesia | GA | GIA | INDONESIA | Indonesia |
| Gatari Hutama Air Services | GHS | GATARI | Indonesia | |
| Gauteng Air Cargo | EGO | GAUTENG | South Africa | |
| Gazpromavia | GVN | GAZPROMAVIA | Russia | |
| Geesair | GEE | GEESAIR | Canada | |
| Gemini Air Cargo | GR | GCO | GEMINI | United States |
| Gendall Air | GAB | GENDALL | Canada | |
| Gendarmerie Belge | GDB | BELGIAN GENERMERIE | Belgium | |
| National Gendarmerie | FGN | FRANCE GENDARME | France | |
| General Aerospace | SWK | SKYWALKER | Canada | |
| General Airways | GWS | GENAIR | South Africa | |
| General Aviation | GNZ | GONZO | Poland | |
| General Aviation Flying Services | GTH | GOTHAM | United States | |
| General Aviation Terminal | XGA | Canada | ||
| General Motors | GMC | GENERAL MOTORS | United States | |
| Genex | GNX | Belarus | ||
| Geographic Air Surveys | GSL | SURVEY-CANADA | Canada | |
| Georgian Airways | A9 | TGZ | TAMAZI | Georgia |
| Georgian Aviation Federation | FGA | GEORGIA FED | Georgia | |
| Georgian Cargo Airlines Africa | GGF | GEORGIAN AFRICA | Senegal | |
| Georgian National Airlines | QB | GFG | NATIONAL | Georgia |
| Great Barrier Airlines | New Zealand | |||
| German Air Force | GAF | GERMAN AIR FORCE | Germany | |
| German Army | GAM | GERMAN ARMY | Germany | |
| German Navy | GNY | GERMAN NAVY | Germany | |
| German Sky Airlines | GHY | GERMAN SKY | Germany | |
| Germania | ST | GMI | GERMANIA | Germany |
| Germanwings | 4U | GWI | GERMAN WINGS | Germany |
| Gerry s Dnata | GDN | Pakistan | ||
| Gesellschaft Fur Flugzieldarstellung | GFD | KITE | Germany | |
| APG Airlines | GP | RIV | RIVERA | France |
| Gestair | GES | GESTAIR | Spain | |
| Gestar | GTR | STAR GESTAR | Chile | |
| Gestión Aérea Ejecutiva | GJT | BANJET | Spain | |
| Ghadames Air Transport | GHT | Libya | ||
| Globus Airlines | GH | GLP | GLOBUS | Russia |
| Ghana Airways | GH | GHA | GHANA | Ghana |
| Ghana International Airlines | G0 | GHB | GHANA AIRLINES | Ghana |
| Gibson Aviation | NTC | NIGHT CHASE | United States | |
| Global Air Charter | RPS | RESPONSE | United States | |
| Greybird Pilot Academy | GAG | GEEBIRD | Denmark | |
| Global Air Services Nigeria | GBS | GLOBAL SERVE | Nigeria | |
| Global Aircargo | GLC | Bahrain | ||
| Global Airways (Turks and Caicos) | Turks and Caicos Islands | |||
| Global Airways (BSP) | BSP | Democratic Republic of Congo | ||
| Global Airways (GLB) | GLB | GLO-AIR | United States | |
| Global Aviation Operations | GBB | GLOBE | South Africa | |
| Global Aviation and Services Group | GAK | AVIAGROUP | Libya | |
| Global Georgian Airways | GGZ | GLOBAL GEORGIAN | Georgia | |
| Global Jet Austria | GLJ | GLOBAL AUSTRIA | Austria | |
| Global Jet Corporation | NSM | THUNDERCLOUD | United States | |
| Global Jet Luxembourg | SVW | SILVER ARROWS | Luxembourg | |
| Global Sky Aircharter | GSK | GLOBAL SKY | United States | |
| Global Supply Systems | GSS | JET LIFT | United Kingdom | |
| Global System | XGS | United States | ||
| Global Weather Dynamics | XGW | United States | ||
| Global Wings | GLW | Japan | ||
| Globe Jet | GJA | Lebanon | ||
| GoAir | G8 | GOW | GOAIR | India |
| Go One Airways | GK | United Kingdom | ||
| GoJet Airlines | G7 | GJS | LINDBERGH | United States |
| Gobierno De Guinea Ecuatorial | GGE | Equatorial Guinea | ||
| Gof-Air | GOF | GOF-AIR | Mexico | |
| Gofir | GOI | SWISS HAWK | Switzerland | |
| Gol Transportes Aéreos | G3 | GLO | GOL TRANSPORTE | Brazil |
| Gold Belt Air Transport | GBT | GOLD BELT | Canada | |
| GoldAir | GDA | AIR PARTNER | United Kingdom | |
| Goldeck-Flug | GDK | GOLDECK FLUG | Austria | |
| Golden Air | DC | GAO | GOLDEN | Sweden |
| Golden Airlines | GDD | GOLDEN AIRLINES | United States | |
| Golden Pacific Airlines | GPA | GOLDEN PAC | United States | |
| Golden Rule Airlines | GRS | GOLDEN RULE | Kyrgyzstan | |
| Golden Star Air Cargo | GLD | GOLDEN STAR | Sudan | |
| Goldfields Air Services | GOS | Australia | ||
| Golfe Air Quebec | GAQ | GOLFAIR | Canada | |
| Goliaf Air | GLE | GOLIAF AIR | São Tomé and Príncipe | |
| Gomel Airlines | GOM | GOMEL | Belarus | |
| Gonini Air Services | 5Z | GON | GONINI | Suriname |
| Goodridge (UK) Limited | RDR | RED STAR | United Kingdom | |
| Gorkha Airlines | G1 | GORKHA AIRLINES | Nepal | |
| Gorlitsa Airlines | GOR | GORLITSA | Ukraine | |
| Government Flying Service | HKG | HONGKONG GOVERNMENT | Hong Kong SAR of China | |
| Zambia | GRZ | COM FLIGHT | Zambia | |
| Grampian Flight Centre | HLD | GRANITE | United Kingdom | |
| Granada Aviación | GAV | GRANAVI | Spain | |
| Grand Aire Express | GAE | GRAND EXPRESS | United States | |
| Grand Airways | GND | GRAND VEGAS | United States | |
| Grand Canyon Airlines | CVU | CANYON VIEW | United States | |
| Grant Aviation | GV | GUN | HOOT | United States |
| Grantex Aviation | LMK | LANDMARK | United Kingdom | |
| Great American Airways | GRA | GREAT AMERICAN | United States | |
| Great Lakes Airlines | GRA | LAKES AIR | United States | |
| Great Lakes Airways (Uganda) | GLU | LAKES CARGO | Uganda | |
| Great Plains Airlines | GRP | GREAT PLAINS | United States | |
| Great Wall Airlines | IJ | GWL | GREAT WALL | China |
| Great Western Air | GWA | G-W AIR | United States | |
| Hellenic Air Force | HAF | HELLENIC AIR FORCE | Greece | |
| Greek Navy | HNA | HELLENIC NAVY | Greece | |
| Griffin Aviation | GFF | GRIFFIN AIR | Cyprus | |
| Grixona | GXA | GRIXONA | Moldova | |
| Grizodubova Air Company | GZD | GRIZODUBOVA AIR | Russia | |
| Grossmann Air Service | HTG | GROSSMANN | Austria | |
| Grossmann Jet Service | GSJ | GROSSJET | Czech Republic | |
| Ground Handling Service de Mexico | GHV | GROUND HANDLING | Mexico | |
| Grup Air-Med | GPM | GRUPOMED | Spain | |
| Grupo De Aviación Ejecutiva | EJC | GRUPOEJECUTIVA | Mexico | |
| Grupo TACA | TAT | TACA-COSTARICA | Costa Rica | |
| Grupo Vuelos Mediterraneo | VMM | VUELOS MED | Spain | |
| Grupo Aéreo Monterrey | GMT | GRUPOMONTERREY | Mexico | |
| Guard Systems | GSY | GUARD AIR | Norway | |
| Guine Bissaur Airlines | G6 | BSR | BISSAU AIRLINES | Guinea-Bissau |
| Guinea Airways | GIJ | GUINEA AIRWAYS | Guinea | |
| Guinea Cargo | GNC | GUINEA CARGO | Equatorial Guinea | |
| Guinee Airlines | J9 | GIF | GUINEE AIRLINES | Guinea |
| Guinea Ecuatorial Airlines | GEA | GEASA | Equatorial Guinea | |
| Guinee Paramount Airlines | GIQ | GUIPAR | Guinea | |
| Guizhou Airlines | CGH | GUIZHOU | China | |
| Guja | GUS | GUJA | Mexico | |
| Gujarat Airways | G8 | GUJ | GUJARATAIR | India |
| Contract Air Cargo | TSU | TRANSAUTO | United States | |
| Gulf African Airlines | GUF | GULF AFRICAN | The Gambia | |
| Gulf Air | GF | GFA | GULF AIR | Bahrain |
| Gulf Air Inc | GAT | GULF TRANS | United States | |
| Gulf Central Airlines | GCN | GULF CENTRAL | United States | |
| Gulf Flite Center | SFY | SKY FLITE | United States | |
| Gulf Pearl Air Lines | GPC | AIR GULFPEARL | Libya | |
| Gulfstream Aerospace | GLF | GULFSTREAM TEST | United States | |
| Gulfstream Airlines | GFS | GULFSTAR | United States | |
| Gulfstream International Airlines | GFT | GULF FLIGHT | United States | |
| Gull Air | GUL | GULL-AIR | United States | |
| Gum Air | GUM | GUM AIR | Suriname | |
| Guneydogu Havacilik Isletmesi | GDH | RISING SUN | Turkey | |
| Guyana Airways 2000 | GY | |||
| Gwyn Aviation | GWN | GWYN | United Kingdom | |
| GlobeAir | GAC | DREAM TEAM | Austria | |
| Air Guyane Express | 3S | GUY | GREEN BIRD | French Guyana |
| Helix-Craft Aviation | HTB | HELIX-CRAFT | Panama | |
| Heli-Charter | HCK | HELI-CHARTER | United Kingdom | |
| Hunnu Air | MR | MML | TRANS MONGOLIA | Mongolia |
| Hamburg Airways | HAY | HAMBURG AIRWAYS | Germany | |
| H.S.AVIATION CO., LTD. | HSN | H.S.AVIATION | Thailand | |
| Heron Luftfahrt | HRN | HERONAIR | Germany | |
| Hyperion Aviation | HYP | HYPERION | Malta | |
| Hi Fly Malta | HFM | MOONRAKER | Malta | |
| Hop! | A5 | HOP | AIR HOP | France |
| HC Airlines | HLA | HEAVYLIFT | United Kingdom | |
| HPM Investments | HWD | FLITEWISE | United Kingdom | |
| HT Helikoptertransport | KTR | COPTER TRANS | Sweden | |
| HTA Helicopteros | AHT | HELIAPRA | Portugal | |
| Hacienda Airlines | United States | |||
| Hadison Aviation | FMS | HADI | United States | |
| Hageland Aviation Services | H6 | HAG | HAGELAND | United States |
| Hagondale Limited | POW | AIRNET | United Kingdom | |
| Hahn Air | HR | HHN | ROOSTER | Germany |
| Hainan Airlines | H1 | HAINAN | China | |
| Hainan Phoenix Information Systems | 1R | China | ||
| Haiti Air Freight | HLS | Haiti | ||
| Haiti Ambassador Airlines | 2T | HAM | Haiti | |
| Haiti International Air | HTI | HAITI INTERNATIONAL | Haiti | |
| Haiti International Airline | HRB | HAITI AIRLINE | Haiti | |
| Haiti National Airlines | HNR | HANAIR | Haiti | |
| Haiti North Airline | HTN | Haiti | ||
| Haiti Trans Air | HTC | HAITI TRANSAIR | Haiti | |
| Haitian Aviation Line | HBC | HALISA | Haiti | |
| Hak Air | HAJ | HAK AIRLINE | Nigeria | |
| Hala Air | HLH | HALA AIR | Sudan | |
| Halcyonair | HCV | CREOLE | Cape Verde | |
| Hamburg International | 4R | HHI | HAMBURG JET | Germany |
| Hamlin Jet | HJL | BIZJET | United Kingdom | |
| Hamra Air | HMM | HAMRA | United Arab Emirates | |
| Hand D Aviation | WVA | WABASH VALLEY | United States | |
| Hangar 8 | HGR | HANG | United Kingdom | |
| Hangard Aviation | HGD | HANGARD | Mongolia | |
| Hansung Airlines | HAN | HANSUNG AIR | Republic of Korea | |
| Hapag-Lloyd Express | X3 | HLX | YELLOW CAB | Germany |
| Hapagfly | HF | HLF | HAPAG LLOYD | Germany |
| Harbor Airlines | HB | HAR | HARBOR | United States |
| Harmony Airways | HQ | HMY | HARMONY | Canada |
| Haughey Air | NBR | NORBROOK | United Kingdom | |
| Haverfordwest Air Charter Services | PYN | POYSTON | United Kingdom | |
| Havilah Air Services | HAV | HAVILAH | Nigeria | |
| Hawaiian Airlines | HA | HAL | HAWAIIAN | United States |
| Hawaiian Pacific Airlines | HP | United States | ||
| Hawk Air | HKR | AIR HAW | Argentina | |
| Hawk De Mexico | HMX | HAWK MEXICO | Mexico | |
| Hawkair | BH | Canada | ||
| Hawkaire | HKI | HAWKEYE | United States | |
| Hazelton Airlines | HZL | HAZELTON | Australia | |
| Heavylift Cargo Airlines | HN | HVY | HEAVY CARGO | Australia |
| Heavylift International | HVL | HEAVYLIFT INTERNATIONAL | United Arab Emirates | |
| Helcopteros De Cataluna | HDC | HELICATALUNA | Spain | |
| Helenair (Barbados) | HCB | HELEN | Barbados | |
| Helenair Corporation | HCL | HELENCORP | Saint Lucia | |
| Helenia Helicopter Service | HHP | HELENIA | Denmark | |
| Heli Air Services | HLR | HELI BULGARIA | Bulgaria | |
| Heli Ambulance Team | ALJ | ALPIN HELI | Austria | |
| Heli Bernina | HEB | HELIBERNINA | Switzerland | |
| Heli France | HFR | HELIFRANCE | France | |
| Heli Hungary | HYH | HELIHUNGARY | Hungary | |
| Heli Medwest De Mexico | HLM | HELIMIDWEST | Mexico | |
| Heli Securite | HLI | HELI SAINT-TROPEZ | France | |
| Heli Trip | HTP | HELI TRIP | Mexico | |
| Heli Union Heli Prestations | HLU | HELI UNION | France | |
| Heli-Air-Monaco | MCM | HELI AIR | Monaco | |
| Heli-Holland | HHE | HELI HOLLAND | Netherlands | |
| Heli-Iberica | HRA | ERICA | Spain | |
| Heli-Iberica Fotogrametria | HIF | HIFSA | Spain | |
| Heli-Inter Guyane | HIG | INTER GUYANNE | France | |
| Heli-Link | HLK | HELI-LINK | Switzerland | |
| Heliamerica De Mexico | HMC | HELIAMERICA | Mexico | |
| Heliavia-Transporte Aéreo | HEA | HELIAVIA | Portugal | |
| Heliaviation Limited | CDY | CADDY | United Kingdom | |
| Helibravo Aviacao | HIB | HELIBRAVO | Portugal | |
| Helicap | HLC | HELICAP | France | |
| Helicentre Coventry | COV | HELICENTRE | United Kingdom | |
| Helicol | HEL | HELICOL | Colombia | |
| Helicopter | HCP | HELI CZECH | Czech Republic | |
| Helicopter & Aviation Services | JKY | JOCKEY | United Kingdom | |
| Helicopter Training & Hire | MVK | MAVRIK | United Kingdom | |
| Helicopteros Aero Personal | HAP | HELIPERSONAL | Mexico | |
| Helicopteros Agroforestal | HAA | AGROFORESTAL | Chile | |
| Helicopteros Internacionales | HNT | HELICOP INTER | Mexico | |
| Helicópteros Y Vehículos Nacionales Aéreos | HEN | HELINAC | Mexico | |
| Helicsa | HHH | HELICSA | Spain | |
| Helijet | JB | JBA | HELIJET | Canada |
| Helikopterdrift | HDR | HELIDRIFT | Norway | |
| Helikopterservice Euro Air | SCO | SWEDCOPTER | Sweden | |
| Heliocean | OCE | HELIOCEAN | France | |
| Helios Airways | ZU | HCY | HELIOS | Cyprus |
| Helipistas | HLP | HELIPISTAS | Spain | |
| Heliportugal | HPL | HELIPORTUGAL | Portugal | |
| Heliservicio Campeche | HEC | HELICAMPECHE | Mexico | |
| Helisul | HSU | HELIS | Portugal | |
| Heliswiss | HSI | HELISWISS | Switzerland | |
| Helitafe | HLT | HELITAFE | Mexico | |
| Helitalia | HIT | HELITALIA | Italy | |
| Helitaxi Ofavi | OFA | OFAVI | Mexico | |
| Helitours | HLT | HELITOURS | Sri Lanka | |
| Helitrans | 9I | HTA | SCANBIRD | Norway |
| Helitrans Air Service | HTS | HELITRANS | United States | |
| Heliworks | HLW | HELIWORKS | Chile | |
| Hellas Jet | HJ | HEJ | HELLAS JET | Greece |
| Hello | HW | FHE | FLYHELLO | Switzerland |
| Helog | HLG | HELOG | Switzerland | |
| Helvetic Airways | 2L | OAW | HELVETIC | Switzerland |
| Hemus Air | HMS | HEMUS AIR | Bulgaria | |
| Henebury Aviation | HAC | Australia | ||
| Heritage Flight | SSH | SNOWSHOE | United States | |
| Herman s Markair Express | MRX | SPEEDMARK | United States | |
| Heritage Aviation Developments | HED | FLAPJACK | United Kingdom | |
| Hewa Bora Airways | EO | ALX | ALLCONGO | Democratic Republic of the Congo |
| Hex Air | UD | HER | HEX AIRLINE | France |
| Hi-Jet Helicopter Services | HHS | HIJET | Suriname | |
| Hi Fly | 5K | HFY | SKY FLYER | Portugal |
| High-Line Airways | HLB | HIGH-LINE | Canada | |
| Highland Airways | HWY | HIWAY | United Kingdom | |
| Himalaya Airlines | H9 | HIM | HIMALAYA | Nepal |
| Hispánica de Aviación | HSH | HASA | Spain | |
| Hispaniola Airways | HIS | HISPANIOLA | Dominican Republic | |
| Hogan Air | HGA | HOGAN AIR | United States | |
| Hokkaido Air System | NTH | NORTH AIR | Japan | |
| Hokuriki-Koukuu Company | ABH | Japan | ||
| Hola Airlines | H5 | HOA | HOLA | Spain |
| Holding International Group | HIN | HOLDING GROUP | Mexico | |
| Holiday Airlines (US Airline) | HOL | HOLIDAY | United States | |
| Holidays Czech Airlines | HC | HCC | CZECH HOLIDAYS | Czech Republic |
| Holstenair Lubeck | HTR | HOLSTEN | Germany | |
| Homac Aviation | HMV | HOMAC | Luxembourg | |
| Honduras Airlines | HAS | HONDURAS AIR | Honduras | |
| Hong Kong Airlines | HX | CRK | BAUHINIA | Hong Kong |
| Hong Kong Air Cargo | RH | HKC | MASCOT | Hong Kong |
| Hong Kong Express Airways | UO | HKE | HONGKONG SHUTTLE | Hong Kong |
| Hongtu Airlines | A6 | HTU | HONGLAND | China |
| Honiara Cargo Express | HEX | HONIARA CARGO | Solomon Islands | |
| Hop-A-Jet | HPJ | HOPA-JET | United States | |
| Hope Air | HH | HOPE AIR | Canada | |
| Horizon Air | QX | QXE | HORIZON AIR | United States |
| Horizon Air Service | KOK | KOKO | United States | |
| Horizon Air for Transport and Training | HSM | ALOFUKAIR | Libya | |
| Horizon Air-Taxi | HOR | HORIZON | Switzerland | |
| Horizon Airlines | BN | HZA | HORIZON | Australia |
| Horizon Plus | HPS | HORIZON PLUS | Bangladesh | |
| Horizons Unlimited | HUD | HUD | United States | |
| Horizontes Aéreos | HOZ | HORIZONTES AEREOS | Mexico | |
| Hoteles Dinamicos | HDI | DINAMICOS | Mexico | |
| Houston Helicopters | HHO | HOUSTON HELI | United States | |
| Houston Jet Services | GGV | GREGG AIR | Austria | |
| Hozu-Avia | OZU | HOZAVIA | Kazakhstan | |
| Hub Airlines | HUB | HUB | United States | |
| Huessler Air Service | HUS | HUESSLER | United States | |
| Hughes Aircraft Company | GMH | HUGHES EXPRESS | United States | |
| Hummingbird Helicopter Service | WHR | WHIRLEYBIRD | United States | |
| Hunair Hungarian Airlines | HUV | SILVER EAGLE | Hungary | |
| Hungarian Air Force | HUF | HUNGARIAN AIRFORCE | Hungary | |
| Hyack Air | HYA | HYACK | Canada | |
| Hydro Air Flight Operations | HYC | HYDRO CARGO | South Africa | |
| Hydro-Québec | HYD | HYDRO | Canada | |
| Héli Sécurité Helicopter Airlines | H4 | France | ||
| Hawker Beechcraft | HKB | CLASSIC | United States | |
| H-Bird Aviation Services AB | ETI | JETHAWK | Sweden | |
| [25] | IJW | IIC | ||
| Island Air Express | EXP | ISLAND EXPRESS | United States | |
| Island Wings | IWL | Bahamas | ||
| Ikar | IK | KAR | IKAR | Russian Federation |
| Iconair | ICN | Pakistan | ||
| Interaviation Charter | IAC | INTERCHARTER | Romania | |
| Ifly | IFM | ICOPTER | Greece | |
| International Air Carrier Association | ITC | Belgium | ||
| IBC Airways | II | CSQ | CHASQUI | United States |
| IBL Aviation | 0C | IBL | CATOVAIR | Mauritius |
| IBM | BBL | BLUE | Switzerland | |
| Independent Carrier (ICAR) | YYY | ICAR | Ukraine | |
| ICC Canada | CIC | AIR TRADER | Canada | |
| IDG Technology Air | IDG | INDIGO | Czech Republic | |
| IFL Group | IFL | EIFEL | United States | |
| II Lione Alato Arl | RDE | FLIGHT RED | United Kingdom | |
| IJM International Jet Management | IJM | JET MANAGEMENT | Austria | |
| IKI International Airlines | IKK | IKIAIR | Japan | |
| IKON FTO | IKN | IKON | Germany | |
| IMP Aviation Services | BLU | BLUENOSE | Canada | |
| IMP Group Aviation Services | XGG | Canada | ||
| INFINI Travel Information | 1F | Japan | ||
| IPEC Aviation | IPA | IPEC | Australia | |
| IPM Europe | IPM | SHIPEX | United Kingdom | |
| IRS Airlines | LVB | SILVERBIRD | Nigeria | |
| ISD Avia | ISD | ISDAVIA | Ukraine | |
| ITA Software | 1U | United States | ||
| IVV Femida | FDF | Russia | ||
| Iberia Airlines | IB | IBE | IBERIA | Spain |
| Iberia Express | I2 | IBS | IBEREXPRESS | Spain |
| Ibertour Servicios Aéreos | IBR | IBERTOUR | Spain | |
| Ibertrans Aérea | IBT | IBERTRANS | Spain | |
| Iberworld | TY | IWD | IBERWORLD | Spain |
| Ibex Airlines | FW | IBX | IBEX | Japan |
| Ibicenca Air | IBC | IBICENCA | Spain | |
| Ibk-Petra | AKI | Sudan | ||
| Icar Air | RAC | TUZLA AIR | Bosnia and Herzegovina | |
| Icare Franche Compte | FRC | FRANCHE COMPTE | France | |
| Norwegian Air International (Norway) | D8 | IBK | NORTRANS | Norway |
| Icaro Air | ICD | ICARO | Ecuador | |
| Icaro | ICA | ICARFLY | Italy | |
| Icarus | IUS | ICARUS | Italy | |
| Icejet | ICJ | ICEJET | Iceland | |
| Icelandair | FI | ICE | ICEAIR | Iceland |
| Icelandic Coast Guard | ICG | ICELAND COAST | Iceland | |
| Ikaros DK | IKR | IKAROS | Denmark | |
| Il Ciocco International Travel Service | CIO | CIOCCO | Italy | |
| Il-Avia | ILV | ILAVIA | Russia | |
| Ildefonso Redriguez | IDL | ILDEFONSO | Mexico | |
| Iliamna Air Taxi | V8 | IAR | ILIAMNA AIR | United States |
| Ilpo Aruba Cargo | ILP | Aruba | ||
| Ilyich-Avia | ILL | ILYICHAVIA | Ukraine | |
| Imaer | IMR | IMAER | Portugal | |
| Imair Airlines | ITX | IMPROTEX | Azerbaijan | |
| Imperial Airways | PNX | PHOENIX | United States | |
| Imtrec Aviation | IMT | IMTREC | Cambodia | |
| Independence Air | DH | IDE | INDEPENDENCE AIR | United States |
| Independent Air Freighters | IDP | INDEPENDENT | Australia | |
| IndiGo Airlines | 6E | IGO | IFLY | India |
| India International Airways | IIL | INDIA INTER | India | |
| Indian Air Force | IFC | INDIAN AIRFORCE | India | |
| Indian Airlines | IC | IAC | INDAIR | India |
| Indicator Company | IDR | INDICATOR | Hungary | |
| Indigo Airlines | I9 | IBU | INDIGO BLUE | United States |
| Indonesia Air Transport | IDA | INTRA | Indonesia | |
| Indonesia AirAsia | QZ | AWQ | WAGON AIR | Indonesia |
| Indonesian Airlines | IO | IAA | INDO LINES | Indonesia |
| Industri Pesawat Terbang Nusantara | IPN | NUSANTARA | Indonesia | |
| Industrias Titan | ITN | TITANLUX | Spain | |
| Infinit Air | FFI | INFINIT | Spain | |
| Zimex Aviation | C4 | IMX | ZIMEX | Switzerland |
| Inflite The Jet Centre | INS | United Kingdom | ||
| Innotech Aviation | IVA | INNOTECH | Canada | |
| Insel Air International | INC | INSELAIR | Netherlands Antilles | |
| Institut Cartogràfic de Catalunya | ICC | CARTO | Spain | |
| Intair | INT | INTAIRCO | Canada | |
| Intal Avia | INL | INTAL AVIA | Kyrgyzstan | |
| Intavia Limited | FFL | United Kingdom | ||
| Intensive Air | XRA | INTENSIVE | South Africa | |
| Inter Air | ITW | INTER WINGS | Bulgaria | |
| Inter Express | INX | INTER-EURO | Turkey | |
| Inter Island Airways | H4 | IIN | Cape Verde | |
| Inter RCA | CAR | QUEBEC ROMEO | Central African Republic | |
| Inter Tropic Airlines | NTT | INTER-TROPIC | Sierra Leone | |
| Inter Tropical Aviation | TCU | TROPAIR | Suriname | |
| Inter-Air | ITA | CAFEX | United States | |
| Inter-Canadian | ICN | INTER-CANADIAN | Canada | |
| Inter-Island Air | UGL | UGLY VAN | United States | |
| Inter-Mountain Airways | IMA | INTER-MOUNTAIN | United States | |
| Inter-State Aviation | ITS | INTER-STATE | United States | |
| Interair South Africa | D6 | ILN | INLINE | South Africa |
| Interaire | NTE | INTERMEX | Mexico | |
| Interavia Airlines | ZA | SUW | ASTAIR | Russia |
| Interaviatrans | IVT | INTERAVIA | Ukraine | |
| Intercontinental de Aviación | RS | ICT | CONTAVIA | Colombia |
| Intercopters | ICP | CHOPER | Spain | |
| Interflight | IFT | INTERFLIGHT | United Kingdom | |
| Interflight (Learjet) | IJT | United Kingdom | ||
| Interfly | RFL | INFLY | Italy | |
| Interfreight Forwarding | IFF | INTERFREIGHT | Sudan | |
| Interguide Air | IGN | DIVINE AIR | Nigeria | |
| Interisland Airlines | ISN | TRI-BIRD | Philippines | |
| Interisland Airways Limited | IWY | ISLANDWAYS | Turks and Caicos Islands | |
| Interjet | 4O | AIJ | INTERJET | Mexico |
| Interjet Helicopters | IHE | INTERCOPTER | Greece | |
| Interlink Airlines | ID | ITK | INTERLINK | South Africa |
| International Air Cargo Corporation | IAK | AIR CARGO EGYPT | Egypt | |
| International Air Corporation | EXX | EXPRESS INTERNATIONAL | United States | |
| International Air Service | IAS | STARFLEET | United States | |
| International Air Services | IAX | INTERAIR SERVICES | Liberia | |
| International Business Air | 6I | IBZ | INTERBIZ | Sweden |
| International Business Aircraft | IBY | CENTRAL STAGE | United States | |
| International Charter Services | ICS | INTERSERVI | Mexico | |
| International Charter Xpress | ICX | INTEX | United States | |
| International Committee of the Red Cross | RED | RED CROSS | Switzerland | |
| International Company for Transport, Trade and Public Works | IIG | ALDAWLYH AIR | Libya | |
| International Flight Training Academy | IFX | IFTA | United States | |
| International Jet Aviation Services | IJA | I-JET | United States | |
| International SOS WIndhoek | HSP | SKYMEDIC | Namibia | |
| International Stabilisation Assistance Force | ISF | United Kingdom | ||
| International Security Assistance Force | THN | ATHENA | Canada | |
| International Trans-Air | ITH | INTRANS NIGERIA | Nigeria | |
| Interport Corporation | IPT | INTERPORT | United States | |
| Intersky Bulgary | IKY | GENERAL SKY | Bulgaria | |
| Intersky | 3L | ISK | INTERSKY | Austria |
| Interstate Airlines | I4 | FWA | FREEWAYAIR | Netherlands |
| Intervuelos | ITU | INTERLOS | Mexico | |
| Inversija | INV | INVER | Latvia | |
| Iona National Airways | IND | IONA | Ireland | |
| Iowa Airways | IOA | IOWA AIR | United States | |
| Iran Air | IR | IRA | IRANAIR | Iran |
| Iran Aseman Airlines | EP | IRC | ASEMAN | Iran |
| Iranair Tours | IRB | Iran | ||
| Iranian Naft Airlines | IRG | NAFT | Iran | |
| Iraqi Airways | IA | IAW | IRAQI | Iraq |
| Irbis Air | BIS | IRBIS | Kazakhstan | |
| Irish Air Corps | IRL | IRISH | Ireland | |
| Irish Air Transport | RDK | IRISH TRANS | Ireland | |
| Irish Aviation Authority | XMR | AUTHORITY | Ireland | |
| Irtysh Air | IH | MZA | IRTYSH AIRLINES | Kazakhstan |
| Irving Oil | KCE | KACEY | Canada | |
| Island Air | ISI | ISLANDMEX | Mexico | |
| Island Air Charters | ILF | ISLAND FLIGHT | United States | |
| Island Air Express | XYZ | RAINBIRD | United States | |
| Island Airlines | ISA | United States | ||
| Island Aviation Services | SOY | Maldives | ||
| Island Aviation and Travel | IOM | ISLE AVIA | United Kingdom | |
| Island Express | 2S | SDY | SANDY ISLE | United States |
| Island Helicopters | MTP | METROCOPTER | United States | |
| ILAS Air | ILC | Japan | ||
| Islandair Jersey | IAJ | JARLAND | United Kingdom | |
| Islands Nationair | CN | Papua New Guinea | ||
| Icebird Airline | ICB | ICEBIRD | Iceland | |
| Islas Airways | IF | ISW | PINTADERA | Spain |
| Isle Grande Flying School | IGS | ISLA GRANDE | United States | |
| Islena De Inversiones | WC | ISV | Honduras | |
| Isles of Scilly Skybus | IOS | SCILLONIA | United Kingdom | |
| Israel Aircraft Industries | IAI | ISRAEL AIRCRAFT | Israel | |
| Israeli Air Force | IAF | Israel | ||
| Israir | 6H | ISR | ISRAIR | Israel |
| Istanbul Airlines | IST | ISTANBUL | Turkey | |
| Itali Airlines | FS | ACL | SPADA | Italy |
| Italy First | IFS | RIVIERA | Italy | |
| Itek Air | GI | IKA | ITEK-AIR | Kyrgyzstan |
| Ivoire Aero Services | IVS | IVOIRE AERO | Ivory Coast | |
| Ivoire Airways | IVW | IVOIRAIRWAYS | Ivory Coast | |
| Ivoire Jet Express | IJE | IVOIRE JET | Ivory Coast | |
| Iwamoto Crane Co Ltd | OIC | Japan | ||
| Ixair | IXR | X-BIRD | France | |
| Izair | H9 | IZM | IZMIR | Turkey |
| Izhavia | IZA | IZHAVIA | Russia | |
| Iceland Express | HC | Iceland | ||
| Imperial Cargo Airlines | IMG | IMPERIAL AIRLINES | Ghana | |
| Jet Time | JTF | JETFIN | Finland | |
| Jet Aviation Flight Services Inc | JAS | United States | ||
| Jet Test International | JTN | JET TEST | United States | |
| Jinggong Jet | JGJ | GLOBAL JINGGONG | China | |
| Journey Aviation | JNY | UNIJET-ROCKBAND | United States | |
| Justice Air Charter | JKR | JOKER | United States | |
| Jayawijaya Dirgantara | JWD | Indonesia | ||
| Jet-stream | JSH | STREAM AIR | Hungary | |
| J C Bamford (Excavators) | JCB | JAYSEEBEE | United Kingdom | |
| J P Hunt | RFX | REFLEX | United States | |
| J-Air | XM | J AIR | Japan | |
| JAL Express | JC | JEX | JANEX | Japan |
| JALways | JO | JAZ | JALWAYS | Japan |
| JDAviation | JDA | JAY DEE | United Kingdom | |
| JDP Lux | JDP | RED PELICAN | Luxembourg | |
| JHM Cargo Expreso | JHM | Costa Rica | ||
| JM Family Aviation | TQM | TACOMA | United States | |
| JMC Airlines | MT | JMC | JAYEMMSEE | United Kingdom |
| JSC Transport Automated Information Systems | 1M | Russia | ||
| JS Air | JSJ | JS CHARTER | Pakistan | |
| JS Aviation | JES | JAY-ESS AVIATION | Mexico | |
| Jackson Air Services | JCK | JACKSON | Canada | |
| Jade Cargo International | JI | JAE | JADE CARGO | China |
| Jamahiriya Airways | JAW | JAW | Libya | |
| Jambo Africa Airlines | JMB | JAMBOAFRICA | Democratic Republic of Congo | |
| Janet | WWW | JANET | United States | |
| Jet Sky Cargo and Air Charter | FJX | Kenya | ||
| Jana-Arka | JAK | YANZAR | Kazakhstan | |
| Janair | JAX | JANAIR | United States | |
| Japan Air Commuter | 3X | JAC | COMMUTER | Japan |
| Japan Aircraft Service | JSV | Japan | ||
| Japan Airlines | JL | JAL | JAPANAIR | Japan |
| Japan Airlines Domestic | JL | JAL | J-BIRD | Japan |
| Japan Asia Airways | EG | JAA | ASIA | Japan |
| Japan Transocean Air | NU | JTA | JAI OCEAN | Japan |
| JetSMART | JA | JAT | ROCKSMART | Chile |
| Jatayu Airlines | VJ | JTY | JATAYU | Indonesia |
| Jazeera Airways | J9 | JZR | JAZEERA | Kuwait |
| Jeju Air | 7C | JJA | JEJU AIR | Republic of Korea |
| Jenney Beechcraft | JNY | JENAIR | United States | |
| Jeppesen Data Plan | XLD | United States | ||
| Jeppesen UK | JPN | JETPLAN | United Kingdom | |
| OLT Express | O2 | JEA | JETA | Poland |
| Jet Air Group | JSI | SISTEMA | Russia | |
| Jet Airways | 9W | JAI | JET AIRWAYS | India |
| Jet Airways | QJ | United States | ||
| Jet Aspen Air Lines | JTX | JET ASPEN | United States | |
| Jet Aviation | PP | PJS | JETAVIATION | Switzerland |
| Jet Aviation Business Jets | BZF | BIZFLEET | United States | |
| Jet Aviation Flight Services | JAS | JET SETTER | United States | |
| Jet Center Flight Training | JCF | JET CENTER | Spain | |
| Jet Charter | JCT | JET CHARTER | United States | |
| Jet Connection | JCX | JET CONNECT | Germany | |
| Jet Courier Service | DWW | DON JUAN | United States | |
| Jet East International | JED | JET EAST | United States | |
| Jet Executive International Charter | JEI | JET EXECUTIVE | Germany | |
| Jet Fighter Flights | RZA | RAZOR | Australia | |
| Jet Freighters | CFT | CASPER FREIGHT | United States | |
| Jet G&D Aviation | JGD | JET GEE-AND-DEE | Israel | |
| Jet Line International | MJL | MOLDJET | Moldova | |
| Jet Link | JEK | JET OPS | Israel | |
| Jet Linx Aviation | HTL | HEARTLAND | United States | |
| Jet Linx Aviation | JTL | JET LINX | United States | |
| Jet Norte | JNR | JET NORTE | Mexico | |
| Jet Rent | JRN | JET RENT | Mexico | |
| Jet Story | JDI | JEDI | Poland | |
| Jetstar Asia Airways | 3K | JSA | JETSTAR ASIA | Singapore |
| Jet Stream | JSM | JET STREAM | Moldova | |
| Jet Trans Aviation | JTC | JETRANS | Ghana | |
| Jet-2000 | JTT | MOSCOW JET | Russia | |
| Jet-Ops | OPS | OPS-JET | United Arab Emirates | |
| Jet2.com | LS | EXS | CHANNEX | United Kingdom |
| Jet4You | JFU | ARGAN | Morocco | |
| JetAfrica Swaziland | OSW | BEVO | Swaziland | |
| JetBlue Airways | B6 | JBU | JETBLUE | United States |
| JetMagic | JMG | JET MAGIC | Ireland | |
| Jetmagic | JMK | Malta | ||
| Jet Asia Airways | JF | JAA | JET ASIA | Thailand |
| Jetairfly | JAF | BEAUTY | Belgium | |
| Jetall Holdings | JTL | FIREFLY | Canada | |
| Jetalliance | JAG | JETALLIANCE | Austria | |
| Jetclub | 0J | JCS | JETCLUB | Switzerland |
| Jetconnect | QNZ | QANTAS JETCONNECT | New Zealand | |
| Jetcorp | UEJ | JETCORP | United States | |
| Jetcraft Aviation | JCC | JETCRAFT | Australia | |
| Jetex Aviation | JXA | Lebanon | ||
| Jetflite | JEF | JETFLITE | Finland | |
| Jetfly Airlines | JFL | LINEFLYER | Austria | |
| Jetfly Aviation | JFA | MOSQUITO | Luxembourg | |
| Jetgo International | JIC | JIC-JET | Thailand | |
| Jetlink Express | JLX | KEN JET | Kenya | |
| Jetlink Holland | JLH | Netherlands | ||
| JetNetherlands | JNL | JETNETHERLANDS | Netherlands | |
| Jetnova de Aviación Ejecutiva | JNV | JETNOVA | Spain | |
| Jetpro | JPO | JETPRO | Mexico | |
| Jetran Air | MDJ | JETRAN AIR | Romania | |
| Jetrider International | JRI | JETRIDER | United Kingdom | |
| Jets Ejecutivos | JEJ | MEXJETS | Mexico | |
| Jets Personales | JEP | JET PERSONALES | Spain | |
| Jets Y Servicios Ejecutivos | JSE | SERVIJETS | Mexico | |
| JetsGo | SG | JGO | JETSGO | Canada |
| Jetstar Airways | JQ | JST | JETSTAR | Australia |
| Jetstar Japan | GK | JJP | ORANGE LINER | Japan |
| Jetstar Hong Kong Airways | JM | JKT | KAITAK | China |
| Jetstream Executive Travel | JXT | VANNIN | United Kingdom | |
| JetSuite | RSP | REDSTRIPE | United States | |
| Jett Paqueteria | JPQ | JETT PAQUETERIA | Mexico | |
| Jett8 Airlines Cargo | JX | JEC | TAIPAN | Singapore |
| Jettime | JO | JTG | JETTIME | Denmark |
| Jettrain Corporation | JTN | JETTRAIN | United States | |
| Jetways of Iowa | JWY | JETWAYS | United States | |
| JetX Airlines | GX | JXX | JETBIRD | Iceland |
| Jibair | JIB | JIBAIRLINE | Djibouti | |
| Bristow Helicopters | JSW | HKN | ||
| Jim Ratliff Air Service | RAS | SHANHIL | United States | |
| Joanas Avialinijos | JDG | LADYBLUE | Lithuania | |
| Job Air | JBR | JOBAIR | Czech Republic | |
| Johnson Air | JHN | AIR JOHNSON | United States | |
| Johnsons Air | JON | JOHNSONSAIR | Ghana | |
| Johnston Airways | JMJ | JOHNSTON | United States | |
| Joint Military Commission | JMM | JOICOMAR | Sudan | |
| Jomartaxi Aereo | JMT | JOMARTAXI | Mexico | |
| Jonsson, H Air Taxi | ODI | ODINN | Iceland | |
| Jordan Aviation | R5 | JAV | JORDAN AVIATION | Jordan |
| Jordan International Air Cargo | J4 | JCI | Jordan | |
| Jorvik | JVK | ISLANDIC | Iceland | |
| Jota Aviation | ENZ | ENZO | United Kingdom | |
| Journey Jet | JNJ | JOURNEY JET | Thailand | |
| Ju-Air | JUR | JUNKERS | Switzerland | |
| Juanda Flying School | JFS | JAEMCO | Indonesia | |
| Juba Cargo Services & Aviation Company | JUC | JUBA CARGO | Sudan | |
| Jubba Airways | 6J | JUB | JUBBA | Somalia |
| Jubilee Airways | DKE | DUKE | United Kingdom | |
| Juneyao Airlines | HO | DKH | JUNEYAO AIRLINES | China |
| Justair Scandinavia | MEY | MELODY | Sweden | |
| Justice Prisoner and Alien Transportation System | DOJ | JUSTICE | United States | |
| Kolob Canyons Air Services | 3Q | KCH | KOLOB | United States |
| Kharkiv Airlines | KW | KHK | SUNRAY | Ukraine |
| Kyrgyz Airlines | KGZ | BERMET | Kyrgyzstan | |
| K D Air Corporation | KDC | KAY DEE | Canada | |
| K S Avia | KSA | SKY CAMEL | Latvia | |
| K-Mile Air | KMI | KAY-MILE AIR | Thailand | |
| Kalstar Aviation | KD | KLS | KALSTAR | Indonesia |
| KD Avia | KD | KNI | KALININGRAD AIR | Russia |
| KLM Cityhopper | WA | KLC | CITY | Netherlands |
| KLM Helicopter | KLH | KLM HELI | Netherlands | |
| KLM | KL | KLM | KLM | Netherlands |
| Kabo Air | N2 | QNK | KABO | Nigeria |
| Kahama Mining Corporation | KMC | KAHAMA | Tanzania | |
| Kaiser Air | KAI | KAISER | United States | |
| Kalitta Air | K4 | CKS | CONNIE | United States |
| Kalitta Charters | K9 | KFS | KALITTA | United States |
| Kalitta Charters II | CB* | KFS | KALITTA | United States |
| Kallat El Saker Air Company | KES | KALLAT EL SKER | Libya | |
| Kam Air | RQ | KMF | KAMGAR | Afghanistan |
| Kampuchea Airlines | E2 | KMP | KAMPUCHEA | Cambodia |
| Kanaf-Arkia Airlines | KIZ | Israel | ||
| Kanfey Ha emek Aviation | KHE | KANFEY HAEMEK | Israel | |
| Kansas State University | KSU | K-STATE | United States | |
| Karat | V2 | AKT | AVIAKARAT | Russia |
| Karibu Airways Company | KRB | KARIBU AIR | Tanzania | |
| Karlog Air Charter | KLG | KARLOG | Denmark | |
| Karthago Airlines | KAJ | KARTHAGO | Tunisia | |
| Kartika Airlines | KAE | KARTIKA | Indonesia | |
| Kata Transportation | KTV | KATAVIA | Sudan | |
| Katekavia | KTK | KATEKAVIA | Russia | |
| Kato Airline | KAT | KATO-AIR | Norway | |
| Kavminvodyavia | KV | MVD | AIR MINVODY | Russia |
| Kavouras Inc | XKA | United States | ||
| Kaz Agros Avia | KRN | ANTOL | Kazakhstan | |
| Kaz Air West | KAW | KAZWEST | Kazakhstan | |
| Kazan Aviation Production Association | KAO | KAZAVAIA | Russia | |
| Kazan Helicopters | KPH | KAMA | Russia | |
| Kazavia | KKA | KAKAIR | Kazakhstan | |
| Kazaviaspas | KZS | SPAKAZ | Kazakhstan | |
| Keenair Charter | JFK | KEENAIR | United Kingdom | |
| Kelix Air | KLX | KELIX | Nigeria | |
| Kelner Airways | FKL | KELNER | Canada | |
| Kelowna Flightcraft Air Charter | KFA | FLIGHTCRAFT | Canada | |
| Kendell Airlines | KDA | KENDELL | Australia | |
| Kenmore Air | M5 | KEN | KENMORE | United States |
| Kenn Borek Air | KBA | BOREK AIR | Canada | |
| Kent Aviation | KAH | DEKAIR | Canada | |
| Kenya Airways | KQ | KQA | KENYA | Kenya |
| Kevis | KVS | KEVIS | Kazakhstan | |
| Key Airlines | KEY | KEY AIR | United States | |
| Key Lime Air | LYM | KEY LIME | United States | |
| Keystone Aerial Surveys | FTP | FOOTPRINT | United States | |
| Keystone Air Service | BZ | KEE | KEYSTONE | Canada |
| Khalifa Airways | K6 | KZW | KHALIFA AIR | Algeria |
| Kharkov Aircraft Manufacturing Company | WKH | WEST-KHARKOV | Ukraine | |
| Khazar | KHR | KHAZAR | Turkmenistan | |
| Khoezestan Photros Air Lines | KHP | PHOTROS AIR | Iran | |
| Khoriv-Avia | KRV | KHORIV-AVIA | Ukraine | |
| Khors Aircompany | KHO | AIRCOMPANY KHORS | Ukraine | |
| Khyber Afghan Airlines | KHY | KHYBER | Afghanistan | |
| Kiev Aviation Plant | UAK | AVIATION PLANT | Ukraine | |
| King Aviation | KNG | KING | United Kingdom | |
| Kingfisher Air Services | BEZ | SEA BREEZE | United States | |
| Kingfisher Airlines | IT | KFR | KINGFISHER | India |
| Knighthawk Air Express | KNX | KNIGHT FLIGHT | Canada | |
| Kingston Air Services | KAS | KINGSTON AIR | Canada | |
| Kinnarps | KIP | KINNARPS | Sweden | |
| Kinshasa Airways | KNS | KINSHASA AIRWAYS | Democratic Republic of the Congo | |
| Kirov Air Enterprise | KTA | VYATKA-AVIA | Russia | |
| Kish Air | Y9 | IRK | KISHAIR | Iran |
| Kitty Hawk Aircargo | KHA | AIR KITTYHAWK | United States | |
| Kitty Hawk Airways | KHC | CARGO HAWK | United States | |
| Kiwi International Air Lines | KP | KIA | KIWI AIR | United States |
| Kiwi Regional Airlines | KRA | REGIONAL | New Zealand | |
| Knight Air | KNA | KNIGHTAIR | Canada | |
| Knighthawk Express | KHX | RIZZ | United States | |
| Knights Airlines | KGT | KNIGHT-LINER | Nigeria | |
| Koanda Avacion | KOA | KOANDA | Spain | |
| Koda International | OYE | KODA AIR | Nigeria | |
| Kogalymavia Air Company | 7K | KGL | KOGALYM | Russia |
| Kom Activity | KOM | COMJET | Netherlands | |
| Komiaviatrans State Air Enterprise | KMA | KOMI AVIA | Russia | |
| Komiinteravia | 8J | KMV | KOMIINTER | Russia |
| Komsomolsk-on-Amur Air Enterprise | KNM | KNAAPO | Russia | |
| Koob-Corp - 96 KFT | KOB | AUTOFLEX | Hungary | |
| Korean Air | KE | KAL | KOREANAIR | South Korea |
| Kosmas Air | KMG | KOSMAS CARGO | Serbia | |
| Kosmos | KSM | KOSMOS | Russia | |
| Kosova Airlines | KOS | KOSOVA | Serbia | |
| Kovar Air | WOK | WOKAIR | Czech Republic | |
| Krasnojarsky Airlines | 7B | KJC | KRASNOJARSKY AIR | Russia |
| Kremenchuk Flight College | KFC | KREMENCHUK | Ukraine | |
| Krimaviamontag | KRG | AVIAMONTAG | Ukraine | |
| Kroonk Air Agency | KRO | KROONK | Ukraine | |
| Krylo Airlines | K9 | KRI | Krylo | Russia |
| Krym | KYM | CRIMEA AIR | Ukraine | |
| Krystel Air Charter | OPC | OPTIC | United Kingdom | |
| Kuban Airlines | GW | KIL | AIR KUBAN | Russia |
| Kunpeng Airlines | VD | KPA | KUNPENG | China |
| Kurzemes Avio | KZA | Russia | ||
| Kustbevakningen | KBV | SWECOAST | Sweden | |
| Kuwait Airways | KU | KAC | KUWAITI | Kuwait |
| Kuzu Airlines Cargo | GO | KZU | KUZU CARGO | Turkey |
| Kvadro Aero | QVR | PEGASO | Kyrgyzstan | |
| Kwena Air | KWN | KWENA | South Africa | |
| Kyrgyz Airlines | N5 | KGZ | BERMET | Kyrgyzstan |
| Kyrgyz Trans Avia | KTC | DINARA | Kyrgyzstan | |
| Kyrgyzstan | QH | LYN | ALTYN AVIA | Kyrgyzstan |
| Kyrgyzstan Airlines | R8 | KGA | KYRGYZ | Kyrgyzstan |
| Kyrgyzstan Department of Aviation | DAM | FLIGHT RESCUE | Kyrgyzstan | |
| Kyrgz General Aviation | KGB | KEMIN | Kyrgyzstan | |
| Keewatin Air | FK | KEW | BLIZZARD | Canada |
| Livingstone Executive | AOE | LIVINGSTONE AIR | Italy | |
| Lease Fly | LZF | SKYLEASE | Portugal | |
| Lepl Project Limited | LBR | India | ||
| Liebherr Geschaeftreiseflugzeug | LHB | FAMILY | Germany | |
| Lloyd Aviation | LLD | Venezuela | ||
| Logistic Air | LGA | LOGAIR | Malaysia | |
| Legacy Air | LGC | LEGACY AIR | Thailand | |
| LeTourneau University | JKA | JACKET | United States | |
| Liberty Air | LTY | SKYDECK | Netherlands | |
| Lowlevel | LWL | CUB DRIVER | Portugal | |
| Laminar Air | LAX | Spain | ||
| Libyan Wings | LWA | LIBYAN WINGS | Libya | |
| TAR Aerolineas | YQ | LCT | TAR | Mexico |
| Lynden Air Cargo | LYB | HIGHLANDS | Papua New Guinea | |
| L A Helicopter | LAH | STAR SHIP | United States | |
| L J Aviation | LJY | ELJAY | United States | |
| L R Airlines | LRB | LADY RACINE | Czech Republic | |
| L&L Flygbildteknik | PHO | PHOTOFLIGHT | Sweden | |
| L Express Airlines | LEX | LEX | United States | |
| L-3 Communications Flight International Aviation | FNT | FLIGHT INTERNATIONAL | United States | |
| L.A.B. Flying Service | JF | LAB | LAB | United States |
| LACSA | LR | LRC | LACSA | Costa Rica |
| LADE - Líneas Aéreas Del Estado | LDE | LADE | Argentina | |
| LAI - Línea Aérea IAACA | KG | BNX | AIR BARINAS | Venezuela |
| LATAM Chile | LA | LAN | LAN CHILE | Chile |
| LATAM Argentina | 4M | DSM | LAN AR | Argentina |
| LATAM Cargo Chile | UC | LCO | LAN CARGO | Chile |
| LATAM Colombia | ARE | LAN COLOMBIA | Colombia | |
| LATAM Paraguay | PZ | LAP | PARAGUAYA | Paraguay |
| LAN Dominicana | LNC | LANCANA | Dominican Republic | |
| LATAM Express | LU | LXP | LANEX | Chile |
| LATAM Peru | LP | LPE | LANPERU | Peru |
| LANICA | NI | Nicaragua | ||
| LANSA | LSA | INTERNACIONAL | Dominican Republic | |
| LAP Colombia - Líneas Aéreas Petroleras, S.A. | APT | LAP | Colombia | |
| LASTP | OTN | LASTP | São Tomé and Príncipe | |
| LC Busre | LCB | BUSRE | Peru | |
| Línea Aérea Cuencana | L5 | Ecuador | ||
| LOT Polish Airlines | LO | LOT | POLLOT | Poland |
| LeTourneau University | JKA | JACKET | United States | |
| LTE International Airways | XO | LTE | FUN JET | Spain |
| LTU Austria | L3 | LTO | BILLA TRANSPORT | Austria |
| LTU International | LT | LTU | LTU | Germany |
| LTV Jet Fleet Corporation | JFC | JET-FLEET | United States | |
| LUKoil-Avia | LUK | LUKOIL | Russia | |
| La Ronge Aviation Services | ASK | AIR SASK | Canada | |
| La Valenciana Taxi Aéreo | LVT | TAXIVALENCIANA | Mexico | |
| Labcorp | SKQ | SKYLAB | United States | |
| Labrador Airways | LAL | LAB AIR | Canada | |
| Lagun Air | N6 | JEV | Spain | |
| Lake Havasu Air Service | HCA | HAVASU | United States | |
| Lakeland Aviation | LKL | LAKELAND | United States | |
| Laker Airways | LKR | LAKER | United States | |
| Laker Airways (Bahamas) | LBH | LAKER BAHAMAS | United States | |
| Lamra | LMR | LAMAIR | Sudan | |
| Lanaes Aereas Trans Costa Rica | TCR | TICOS | Costa Rica | |
| Landsflug | ISL | ISLANDIA | Iceland | |
| Langtry Flying Group | PAP | PROFLIGHT | United Kingdom | |
| Lankair | IK | LKN | Lankair | Sri Lanka |
| Lankan Cargo | QL | RLN | AERO LANKA | Sri Lanka |
| Lanza Air | LZA | AEROLANZA | Spain | |
| Lanzarote Aerocargo | LZT | BARAKA | Spain | |
| Lao Skyway | LLL | LAVIE | Lao People s Democratic Republic | |
| Lao Airlines | QV | LAO | LAO | Lao People s Democratic Republic |
| Lao Capricorn Air | LKA | NAKLAO | Lao People s Democratic Republic | |
| Laoag International Airlines | L7 | LPN | LAOAG AIR | Philippines |
| Laredo Air | LRD | LAREDO AIR | United States | |
| LatCharter | LTC | LATCHARTER | Latvia | |
| Latvian Air Force | LAF | LATVIAN AIRFORCE | Latvia | |
| Lauda Air | NG | LDA | LAUDA AIR | Austria |
| LaudaMotion | OE
| LDM |
LAUDA MOTION |
Austria |
|
| Lauda Air Italy | LDI | LAUDA ITALY | Italy | |
| Laughlin Express | LEP | LAUGHLIN EXPRESS | United States | |
| Laus | LSU | LAUS AIR | Croatia | |
| Lawrence Aviation | LAR | LAWRENCE | United States | |
| Layang-Layang Aerospace | LAY | LAYANG | Malaysia | |
| Lease-a-Plane International | LPL | LEASE-A-PLANE | United States | |
| Lebanese Air Transport | LQ | LAQ | LAT | Lebanon |
| Lebanese Air Transport | LAT | LEBANESE AIR | Lebanon | |
| Lebanon Airport Development Corporation | LAD | LADCO-AIR | United States | |
| Lebap | LEB | LEBAP | Turkmenistan | |
| Leconte Airlines | LCA | LECONTE | United States | |
| Leeward Islands Air Transport | LI | LIA | LIAT | Antigua and Barbuda |
| Legend Airlines | LGD | LEGENDARY | United States | |
| Leisure Air | LWD | LEISURE WORLD | United States | |
| Lentini Aviation | LEN | LENTINI | United States | |
| Leo-Air | LOR | LEO CHARTER | South Africa | |
| Leonsa De Aviación | LEL | LEONAVIA | Spain | |
| Level | LV | LVL | LEVEL | Spain and France |
| Libyan Airlines | LYW | LIBYAN AIRWAYS | Libya | |
| Libyan Arab Airlines | LN | LAA | LIBAIR | Libya |
| Libyan Arab Air Cargo | LCR | LIBAC | Libya | |
| Lid Air | LIQ | Sweden | ||
| Lignes Aeriennes Congolaises | LCG | CONGOLAISE | Democratic Republic of the Congo | |
| Lignes Aeriennes Du Tchad | LKD | LATCHAD | Chad | |
| Lignes Mauritaniennes Air Express | LME | LIMAIR EXPRESS | Mauritania | |
| Lignes Nationales Aeriennes - Linacongo | GCB | LINACONGO | Republic of the Congo | |
| Lincoln Air National Guard | GDQ | United States | ||
| Lincoln Airlines | LRT | Australia | ||
| Lindsay Aviation | LSY | LINDSAY AIR | United States | |
| Línea Aérea Costa Norte | NOT | COSTA NORTE | Chile | |
| Línea Aérea Mexicana de Carga | LMC | LINEAS DECARGA | Mexico | |
| Línea Aérea SAPSA | L7 | LNP | SAPSA | Chile |
| Línea Aérea de Fumig Aguas Negras | NEG | AGUAS NEGRAS | Chile | |
| Línea Aérea de Servicio Ejecutivo Regional | QL | LER | LASER | Venezuela |
| Línea De Aeroservicios | LSE | Chile | ||
| Línea Turística Aereotuy | TUY | AEREOTUY | Venezuela | |
| Líneas Aéreas Alaire S.L. | ALR | AEROLAIRE | Spain | |
| Líneas Aéreas Azteca | ZE | LCD | LINEAS AZTECA | Mexico |
| Líneas Aéreas Canedo | LCN | CANEDO | Bolivia | |
| Líneas Aéreas Comerciales | LCM | LINEAS COMERCIALES | Mexico | |
| Líneas Aéreas Ejectuivas De Durango | EDD | LINEAS DURANGO | Mexico | |
| Líneas Aéreas Eldorado | EDR | ELDORADRO | Colombia | |
| Líneas Aéreas Federales | FED | FEDERALES | Argentina | |
| Líneas Aéreas Monarca | LMN | LINEAS MONARCA | Mexico | |
| Líneas Aéreas San Jose | LIJ | LINEAS JOSE | Mexico | |
| Líneas Aéreas del Humaya | UMA | HUMAYA | Mexico | |
| Linex | LEC | LECA | Central African Republic | |
| Linhas Aéreas Santomenses | SMS | SANTOMENSES | São Tomé and Príncipe | |
| Linhas Aéreas de Moçambique | TM | LAM | MOZAMBIQUE | Mozambique |
| Link Airways of Australia | LAW | Australia | ||
| Lion Air Services | WGT | WORLDGATE | United Kingdom | |
| Lion Mentari Airlines | JT | LNI | LION INTER | Indonesia |
| Lions-Air | LEU | LIONSAIR | Switzerland | |
| Lithuanian Air Force | LYF | LITHUANIAN AIRFORCE | Lithuania | |
| Little Red Air Service | LRA | LITTLE RED | Canada | |
| Livingston Energy Flight | LM | LVG | LIVINGSTON | Italy |
| Lloyd Aéreo Boliviano | LB | LLB | LLOYDAEREO | Bolivia |
| Lnair Air Services | LNA | ELNAIR | Spain | |
| Lockheed Air Terminal | XLG | United States | ||
| Lockeed Aircraft Corporation | LAC | LOCKHEED | United States | |
| Lockheed DUATS | XDD | United States | ||
| Lockheed Martin Aeronautics | CBD | CATBIRD | United States | |
| Lockheed Martin Aeronautics Company | LNG | LIGHTNING | United States | |
| Loganair | LM | LOG | LOGAN | United Kingdom |
| Lom Praha Flying School | CLV | AEROTRAINING | Czech Republic | |
| Lomas Helicopters | LMS | LOMAS | United Kingdom | |
| London City Airport Jet Centre | LCY | LONDON CITY | United Kingdom | |
| London Executive Aviation | LNX | LONEX | United Kingdom | |
| London Flight Centre (Stansted) | LOV | LOVEAIR | United Kingdom | |
| London Helicopter Centres | LHC | MUSTANG | United Kingdom | |
| Lone Star Airlines | LSS | LONE STAR | United States | |
| Long Island Airlines | ORA | LONG ISLAND | United States | |
| Longtail Aviation | LGT | LONGTAIL | Bermuda | |
| Lorraine Aviation | LRR | LORRAINE | France | |
| Los Cedros Aviación | LSC | CEDROS | Chile | |
| Lotus Air | TAS | LOTUS FLOWER | Egypt | |
| Luchtvaartmaatschappij Twente | LTW | TWENTAIR | Netherlands | |
| Lucky Air | LKE | LUCKY AIR | China | |
| Luft Carago | LUT | LUGO | South Africa | |
| Luftfahrt-Vermietungs-Dienst | LVD | AIR SANTE | Austria | |
| Luftfahrtgesellschaft Walter | HE | LGW | WALTER | Germany |
| Lufthansa | LH | DLH | LUFTHANSA | Germany |
| Lufthansa Cargo | LH | GEC | LUFTHANSA CARGO | Germany |
| Lufthansa CityLine | CL | CLH | HANSALINE | Germany |
| Lufthansa Systems | L1 | Germany | ||
| Lufthansa | LHT | LUFTHANSA TECHNIK | Germany | |
| Lufttransport | LTF | LUFT TRANSPORT | Norway | |
| Luhansk | LHS | ENTERPRISE LUHANSK | Ukraine | |
| Lund University School of Aviation | UNY | UNIVERSITY | Sweden | |
| Luxair | LG | LGL | LUXAIR | Luxembourg |
| Luxembourg Air Rescue | LXA | LUX RESCUE | Luxembourg | |
| Luxflight Executive | LFE | LUX EXPRESS | Luxembourg | |
| Luxor Air | LXO | Egypt | ||
| Luzair | LUZ | LISBON JET | Portugal | |
| Lviv Airlines | 5V | UKW | UKRAINE WEST | Ukraine |
| Lydd Air | LYD | LYDDAIR | United Kingdom | |
| Lynch Flying Service | LCH | LYNCH AIR | United States | |
| Lynden Air Cargo | L2 | LYC | LYNDEN | United States |
| Lynx Air International | LXF | LYNX FLIGHT | United States | |
| Lynx Aviation | LYX | LYNX AIR | Pakistan | |
| Lynx Aviation | L4 | SSX | SHASTA | United States |
| Línea Aérea Amaszonas | Z8 | AZN | Bolivia | |
| Líneas Aéreas Privadas Argentinas | MJ | LPR | LAPA | Argentina |
| Líneas Aéreas Suramericanas | LAU | SURAMERICANO | Colombia | |
| LongJiang Airlines | LT | SNG | SNOW EAGLE | China |
| Jin Air | LJ | JNA | JIN AIR | South Korea |
| Maldivian (airline) | Q2 | DQA | SKYSURFER | Maldives |
| McMahon Helicopter | MMH | NIGHT RIDER | United States | |
| Mahogany Air Charters | HOG | HOGAN AIR | Zambia | |
| Med Jets | MTS | Mexico | ||
| Minsheng International Jet | MSF | MEINSHENG | China | |
| Millon Express | MXS | MILLON EXPRESS | United States | |
| Maritime Helicopters | MHF | AIR MARITIME | United States | |
| Modern Transporte Aereo De Carga | MWM | MODERNAIR | Brazil | |
| Magnum Air | MSJ | MAGNUM AIR | Philippines | |
| Malawian Airlines 2014 | MWI | MALAWIAN | Malawi | |
| Mann Yadanarpon Airlines | MYP | MANN ROYAL | Myanmar | |
| Memorial Hermann Hospital System | RDK | RED DUKE | United States | |
| Multiservicios Aereos Del Valle | MLV | MULTI VALLE | Mexico | |
| Macau Jet International | MMJ | MACAUJET | China | |
| Maximum Flight Advantages | MXF | MAXFLIGHT | United States | |
| Malindo Airways | OD | MXD | MALINDO EXPRESS | Malaysia |
| Mandarin Air | MJC | AIR MANDA | China | |
| MBK-S | PLG | PILGRIM | Russia | |
| Midwest Aviation | DZR | DOZER | United States | |
| Milenium Air Servicios Aereos Integrados | MSN | Mexico | ||
| Mountain Flyers 80 | MFB | MOUNTAINHELI | Switzerland | |
| My Fair Jet | HTL | HOTLINE | Austria | |
| M & N Aviation | JNH | JONAH | United States | |
| MAC Fotografica | MCF | MAC FOTO | Spain | |
| MANAG AIR | MRG | MANAG AIR | France | |
| MAP-Management and Planung | AQ | MPJ | MAPJET | Austria |
| MAS Airways | TFG | TRAFALGAR | United Kingdom | |
| MasAir | M7 | MAA | MAS CARGA | Mexico |
| MASwings | MH | MWG | MASWINGS | Malaysia |
| MAT Macedonian Airlines | IN | MAK | MAKAVIO | Macedonia |
| MG Aviación | MCC | MAG AVACION | Spain | |
| MIA Airlines | JLA | SALLINE | Romania | |
| MIAT Mongolian Airlines | OM | MGL | MONGOL AIR | Mongolia |
| MIT Airlines | MNC | MUNCIE | Canada | |
| MK Airline | MKA | KRUGER-AIR | Ghana | |
| MNG Airlines | MB | MNB | BLACK SEA | Turkey |
| MSR Flug-Charter | EBF | SKYRUNNER | Germany | |
| MTC Aviación | MCV | MTC AVIACION | Mexico | |
| Mac Aviation | MAQ | MAC AVIATION | Spain | |
| Mac Dan Aviation Corporation | MCN | MAC DAN | United States | |
| MacKnight Airlines | MTD | Australia | ||
| Macair Airlines | CC | MCK | Australia | |
| Macedonian Airlines | MCS | MACAIR | Greece | |
| Madina Air | MDH | MADINA AIR | Libya | |
| Maersk | DM | Denmark | ||
| Magic Blue Airlines | MJB | MAGIC BLUE | Netherlands | |
| Magna Air | MGR | MAGNA AIR | Austria | |
| Mahalo Air | MLH | MAHALO | United States | |
| Mahan Air | W5 | IRM | MAHAN AIR | Iran |
| Mahfooz Aviation | M2 | MZS | MAHFOOZ | Gambia |
| Maine Aviation | MAT | MAINE-AV | United States | |
| Majestic Airlines | MAJ | MAGIC AIR | United States | |
| Mak Air | AKM | MAKAIR | Kazakhstan | |
| Malagasy Airlines | MLG | Madagascar | ||
| Malawi Express | MLX | MALAWI EXPRESS | Malawi | |
| Malaya Aviatsia Dona | MKK | AEROKEY | Russia | |
| Malaysia Airlines | MH | MAS | MALAYSIAN | Malaysia |
| Mali Air | MAE | MALI AIREXPRESS | Austria | |
| Mali Air Express | VXP | AVION EXPRESS | Mali | |
| Mali Airways | MTZ | MALI AIRWAYS | Mali | |
| Malila Airlift | MLC | MALILA | Democratic Republic of the Congo | |
| Mall Airways | MLS | MALL-AIRWAYS | United States | |
| Malmoe Air Taxi | LOD | LOGIC | Sweden | |
| Malmö Aviation | TF | SCW | SCANWING | Sweden |
| Malta Air | MAY | Malta | ||
| Malta Air Charter | R5 | MAC | MALTA CHARTER | Malta |
| Malta Wings | MWS | MALTA WINGS | Malta | |
| Malév Hungarian Airlines | MA | MAH | MALEV | Hungary |
| Manaf International Airways | MLB | MANAF | Burundi | |
| Mandala Airlines | RI | MDL | MANDALA | Indonesia |
| Mandarin Airlines | AE | MDA | MANDARIN | Taiwan |
| Mango | JE | MNO | TULCA | South Africa |
| Manhattan Air | MHN | MANHATTAN | United Kingdom | |
| Manitoulin Air Services | MTO | MANITOULIN | Canada | |
| Mann Air | MNR | TEEMOL | United Kingdom | |
| Mannion Air Charter | MAN | MANNION | United States | |
| Mantrust Asahi Airways | MTS | MANTRUST | Indonesia | |
| Manx Airlines | MNX | MANX | United Kingdom | |
| Maple Air Services | MAD | MAPLE AIR | Canada | |
| March Helicopters | MAR | MARCH | United Kingdom | |
| Marcopolo Airways | MCP | MARCOPOLO | Afghanistan | |
| Marghi Air | MGI | MARGHI | Nigeria | |
| Markair | MRK | MARKAIR | United States | |
| Markoss Aviation | MKO | GOSHAWK | United Kingdom | |
| Mars RK | 6V | MRW | AVIAMARS | Ukraine |
| Marshall Aerospace | MCE | MARSHALL | United Kingdom | |
| Marsland Aviation | M7 | MSL | MARSLANDAIR | Sudan |
| Martin Aviation Services | XMA | United States | ||
| Martin-Baker | MBE | MARTIN | United Kingdom | |
| Martinair | MP | MPH | MARTINAIR | Netherlands |
| Martinaire | MRA | MARTEX | United States | |
| Martyn Fiddler Associates | MFA | SEAHORSE | United Kingdom | |
| Marvin Limited | MVN | MARVIN | United Kingdom | |
| Maryland State Police | TRP | TROOPER | United States | |
| Massachusetts Institute of Technology | MTH | RESEARCH | United States | |
| Massey University School of Aviation | MSY | MASSEY | New Zealand | |
| Master Airways | MSW | MASTER AIRWAYS | Serbia | |
| Master Planner | MPL | United States | ||
| Masterjet | LMJ | MASTERJET | Portugal | |
| Mastertop Linhas Aéreas | Q4 | Brazil | ||
| Mauria | MIA | MAURIA | Mauritania | |
| Mauritanienne Aerienne Et Navale | MNV | NAVALE | Mauritania | |
| Mauritanienne Air Fret | MRF | MAUR-FRET | Mauritania | |
| Mauritanienne Airways | MWY | MAURITANIENNE | Mauritania | |
| Mauritanienne De Transport Aerien | MDE | MAURI-TRANS | Mauritania | |
| Maverick Airways | MVR | MAV-AIR | United States | |
| Mavial Magadan Airlines | H5 | MVL | Mavial | Russia |
| Max Avia | MAI | MAX AVIA | Kyrgyzstan | |
| Max Sea Food | MSF | MAXESA | El Salvador | |
| Max-Aviation | MAX | MAX AVIATION | Canada | |
| Maxair | 8M | MXL | MAXAIR | Sweden |
| Maximus Air Cargo | MXU | CARGO MAX | United Arab Emirates | |
| Maxjet Airways | MY | MXJ | MAX-JET | United States |
| Maxsus-Avia | MXS | MAXSUS-AVIA | Uzbekistan | |
| May Air Xpress | MXP | BEECHNUT | United States | |
| Maya Island Air | MW | MYD | MYLAND | Belize |
| Mayair | 7M | MYI | MAYAIR | Mexico |
| Mbach Air | MBS | MBACHI AIR | Malawi | |
| McAlpine Helicopters | MCH | MACLINE | United Kingdom | |
| McCall Aviation | MKL | MCCALL | United States | |
| McDonnell Douglas | DAC | DACO | United States | |
| McNeely Charter Services | MDS | MID-SOUTH | United States | |
| Med-Trans of Florida | MEK | MED-TRANS | United States | |
| Medavia | MDM | MEDAVIA | Malta | |
| Medical Air Rescue Services | MRZ | MARS | Zimbabwe | |
| Medical Aviation Services | MCL | MEDIC | United Kingdom | |
| Mediterranean Air Freight | MDF | MED-FREIGHT | Greece | |
| Mediterranean Airways | MDY | Egypt | ||
| Medjet International | MEJ | MEDJET | United States | |
| Mega | MGK | MEGLA | Kazakhstan | |
| Mega Linhas Aéreas | MEL | MEGA AIR | Brazil | |
| Mekong Airlines | M8 | MKN | MEKONG AIRLINES | Cambodia |
| Menajet | IM | MNJ | MENAJET | Lebanon |
| Mercer Airlines | United States | |||
| Merchant Express Aviation | MXX | MERCHANT | Nigeria | |
| Mercury Aircourier Service | MEC | MERCAIR | United States | |
| Meridian | POV | AIR POLTAVA | Ukraine | |
| Meridian Air Cargo | MRD | MERIDIAN | United States | |
| Meridian Airlines | MHL | HASSIMAIR | Nigeria | |
| Meridian Aviation | DSL | DIESEL | United Kingdom | |
| Meridian Limited | MEM | MERIDIAN CHERRY | Ukraine | |
| Meridiana | IG | ISS | MERIDIANA | Italy |
| Merlin Airways | MEI | AVALON | United States | |
| Merpati Nusantara Airlines | MZ | MNA | MERPATI | Indonesia |
| Mesa Airlines | YV | ASH | AIR SHUTTLE | United States |
| Mesaba Airlines | XJ | MES | MESABA | United States |
| Meta Linhas Aéreas | MSQ | META | Brazil | |
| Meteorological Research Flight | MET | METMAN | United Kingdom | |
| Methow Aviation | MER | METHOW | United States | |
| Metro Business Aviation | MVI | United Kingdom | ||
| Metro Express | MEX | EAGLE EXPRESS | United States | |
| Metroflight | MTR | METRO | United States | |
| Metrojet | MTJ | METROJET | Hong Kong | |
| Metropix UK | PIX | METROPIX | United Kingdom | |
| Metropolis | MPS | METRO REGIONAL | Netherlands | |
| Mex Blue | MXB | MEX BLUE | Mexico | |
| Mex-Jet | MJT | MEJETS | Mexico | |
| Mexicana de Aviación | MX | MXA | MEXICANA | Mexico |
| México Transportes Aéreos | MXT | TRANSMEX | Mexico | |
| Miami Air Charter | HUR | HURRICANE CHARTER | United States | |
| Miami Air International | LL | BSK | BISCAYNE | United States |
| Miami Valley Aviation | OWL | NIGHT OWL | United States | |
| Miapet-Avia | MPT | MIAPET | Armenia | |
| Michelin Air Services | BIB | France | ||
| Micromatter Technology Solutions | WIZ | WIZARD | United Kingdom | |
| Mid Airlines | NYL | NILE | Sudan | |
| Mid-Pacific Airlines | MPA | MID PAC | United States | |
| Midamerica Jet | MJR | MAJOR | United States | |
| Middle East Airlines | ME | MEA | CEDAR JET | Lebanon |
| Midland Airport Services | MID | United Kingdom | ||
| Midline Air Freight | MFR | MIDLINE FREIGHT | United States | |
| Midstate Airlines | MIS | MIDSTATE | United States | |
| Midway Airlines (1993–2003) | JI | MDW | MIDWAY | United States |
| Midway Airlines (1976–1991) | ML | MDW | MIDWAY | United States |
| Midway Express | FLA | PALM | United States | |
| Midwest Air Freighters | FAX | FAIRFAX | United States | |
| Midwest Airlines | YX | MEP | MIDEX | United States |
| Midwest Airlines (Egypt) | MY | MWA | Egypt | |
| Midwest Aviation | NIT | NIGHTTRAIN | United States | |
| Midwest Aviation Division | MWT | MIDWEST | United States | |
| Midwest Helicopters De Mexico | HTE | HELICOPTERSMEXICO | Mexico | |
| Mihin Lanka | MJ | MLR | MIHIN LANKA | Sri Lanka |
| Millardair | MAB | MILLARDAIR | Canada | |
| Millen Corporation | RJM | MILLEN | United Kingdom | |
| Millennium Air | MLK | NIGERJET | Nigeria | |
| Millennium Airlines | DLK | DEKKANLANKA | Sri Lanka | |
| Miller Flying Services | MFS | MILLER TIME | United States | |
| Million Air | OXO | MILL AIR | United States | |
| Mimino | MIM | MIMINO | Russia | |
| Mina Airline Company | NAB | Egypt | ||
| Minair | OMR | ORMINE | Central African Republic | |
| Minebea Technologies | EBE | MINEBEA | United States | |
| Mines Air Services Zambia | MAZ | MINES | Zambia | |
| Miniliner | MNL | MINILINER | Italy | |
| Ministic Air | MNS | MINISTIC | Canada | |
| Ministry of Agriculture, Fisheries and Food | WDG | WATCHDOG | United Kingdom | |
| Minsk Aircraft Overhaul Plant | LIR | LISLINE | Belarus | |
| Mint Airways | MIC | MINT AIRWAYS | Spain | |
| Miramichi Air Service | MIR | MIRAMICHI | Canada | |
| Miras | MIF | MIRAS | Kazakhstan | |
| Misr Overseas Airways | MOS | Egypt | ||
| Mission Aviation Fellowship | MAF | MISSI | Indonesia | |
| Missionair | MSN | MISIONAIR | Spain | |
| Missions Gouvernemtales Francaises | MRN | MARIANNE | France | |
| Mississippi State University | BDG | BULLDOG | United States | |
| Mississippi Valley Airways | MVA | VALAIR | United States | |
| Mistral Air | M4 | MSA | AIRMERCI | Italy |
| Mobil Oil | MBO | MOBIL | Canada | |
| Mocambique Expresso | MXE | MOZAMBIQUE EXPRESS | Mozambique | |
| Mofaz Air | MFZ | MOFAZ AIR | Malaysia | |
| Mohawk Airlines | MOW | MOHAWK AIR | United States | |
| Mokulele Airlines | MW | MUL | MUKULELE | United States |
| Moldaeroservice | MLE | MOLDAERO | Moldova | |
| Moldavian Airlines | 2M | MDV | MOLDAVIAN | Moldova |
| Moldova | MVG | MOLDOVA-STATE | Moldova | |
| Mombasa Air Safari | RRV | SKYROVER | Kenya | |
| Monarch Airlines | ZB | MON | MONARCH | United Kingdom |
| Monarch Airlines | MNH | MONARCH AIR | United States | |
| Myway Airlines | 8I | Italy | ||
| Moncton Flying Club | MFC | EAST WIND | Canada | |
| Monde Air Charters | MDB | MONDEAIR CARGO | United Kingdom | |
| Monerrey Air Taxi | MTI | MONTERREY AIR | Mexico | |
| Monky Aerotaxis | MKY | MONKY | Mexico | |
| Montenegro Airlines | YM | MGX | MONTENEGRO | Montenegro |
| Montserrat Airways | 5M | MNT | MONTSERRAT | Montserrat |
| Mooney Aircraft Corporation | MNY | MOONEY FLIGHT | United States | |
| Morningstar Air Express | MAL | MORNINGSTAR | Canada | |
| Morris Air Service | MSS | WASATCH | United States | |
| Morrison Flying Service | MRO | MORRISON | United States | |
| Moskovia Airlines | 3R | GAI | GROMOV AIRLINE | Russia |
| Mosphil Aero | MPI | MOSPHIL | Philippines | |
| Motor Sich | M9 | MSI | MOTOR SICH | Ukraine |
| Mount Cook Airlines | NM | NZM | MOUNTCOOK | New Zealand |
| Mountain Air Cargo | MTN | MOUNTAIN | United States | |
| Mountain Air Company | N4 | MTC | MOUNTAIN LEONE | Sierra Leone |
| Mountain Air Express | PKP | PIKES PEAK | United States | |
| Mountain Air Service | BRR | MOUNTAIN AIR | United States | |
| Mountain Bird | MBI | MOUNTAIN BIRD | United States | |
| Mountain High Aviation | MHA | MOUNTAIN HIGH | United States | |
| Mountain Pacific Air | MPC | MOUNTAIN PACIFIC | Canada | |
| Mountain Valley Air Service | MTV | MOUNTAIN VALLEY | United States | |
| Mudan Airlines | MDN | Somali Republic | ||
| Mudanjiang General Aviation | CMJ | MUDANJIANG | China | |
| Multi Taxi | MTX | MULTITAXI | Mexico | |
| Multi-Aero | WBR | WEBER | United States | |
| Multiflight | MFT | YORKAIR | ||
| Murmansk Aircompany | MNZ | MURMAN AIR | Russia | |
| Murray Air | MUA | MURRAY AIR | United States | |
| Musrata Air Transport | MMR | MUSRATA AIR | Libya | |
| Mustique Airways | MAW | MUSTIQUE | Barbados | |
| MyWay Airlines | MYW | MYSKY | Georgia | |
| MyTravel Airways | VZ | MYT | KESTREL | United Kingdom |
| Myanma Airways | UB | UBA | UNIONAIR | Myanmar |
| Myanmar Airways International | 8M | MMA | MYANMAR | Myanmar |
| Minoan Air | MAV | MINOAN | Greece | |
| Myflug | MYA | MYFLUG | Iceland | |
| MyTravel Airways | VKG | VIKING | Denmark | |
| Mann Air Ltd | AAD | Ambassador | United Kingdom | |
| MHS Aviation GmbH | M2 | MHV | SNOWCAP | Germany |
| École Nationale de l Aviation Civile | NAK | ENAC SCHOOL | France | |
| Nine Star Airways | NSR | AIR STAR | Thailand | |
| Northeastern Aviation | NEW | MEADOW FLIGHT | United States | |
| National Center for Atmospheric Research | SIQ | SCIENCE QUEST | United States | |
| Netjets Business Aviation | NEJ | NET BUSINESS | China | |
| NHV Aviation | NHV | Ghana | ||
| Northern Helicopter | NHC | NORTHERN | Germany | |
| Namdeb Diamond Corporation | DMD | DIAMONDJET | Namibia | |
| Niger Airlines |
6N |
NIN | NIGER AIRLINES | Niger |
| Fly Easy | N5 | FEY | FLYEASY | India |
| Nomad Aviation | NUB | VALLETTA | Malta | |
| New Japan Aviation | NJA | SHIN NIHON | Japan | |
| Nor Aviation | ROW | ROTORWING | Norway | |
| NEL Cargo | NLG | NELCARGO | Ivory Coast | |
| NHT Linhas Aéreas | NHG | HELGA | Brazil | |
| NZ Warbirds Association | WAR | WARBIRDS | New Zealand | |
| Nacoia Lda | ANL | AIR NACOIA | Angola | |
| Nada Air Service | NHZ | NADA AIR | Chad | |
| Compangnie Nationale Naganagani | BFN | Burkina Faso | ||
| Nahanni Air Services Ltd | NAH | NAHANNI | Canada | |
| Nakheel Aviation | NKL | NAKHEEL | United Arab Emirates | |
| Namibia Commercial Aviation | MRE | MED RESCUE | Namibia | |
| Namibian Defence Force | NDF | NAMIBIAN AIR FORCE | Namibia | |
| Nanjing Airlines | CNJ | NINGHANG | China | |
| Nantucket Airlines | DV | ACK | ACK AIR | United States |
| Nanyah Aviation | NYA | NANYAH | Israel | |
| Napier Air Service Inc | NAP | NAPIER | United States | |
| Nas Air | NCM | AIR BANE | Angola | |
| Nas Air | P9 | Mali | ||
| Nasair | UE | NAS | NASAIRWAYS | Eritrea |
| Nas Air | Saudi Arabia | |||
| Nashville Jet Charters | NJC | NASHVILLE JET | United States | |
| Natalco Air Lines | NCO | NATALCO | São Tomé and Príncipe | |
| National Air Traffic Controllers Association | NTK | NATCA | United States | |
| National Air Charter | NSR | NASAIR | Indonesia | |
| National Air Traffic Services | RFI | SHERLOCK | United Kingdom | |
| National Airlines | NAN | NATION AIR | United States | |
| National Airlines | N4 | NCN | Chile | |
| National Airlines | N7 | ROK | RED ROCK | United States |
| National Airlines | NA | NAL | NATIONAL | United States |
| National Air Cargo dba National Airlines | N8 | NCR | NATIONAL CARGO | United States |
| NAM Air | IN | NIH | NAM | Indonesia |
| National Airlines | KUS | KUSWAG | South Africa | |
| National Airways Cameroon | 9O | Cameroon | ||
| National Airways Corporation | LFI | AEROMED | South Africa | |
| National Aviation Company | GTY | Egypt | ||
| National Aviation Consultants | TNC | NATCOM | Canada | |
| National Express | NXT | NATIONAL FREIGHT | United States | |
| National Grid plc | GRD | GRID | United Kingdom | |
| National Jet Express | JTE | JETEX | Australia | |
| National Jet Service | AND | AIR INDIANA | United States | |
| National Jet Systems | NC | NJS | NATIONAL JET | Australia |
| National Overseas Airlines Company | NOL | NAT AIRLINE | Egypt | |
| Nationale Luchtvaartschool | NLS | PANDER | Netherlands | |
| Nations Air Express Inc | NAE | NATIONS EXPRESS | United States | |
| Nationwide Airlines | CE | NTW | NATIONWIDE | South Africa |
| Nationwide Airlines (Zambia) | NWZ | ZAMNAT | Zambia | |
| Natural Environment Research Council | EVM | SCIENCE | United Kingdom | |
| Natureair | NRR | NATUREAIR | Costa Rica | |
| Naturelink Charter | NRK | NATURELINK | South Africa | |
| Nav Canada | NVC | NAV CAN | Canada | |
| Nav Flight Planning | NAV | NAV DISPATCH | Czech Republic | |
| Navegacao Aérea De Portugal | NVP | Portugal | ||
| Navegación Servicios Aéreos Canarios S.A. | NAY | NAYSA | Spain | |
| Navid | IRI | NAVID | Iran | |
| Naviera Mexicana | NVM | NAVIERA | Mexico | |
| Navigator Airlines | NVL | NAVLINES | Armenia | |
| Navinc Airlines Services | XNV | United States | ||
| Navitaire | 1N | United States | ||
| Navtech System Support | XNS | Canada | ||
| Nayzak Air Transport | NZA | Libya | ||
| State of Nebraska | NEB | NEBRASKA | United States | |
| Necon Air | NEC | NECON AIR | Nepal | |
| Nederlandse Kustwacht | NCG | NETHERLANDS COASTGUARD | Netherlands | |
| Nefteyugansk Aviation Division | NFT | NEFTEAVIA | Russia | |
| Neiltown Air | NLA | NEILTOWN AIR | Canada | |
| Nelair Charters | NLC | NELAIR | South Africa | |
| Nelson Aviation College | CGE | COLLEGE | New Zealand | |
| Nepal Airlines | RA | RNA | ROYAL NEPAL | Nepal |
| Neos | NO | NOS | MOONFLOWER | Italy |
| Neosiam Airways | TOX | SKY KINGDOM | Thailand | |
| Neric | NSL | NERICAIR | United Kingdom | |
| NetJets | 1I | EJA | EXECJET | United States |
| Network Aviation Services | NET | NETWORK | Nigeria | |
| New England Air Express | NEZ | ENGAIR | United States | |
| New England Airlines | EJ | NEA | NEW ENGLAND | United States |
| New Heights 291 | NHT | NEWHEIGHTS | South Africa | |
| New World Jet Corporation | NWD | NEW WORLD | United States | |
| New York Helicopter | NYH | NEW YORK | United States | |
| New York State Police | GRY | GRAY RIDER | United States | |
| Royal New Zealand Air Force | KRC | KIWI RESCUE | New Zealand | |
| Newair | HVA | HAVEN-AIR | United States | |
| Newfoundland Labrador Air Transport | NLT | NALAIR | Canada | |
| NextJet | 2N | NTJ | NEXTJET | Sweden |
| Nextflight Aviation | NXF | NEXTFLIGHT | United States | |
| Nexus Aviation | NXS | NEXUS AVIATION | Nigeria | |
| Nicaragüense de Aviación | NIS | NICA | Nicaragua | |
| Nicon Airways | NCN | NICON AIRWAYS | Nigeria | |
| Nigeria Airways | NGA | NIGERIA | Nigeria | |
| Nigerian Air Force | NGR | NIGERIAN AIRFORCE | Nigeria | |
| Nigerian Global | NGX | AIR GLOBAL | Nigeria | |
| Night Express | EXT | EXECUTIVE | Germany | |
| Niki | HG | NLY | FLYNIKI | Austria |
| Nikolaev-Air | NKV | AIR NIKOLAEV | Ukraine | |
| Nile Safaris Aviation | NSA | NILE SAFARIS | Sudan | |
| Nile Valley Aviation Company | NVA | Egypt | ||
| Nile Wings Aviation Services | NLW | NILE WINGS | Sudan | |
| Nimbus Aviation | NBS | NIMBUS | United Kingdom | |
| Nippon Cargo Airlines | KZ | NCA | NIPPON CARGO | Japan |
| Nizhnevartovskavia | NVK | VARTOSKAVIA | Russia | |
| Search and Rescue 202 | SRG | United Kingdom | ||
| Search and Rescue 22 | SRD | United Kingdom | ||
| No. 32 (The Royal) Squadron | NOH | NORTHOLT | United Kingdom | |
| No. 84 Squadron RAF | AKG | GRIFTER | United Kingdom | |
| Nobil Air | NBL | NOBIL AIR | Moldova | |
| Nok Air | DD | NOK | NOK AIR | Thailand |
| NokScoot | XW | NCT | BIG BIRD | Thailand |
| Nolinor Aviation | NRL | NOLINOR | Canada | |
| Nomad Aviation | NMD | NOMAD AIR | Namibia | |
| Norcopter | NOC | NORCOPTER | Norway | |
| Nord-Flyg | NEF | NORDEX | Sweden | |
| Nordavia | 5N | AUL | ARCHANGELSK AIR | Russia |
| Nordeste Linhas Aéreas Regionais | JH | NES | NORDESTE | Brazil |
| Nordic Regional | 6N | NRD | NORTH RIDER | Sweden |
| Nordstree (Australia) | NDS | Australia | ||
| Nordwind Airlines | N4 | NWS | NORDLAND | Russia |
| Norestair | NRT | NORESTAIR | Spain | |
| Norfolk Air | N5 | Norfolk Island | ||
| Norfolk County Flight College | NCF | COUNTY | United Kingdom | |
| Norlandair | FNA | NORLAND | Iceland | |
| Norontair | NOA | NORONTAIR | Canada | |
| Norrlandsflyg | HMF | LIFEGUARD SWEDEN | Sweden | |
| Norse Air Charter | NRX | NORSE AIR | South Africa | |
| Norsk Flytjeneste | NIR | NORSEMAN | Norway | |
| Norsk Helikopter | NOR | NORSKE | Norway | |
| Norsk Luftambulanse | DOC | HELIDOC | Norway | |
| Nortavia | RTV | TIC-TAC | Portugal | |
| North Adria Aviation | NAI | NORTH-ADRIA | Croatia | |
| North American Airlines | NA | NAO | NORTH AMERICAN | United States |
| North American Charters | HMR | HAMMER | Canada | |
| North American Jet Charter Group | NAJ | JET GROUP | United States | |
| North Atlantic Air Inc | NAT | MASS AIR | United States | |
| North Atlantic Cargo | NFC | NORTH ATLANTIC | Norway | |
| North British Airlines | NBN | TEESAIR | United Kingdom | |
| North Caribou Flying Service Ltd | NCB | NORTH CARIBOU | Canada | |
| North Coast Air Services Ltd | NCC | NORTH COAST | Canada | |
| North Coast Aviation | N9 | Papua New Guinea | ||
| North Flying | M3 | NFA | NORTH FLYING | Denmark |
| North Sea Airways | NRC | NORTH SEA | Netherlands | |
| North Star Air Cargo | SBX | SKY BOX | United States | |
| North Vancouver Airlines | NRV | NORVAN | Canada | |
| North West Airlines | NWW | HALANT | Australia | |
| North West Geomatics | PTO | PHOTO | Canada | |
| North-East Airlines | NEN | NORTHEAST SWAN | Nigeria | |
| North-West Air Transport Company - Vyborg | VBG | VYBORG AIR | Russia | |
| North-Wright Airways | HW | NWL | NORTHWRIGHT | Canada |
| Northafrican Air Transport | NLL | NORTHAFRICAN AIR | Libya | |
| Northaire Freight Lines | NFL | GREAT LAKES | United States | |
| Northamptonshire School of Flying | NSF | NORTON | United Kingdom | |
| Northcoast Executive Airlines | NCE | TOP HAT | United States | |
| Northeast Airlines | NEE | NORTHEAST | United States | |
| Northeast Aviation | NPX | NORTHEAST EXPRESS | United States | |
| Northern Air Cargo | NC | NAC | YUKON | United States |
| Northern Airlines Sanya | BYC | BEIYA | China | |
| Northern Airways | NDA | NORTHERN DAKOTA | United States | |
| Northern Aviation Service | CMU | LANNA AIR | Thailand | |
| Northern Dene Airways | U7 | Canada | ||
| Northern Executive Aviation | NEX | NEATAX | United Kingdom | |
| Northern Illinois Commuter | NIC | ILLINOIS COMMUTER | United States | |
| Northern Jet Management | NTX | NORTAX | United States | |
| Northern Thunderbird Air | NTA | THUNDERBIRD | Canada | |
| Northland Aviation | KOE | KOKEE | United States | |
| Northstar Aviation | NSS | NORTHSTAR | United States | |
| Northumbria Helicopters | NHL | NORTHUMBRIA | United Kingdom | |
| Northway Aviation Ltd | NAL | NORTHWAY | Canada | |
| Northwest Aero Associates | NWE | United States | ||
| Northwest Airlines | NW | NWA | NORTHWEST | United States |
| Northwest Regional Airlines | FY | NWR | Australia | |
| Northwest Territorial Airways | NWT | TERRITORIAL | Canada | |
| Northwestern Air | J3 | PLR | POLARIS | Canada |
| Northwinds Northern | NWN | NORTHWINDS | Canada | |
| Nortland Air Manitoba | NAM | MANITOBA | Canada | |
| Norwegian Air Shuttle | DY | NAX | NOR SHUTTLE | Norway |
| Norwegian Air UK | DI | NRS | REDNOSE | United Kingdom |
| Norwegian Air Argentina | DN | NAA | NORUEGA | Argentina |
| Norwegian Air International | D8 | IBK | NORTRANS | Ireland |
| Norwegian Long Haul | DU | NLH | NORSTAR | Norway |
| Norwegian Air Norway | DH | NAN | NORSHIP | Norway |
| Norwegian Aviation College | TFN | SPIRIT | Norway | |
| Notams International | XNT | United States | ||
| Nouvel Air Tunisie | BJ | LBT | NOUVELAIR | Tunisia |
| Nova Airline | O9 | NOV | NOVANILE | Sudan |
| Nova Scotia Department of Lands and Forests | PTR | PATROL | Canada | |
| Novair | 1I | NVR | NAVIGATOR | Sweden |
| Novo Air | VQ | NVQ | NOVO AIR | Bangladesh |
| Novogorod Air Enterprise | NVG | SADKO AVIA | Russia | |
| Novosibirsk Aircraft Repairing Plant | NSP | NARPAIR | Russia | |
| Novosibirsk Aviaenterprise | NBE | NAKAIR | Russia | |
| Novosibirsk Aviation Production Association | NPO | NOVSIB | Russia | |
| Noy Aviation | NOY | NOY AVIATION | Israel | |
| Nuevo Continente | N6 | ACQ | AERO CONTINENTE | Peru |
| Nuevo Horizonte Internacional | NHR | NUEVO HORIZONTE | Mexico | |
| Nunasi-Central Airlines | NUN | NUNASI | Canada | |
| Nurman Avia Indopura | NIN | NURVINDO | Indonesia | |
| Nyasa Express | NYS | NYASA | Malawi | |
| NetJets Europe | 1I | NJE | FRACTION | Portugal |
| Spirit Airlines | NK | NKS | SPIRIT WINGS | United States |
| Orange Air | ORN | ORANGE JET | United States | |
| One Airlines | ONS | AIR DREAMS | Chile | |
| Old Dominion Freight Lines | FET | FREIGHT LINE | United States | |
| O Air | OCN | O-BIRD | France | |
| O Connor Airlines | UQ | OCM | OCONNOR | Australia |
| Omni Air Transport | DRL | DRILLER | United States | |
| Owenair | OWE | OWENAIR | South Africa | |
| OSACOM | JPA | J-PAT | United States | |
| Oasis Hong Kong Airlines | O8 | OHK | OASIS | Hong Kong |
| Ocean Air | BCN | BLUE OCEAN | Mauritania | |
| Ocean Airlines | VC | VCX | OCEANCARGO | Italy |
| Ocean Sky (UK) | OCS | OCEANSKY | United Kingdom | |
| Ocean Wings Commuter Service | TUK | TUCKERNUCK | United States | |
| Avianca Brazil | O6 | ONE | OCEANAIR | Brazil |
| Linear Air | O2 | HARPOON | United States | |
| Odessa Airlines | ODS | ODESSA AIR | Ukraine | |
| Office Federal De Aviation Civile | FOC | FOCA | Switzerland | |
| Ogooue Air Cargo | GBO | Gabon | ||
| Okada Airlines | OKJ | OKADA AIR | Nigeria | |
| Okapi Airways | OKP | OKAPI | Democratic Republic of Congo | |
| Okay Airways | OKA | OKAYJET | China | |
| Oklahoma Department of Public Safety | OKL | OKLAHOMA | United States | |
| Olimex Aerotaxi | OLX | OLIMEX | Czech Republic | |
| Olimp Air | KVK | PONTA | Kazakhstan | |
| Olympic Air | OA | OAL | OLYMPIC | Greece |
| Olympic Aviation | OLY | OLAVIA | Greece | |
| Oman Air | WY | OMA | OMAN AIR | Oman |
| Oman Royal Flight | ORF | OMAN | Oman | |
| SalamAir | OV | OMS | MAZOON | Oman |
| Omni - Aviacao e Tecnologia | OAV | OMNI | Portugal | |
| Laudamotion | OE | LDM | LAUDA MOTION | Austria |
| Omni Air International | OY | OAE | OMNI-EXPRESS | United States |
| Omniflys | OMF | OMNIFLYS | Mexico | |
| On Air Limited | ORL | ON AIR | Canada | |
| One Two Go Airlines | OTG | THAI EXPRESS | Thailand | |
| Onetime Airlines Zambia | OTM | ZEDTIME | Zambia | |
| Ontario Ministry of Health | MED | MEDICAL | Canada | |
| Onur Air | 8Q | OHY | ONUR AIR | Turkey |
| Opal Air | OPA | Australia | ||
| Open Sky Aviation | OSA | Lebanon | ||
| OpenSkies | BOS | MISTRAL | United Kingdom | |
| Operadora Turistica Aurora | ORR | TURISTICA AURORA | Mexico | |
| Operadora de Lineas Ejecutivas | OLE | OPERADORA | Mexico | |
| Operadora de Transportes Aéreos | OTP | OPERADORA AEREO | Mexico | |
| Operadora de Veulos Ejectutivos | OPV | OPERADORA DE VUELOS | Mexico | |
| Operation Enduring Freedom | LLO | APOLLO | Canada | |
| Operational Aviation Services | OAX | Australia | ||
| Orange Air Services | ORD | ORANGE SERVICES | Sierra Leone | |
| Orange Air Sierra Leone | ORJ | ORANGE SIERRA | Sierra Leone | |
| Orange Aviation | ORE | ORANGE AVIATION | Israel | |
| Orbit Express Airlines | ORX | OREX | Turkey | |
| Orca Air | ORK | ORCA TAXI | Egypt | |
| Orebro Aviation | BUE | BLUELIGHT | Sweden | |
| Orel State Air Enterprise | ORM | ORPRISE | Russia | |
| Orenburg Airlines | R2 | ORB | ORENBURG | Russia |
| Organizacion De Transportes Aéreos | OTA | ORGANIZACION | Mexico | |
| Organizacoes Mambra | OML | MAMBRA | Angola | |
| Orient Air | OVV | ORIENTSYR | Syrian Arab Republic | |
| Orient Airlines | OTR | ORIENTROC | Sudan | |
| Orient Airways | ORN | ORIENT LINER | Pakistan | |
| Orient Thai Airlines | OX | OEA | ORIENT THAI | Thailand |
| Oriental Air Bridge | NGK | ORIENTAL BRIDGE | Japan | |
| Oriental Airlines | OAC | ORIENTAL AIR | Nigeria | |
| Origin Pacific Airways | QO | OGN | ORIGIN | New Zealand |
| Orion Air Charter | OED | ORION CHARTER | South Africa | |
| Orion-x | OIX | ORIONIX | Russia | |
| Orlan-2000 | KOV | ORLAN | Kazakhstan | |
| Orange Aircraft Leasing | RNG | ORANGE | Netherlands | |
| Orscom Tourist Installations Company | OAD | ORSCOM | Egypt | |
| Osh Avia | OSH | OSH AVIA | Kyrgyzstan | |
| Ostend Air College | OCO | AIR COLLEGE | Belgium | |
| OLT Express Germany | OL | OLT | OLTRA | Germany |
| Odyssey International | ODY | ODYSSEY | Canada | |
| Oulun Tilauslento | FNL | FINN FLIGHT | Finland | |
| Our Airline | ON | RON | OUR AIRLINE | Nauru |
| Out Of The Blue Air Safaris | OOT | OOTBAS | South Africa | |
| Overland Airways | OJ | OLA | OVERLAND | Nigeria |
| ONE AIR | OAR | BOSS AIR | Spain | |
| Oxaero | OXE | OXOE | United Kingdom | |
| Oxford Air Services | WDK | WOODSTOCK | United Kingdom | |
| Oxley Aviation | OAA | Australia | ||
| Ozark Air Lines | OZ | OZR | OZARK | United States |
| Ozjet Airlines | O7 | OZJ | AUSJET | Australia |
| Ohio State University | OSU | SCARLET | United States | |
| Olympic Airlines | OA | OAL | OLYMPIC | Greece |
| Oasis International Airlines | OB | AAN | OASIS | Spain |
| Czech Airlines | OK | CSA | CSA-LINES | Czech Republic |
| [37] | PIP | PNA | ||
| Panama Aircraft Rental and Sales | RSL | PANAMA RENTAL | Panama | |
| Pete Air | NCT | PETE AIR | Thailand | |
| Prime Service Italia | PRT | PRIME ITALIA | Italy | |
| Pacific Coast Jet | PXT | PACK COAST | United States | |
| Phoenix Helicopter Academy | BPH | BLACK PHOENIX | United Kingdom | |
| Pel-Air Aviation | PFY | PELFLIGHT | Australia | |
| Pixair Survey | PXR | PIXAIR | France | |
| Prince Aviation | PNC | PRINCE | Serbia | |
| Primero Transportes Aereos | PMI | AEROEPRIM | Mexico | |
| P & P Floss Pick Manufacturers | KTL | KNOTTSBERRY | South Africa | |
| PAC Air | PCR | PACAIR | United States | |
| PAN Air | PV | PNR | SKYJET | Spain |
| PB Air | 9Q | PBA | PEEBEE AIR | Thailand |
| PDQ Air Charter | PDQ | DISPATCH | United States | |
| PHH Aviation System | XAS | United States | ||
| PLM Dollar Group | PDG | OSPREY | United Kingdom | |
| PLUNA | PU | PUA | PLUNA | Uruguay |
| PMTair | U4 | PMT | MULTITRADE | Cambodia |
| PRT Aviation | PRP | PRONTO | Spain | |
| PSA Airlines | OH | JIA | BLUE STREAK | United States |
| PTL Luftfahrtunternehmen | KST | KING STAR | Germany | |
| Paccair | WIS | WISCAIR | United States | |
| Pace Airlines | Y5 | PCE | PACE | United States |
| Pacific Air Boats | PAB | AIR BOATS | Canada | |
| Pacific Air Charter | PRC | PACIFIC CHARTER | United States | |
| Pacific Air Express | PAQ | SOLPAC | Solomon Islands | |
| Pacific Air Transport | PXP | PAK EXPRESS | United States | |
| Pacific Airlines | BL | PIC | PACIFIC AIRLINES | Vietnam |
| Pacific Alaska Airlines | PAK | PACIFIC ALASKA | United States | |
| Pacific Aviation (Australia) | PCV | PACAV | Australia | |
| Pacific Aviation (United States) | PCX | United States | ||
| Pacific Blue | DJ | PBN | BLUEBIRD | New Zealand |
| Pacific Coast Airlines | PQA | SAGE BRUSH | United States | |
| Pacific Coastal Airlines | 8P | PCO | PASCO | Canada |
| Pacific East Asia Cargo Airlines | Q8 | PEC | PAC-EAST CARGO | Philippines |
| Pacific Flight Services | PFA | PACIFIC SING | Singapore | |
| Pacific International Airlines | PIN | ROAD RUNNERS | United States | |
| Pacific Island Aviation | PSA | PACIFIC ISLE | United States | |
| Pacific Jet | PCJ | PACIFIC JET | United States | |
| Pacific Pearl Airways | PPM | PACIFIC PEARL | Philippines | |
| Pacific Rim Airways | PAR | PACRIM | Australia | |
| Pacific Wings | LW | NMI | TSUNAMI | United States |
| Pacificair | GX | Philippines | ||
| Pacificair Airlines | PFR | PACIFIC WEST | United States | |
| Package Express | RCY | RACE CITY | United States | |
| Paisajes Españoles | PAE | PAISAJES | Spain | |
| Pak West Airlines | PKW | PLATINUM WEST | United States | |
| Pakistan International Airlines | PK | PIA | PAKISTAN | Pakistan |
| Pakker Avio | PKR | PAKKER AVIO | Estonia | |
| Pal Aerolíneas | LPA | LINEASPAL | Mexico | |
| Palau Asia Pacific Airlines | PPC | PALAU ASIAPAC | Palau | |
| Palau Trans Pacific Airlines | GP | PTP | TRANS PACIFIC | Palau |
| Palestinian Airlines | PF | PNW | PALESTINIAN | Egypt |
| Palmer Aviation | JSP | PALMER | United Kingdom | |
| Pamir Airways | NR | PIR | PAMIR | Afghanistan |
| Pan African Airways | PFN | Kenya | ||
| Pan Air | PAX | PANNEX | United States | |
| Pan Am Weather Systems | XPA | United States | ||
| PAWA Dominicana | 7N | PWD | Dominican Republic | |
| Pan American Airways | PN | United States | ||
| Pan American Airways | PA | PAA | United States | |
| Pan American World Airways | PA | PAA | CLIPPER | United States |
| Pan Europeenne Air Service | PEA | France | ||
| Pan Havacilik Ve Ticaret | PHT | PANANK | Turkey | |
| Pan Malaysian Air Transport | PMA | PAN MALAYSIA | Malaysia | |
| Pan-Air | PNC | PANAIRSA | Mexico | |
| Panafrican Airways | PNF | PANWAYS | Ivory Coast | |
| Panagra Airways | PGI | PANAGRA | United States | |
| Panamedia | PEI | PANAMEDIA | Spain | |
| Panavia | PVI | Panama | ||
| Panh | PNH | KUBAN LIK | Russia | |
| Pannon Air Service | PHU | PANNON | Hungary | |
| Panorama | PNM | PANORAMA | Spain | |
| Panorama Air Tour | PAH | LANI | United States | |
| Panorama Flight Service | AFD | AIRFED | United States | |
| Pantanal Linhas Aéreas | P8 | PTN | PANTANAL | Brazil |
| Papair Terminal | HMP | PAPAIR TERMINAL | Haiti | |
| Paradise Airways | PAI | SEA RAY | United States | |
| Paradise Island Airways | PDI | PARADISE ISLAND | United States | |
| Paragon Air Express | PGX | PARAGON EXPRESS | United States | |
| Paragon Global Flight Support | PGF | United Kingdom | ||
| Paramount Airlines | PRR | PARAMOUNT | Sierra Leone | |
| Paramount Airways | I7 | PMW | PARAWAY | India |
| Parcel Express | APE | AIR PARCEL | United States | |
| Pariz Air | IRE | PARIZAIR | Iran | |
| Pars Aviation Service | PRA | PARSAVIA | Iran | |
| Parsa | PST | TURISMO REGIONAL | Panama | |
| Parsons Airways Northern | FAP | Canada | ||
| Pascan Aviation | PSC | PASCAN | Canada | |
| Passaredo Transportes Aéreos | P3 | PTB | PASSAREDO | Brazil |
| Patria Cargas Aéreas | PTC | PATRIA | Argentina | |
| Patriot Aviation Limited | BYT | BYTE | United Kingdom | |
| Patterson Aviation Company | ETL | ENTEL | United States | |
| Pawan Hans | PHE | PAWAN HANS | India | |
| Payam Air | IRP | PAYAMAIR | Iran | |
| Peach Air | KGC | GOLDCREST | United Kingdom | |
| Pearl Air Services | PRL | PEARL SERVICES | Uganda | |
| Pearl Airways | HP | HPA | PEARL AIRWAYS | Haiti |
| Peau Vavaʻu | PVU | PEAU | Tonga | |
| Pecotox Air | PXA | PECOTOX | Moldova | |
| Pegasus Airlines | PC | PGT | SUNTURK | Turkey |
| People s | PE | PEV | PEOPLES | Austria |
| Pegasus Hava Tasimaciligi | 1I | Sunturk | Turkey | |
| Pegasus Helicopters | HAK | HELIFALCON | Norway | |
| Pelican Air Services | PELICAN AIRWAYS | South Africa | ||
| Pelican Express | PEX | PELICAN EXPRESS | United States | |
| Pelita Air Service | PAS | PELITA | Indonesia | |
| Pem-Air | PEM | PEM-AIR | Canada | |
| Pen-Avia | PDY | PENDLEY | United Kingdom | |
| Peninsula Airways | KS | PEN | PENINSULA | United States |
| Peninter Aérea | PNE | PENINTER | Mexico | |
| Penya De L Aire | PCA | PENA DEL AIRE | Spain | |
| Peran | CVT | CVETA | Kazakhstan | |
| Perforadora Central | PCC | PERFORADORA CENTRAL | Mexico | |
| Perimeter Aviation | PAG | PERIMETER | Canada | |
| Perm Airlines | P9 | PGP | PERM AIR | Russia |
| Personas Y Pasquetes Por Air | PPQ | PERSONSPAQ | Mexico | |
| Peruvian Airlines | P9 | PVN | Peru | |
| Peruvian Air Force | FPR | Peru | ||
| Peruvian Navy | INP | Peru | ||
| Petro Air | PEO | PETRO AIR | Libya | |
| Petroleos Mexicanos | PMX | PEMEX | Mexico | |
| Petroleum Helicopters | PHM | PETROLEUM | United States | |
| Petroleum Helicopters de Colombia | PHC | HELICOPTERS | Colombia | |
| Petropavlovsk-Kamchatsk Air Enterprise | PTK | PETROKAM | Russia | |
| Petty Transport | PTY | PETTY | United States | |
| Phenix Aviation | PHV | NEW BIRD | France | |
| Phetchabun Airline | PMY | PHETCHABUN AIR | Thailand | |
| Philippines AirAsia | Z2 | EZD | REDHOT | Philippines |
| Philippine Airlines | PR | PAL | PHILIPPINE | Philippines |
| Philips Aviation Services | PHI | PHILAIR | Netherlands | |
| Phillips Air | BCH | BEACHBALL | United States | |
| Phillips Alaska | PDD | PADA | United States | |
| Phillips Michigan City Flying Service | PHL | PHILLIPS | United States | |
| Phoebus Apollo Aviation | PHB | PHOEBUS | South Africa | |
| Phoebus Apolloa Zambia | KZM | CARZAM | Zambia | |
| Phoenix Air Group | PHA | GRAY BIRD | United States | |
| Phoenix Air Lines | PHN | PHOENIX BRASIL | Brazil | |
| Phoenix Air | PAM | PHOENIX | Germany | |
| Phoenix Air Transport | PPG | PAPAGO | United States | |
| Phoenix Airline Services | WDY | WINDYCITY | United States | |
| Phoenix Airways | HP | Switzerland | ||
| Phoenix Avia | PHY | PHOENIX ARMENIA | Armenia | |
| Phoenix Aviation | PHG | PHOENIX GROUP | Kyrgyzstan | |
| Phoenix Flight Operations | XPX | United States | ||
| Phuket Air | 9R | VAP | PHUKET AIR | Thailand |
| Piedmont Airlines (1948-1989) | PI | PDT | PIEDMONT | United States |
| Piedmont Airlines | PDT | PIEDMONT | United States | |
| Pilatus Flugzeugwerke | PCH | PILATUS WINGS | Switzerland | |
| Pilatus PC-12 Center De Mexico | PLU | PILATUS MEXICO | Mexico | |
| Pimichikamac Air | MKS | MIKISEW | Canada | |
| Pineapple Air | PNP | PINEAPPLE AIR | Bahamas | |
| Pinframat | PIM | PINFRAMAT | Angola | |
| Pinnacle Air Group | PCL | PINNACLE GROUP | United States | |
| Pinnacle Airlines | 9E | FLG | FLAGSHIP | United States |
| Pioneer Airlines | PIO | PIONEER | United States | |
| Pioneers Limited | PER | Pakistan | ||
| Pirinair Express | PRN | PRINAIR EXPRESS | Spain | |
| Planar | PLN | PLANAR | Angola | |
| Planemaster Services | PMS | PLANEMASTER | United States | |
| Planet Airways | PLZ | PLANET | United States | |
| Players Air | PYZ | PLAYERS AIR | United States | |
| Polizeihubschrauberstaffel Hamburg | LIB | LIBELLE | Germany | |
| Plymouth School of Flying | PSF | LIZARD | United Kingdom | |
| Pocono Air Lines | POC | POCONO | United States | |
| Podilia-Avia | PDA | PODILIA | Ukraine | |
| Point Afrique Niger | PAZ | POINTAIR NIGER | Niger | |
| Point Airlines | RMI | POINT AIRLINE | Nigeria | |
| Pointair Burkina | PAW | POINTAIR BURKINA | Burkina Faso | |
| Points of Call Airlines | PTS | POINTSCALL | Canada | |
| Polar Air Cargo | PO | PAC | POLAR | United States |
| Polar Airlines de Mexico | PMO | POLAR MEXICO | Mexico | |
| Polestar Aviation | PSR | POLESTAR | United Kingdom | |
| Polet Airlines | POT | POLET | Russia | |
| Police Aux Frontières | POF | AIRPOL | France | |
| Police Aviation Services | PLC | SPECIAL | United Kingdom | |
| Polish Air Force | PLF | POLISH AIRFORCE | Poland | |
| Polish Navy | PNY | POLISH NAVY | Poland | |
| Polizeifliegerstaffel Nordrhein-Westfalen | NRW | HUMMEL | Germany | |
| Polizeihubschrauberstaffel Niedersachsen | PPH | POLICE PHOENIX | Germany | |
| Polizeihubschrauberstaffel Sachsen-Anhalt | PIK | POLICE IKARUS | Germany | |
| Polizeihubschauberstaffel Rheinland-Pfalz | SRP | SPERBER | Germany | |
| Polizeihubschrauberstaffel Baden-Württemberg | PBW | BUSSARD | Germany | |
| Polizeihubschrauberstaffel Bayern | EDL | POLICE EDELWEISS | Germany | |
| Polizeihubschrauberstaffel Brandenburg | PBB | ADEBAR | Germany | |
| Polizeihubschrauberstaffel Hessen | PHH | IBIS | Germany | |
| Polizeihubschrauberstaffel Mecklenburg-Vorpommern | PMV | POLICE MERLIN | Germany | |
| Polizeihubschrauberstaffel Sachsen | PHS | PASSAT | Germany | |
| Polizeihubschrauberstaffel Thüringen | HBT | HABICHT | Germany | |
| Polo Aviation | CUK | CHUKKA | United Kingdom | |
| Polynesian Air-Ways | PLA | POLYAIR | United States | |
| Polynesian Airlines | PH | PAO | POLYNESIAN | Samoa |
| Polynesian Blue | DJ | PLB | POLYBLUE | New Zealand |
| Polyot Sirena | 1U | Russia | ||
| Pond Air Express | PND | POND AIR | United States | |
| Pont International Airline Services | PSI | PONT | Suriname | |
| Pool Aviation | PLX | POOLEX | United Kingdom | |
| Port Townsend Airways | PTQ | TOWNSEND | United States | |
| Porteadora De Cosola | POR | PORTEADORA | Mexico | |
| Porter Airlines | PD | POE | PORTER | Canada |
| Portugalia | NI | PGA | PORTUGALIA | Portugal |
| Portuguese Air Force | AFP | PORTUGUESE AIR FORCE | Portugal | |
| Portuguese Army | POA | PORTUGUESE ARMY | Portugal | |
| Portuguese Navy | PON | PORTUGUESE NAVY | Portugal | |
| Potomac Air | BK | PDC | DISTRICT | United States |
| Potosina Del Aire | PSN | POTOSINA | Mexico | |
| Powell Air | PWL | POWELL AIR | Canada | |
| Prairie Flying Service | PFS | PRAIRIE | United States | |
| Pratt and Whitney Canada | PWC | PRATT | Canada | |
| Precision Air | PW | PRF | PRECISION AIR | Tanzania |
| Precision Airlines | PRE | PRECISION | United States | |
| Premiair | BAT | BALLISTIC | Luxembourg | |
| Premiair Aviation Services | PGL | PREMIERE | United Kingdom | |
| Premiair Fliyng Club | PME | ADUR | United Kingdom | |
| Premium Air Shuttle | EMI | BLUE SHUTTLE | Nigeria | |
| Premium Aviation | PMU | PREMIUM | Germany | |
| Presidence Du Faso | BFA | Burkina Faso | ||
| Presidencia de La Republica de Guinea Ecuatorial | ONM | Equatorial Guinea | ||
| President Airlines | TO | PSD | Cambodia | |
| Presidential Aviation | PRD | PRESIDENTIAL | United States | |
| Priester Aviation | PWA | PRIESTER | United States | |
| Primair | PMM | PRIMAVIA | Russia | |
| Primaris Airlines | FE | WCP | WHITECAP | United States |
| Primas Courier | PMC | PRIMAC | United States | |
| Primavia Limited | CRY | CARRIERS | United Kingdom | |
| Prime Airlines | PRM | PRIME AIR | United States | |
| Prime Aviation | PKZ | PRAVI | Kazakhstan | |
| Prince Edward Air | CME | COMET | Canada | |
| Princess Air | PJP | |||
| Princeton Aviation Corporation | PCN | PRINCETON | United States | |
| Priority Air Charter | PRY | PRIORITY AIR | United States | |
| Priority Air Transport | PAT | PAT | United States | |
| Priority Aviation Company | BCK | BANKCHECK | United States | |
| Privatair | PTI | PRIVATAIR | Switzerland | |
| Private Jet Expeditions | PJE | PEE JAY | United States | |
| Private Jet Management | PJA | PRIVATE FLIGHT | United States | |
| Private Wings Flugcharter | 8W | PWF | PRIVATE WINGS | Germany |
| Privilege Style Líneas Aéreas | P6 | PVG | PRIVILEGE | Spain |
| Pro Air | PRH | PROHAWK | United States | |
| Pro Air Service | PSZ | POP-AIR | United States | |
| Probiz Guinee | GIY | PROBIZ | Guinea | |
| Professional Express Courier Service | PAD | AIR PROFESSIONAL | United States | |
| Professione VOlare | PVL | VOLARE | Italy | |
| Proflight Zambia | P0 | PFZ | PROFLIGHT-ZAMBIA | Zambia |
| Promotora Industria Totolapa | PTT | TOTOLAPA | Mexico | |
| Propair | PRO | PROPAIR | Canada | |
| Propheter Aviation | PPA | AIR PROP | United States | |
| Proteus Helicopteres | PTH | PROTEUS | France | |
| Providence Airline | PTL | PLANTATION | United States | |
| Providence Aviation Services | AWD | Pakistan | ||
| Provincial Airlines | SPR | SPEEDAIR | Canada | |
| Provincial Express | PRV | PROVINCIAL | Canada | |
| Pskovavia | PSW | PSKOVAVIA | Russia | |
| Psudiklat Perhubungan Udara/PLP | UDA | UDARA | Indonesia | |
| Ptarmigan Airways | PTA | PTARMIGAN | Canada | |
| Publiservicios Aéreos | PSP | PUBLISERVICIOS | Mexico | |
| Publivoo | PUV | PUBLIVOO | Portugal | |
| Puerto Rico National Guard | PNG | United States | ||
| Puerto Vallarta Taxi Aéreo | TXV | TAXIVALLARTA | Mexico | |
| Pulkovo Aircraft Services | PGH | Russia | ||
| Puma Linhas Aéreas | PLY | PUMA BRASIL | Brazil | |
| Puntavia Air Services | PTV | PUNTAVIA | Djibouti | |
| Punto Fa | MGO | MANGO | Spain | |
| Pyramid Air Lines | PYR | PYAIR | Egypt | |
| Pulkovo Aviation Enterprise | FV | PLK | PULKOVO | Russia |
| Primera Air Scandinavia | PRI | PRIMERA | Denmark | |
| Primera Air Nordic | PRW | JETBIRD | Latvia | |
| Quikjet Cargo Airlines | FQA | QUIK LIFT | India | |
| Qatar Executive | QQE | Qatar | ||
| Qanot Sharq | QNT | QANAT SHARQ | Uzbekistan | |
| Qantas | QF | QFA | QANTAS | Australia |
| Qantaslink | QF | QLK | QLINK | Australia |
| Qantaslink | QF | QJE | QJET | Australia |
| Qatar Air Cargo | QAC | QATAR CARGO | Qatar | |
| Qatar Airways | QR | QTR | QATARI | Qatar |
| Qatar Amiri Flight | QAF | AMIRI | Qatar | |
| Qeshm Air | IRQ | QESHM AIR | Iran | |
| Quantex Environmental | QTX | AIR QUANTEX | Canada | |
| Quebec Government Air Service | QUE | QUEBEC | Canada | |
| Queen Air | QNA | QUEEN AIR | Dominican Republic | |
| Quest Diagnostics | LBQ | LABQUEST | United States | |
| Quick Air Jet Charter | QAJ | DAGOBERT | Germany | |
| Quick Airways Holland | QAH | QUICK | Netherlands | |
| Quisqueya Airlines | QAS | QUISQUEYA | Haiti | |
| Qurinea Air Service | QAQ | QURINEA AIR | Libya | |
| Qwest Commuter Corporation | QCC | QWEST AIR | United States | |
| Qwestair | QWA | Australia | ||
| Qwila Air | QWL | Q-CHARTER | South Africa | |
| Ravn Alaska | RVF | RAVEN FLIGHT | United States | |
| RG Aviation | RGV | Venezuela | ||
| Richy Skylark | WHH | Sri Lanka | ||
| Rosen Aviation | KRS | Japan | ||
| Real Aero Club de Vizcaya | VCB | Spain | ||
| Ruili Airlines | RLH | SENDI | China | |
| Rectrix Aviation | RIX | RECTRIX | United States | |
| Rectimo Air Transports | RTO | RACCOON | France | |
| Reut Airways | RUT | YADID | Israel | |
| Rainbow International Airlines | WES | WEST INDIAN | United States | |
| Virgin America | VRD | REDWOOD | United States | |
| Regent Airways | RX | RGE | REGENT | Bangladesh |
| RA Jet Aeroservicios | RJT | RA JET | Mexico | |
| RACSA | R6 | Guatemala | ||
| RAF Barkston Heath | BKH | United Kingdom | ||
| RAF Church Fenton | CFN | CHURCH FENTON | United Kingdom | |
| RAF Coltishall | COH | COLT | United Kingdom | |
| RAF Coningsby | CBY | TYPHOON | United Kingdom | |
| RAF Cottesmore | COT | COTTESMORE | United Kingdom | |
| RAF Cranwell | CWL | CRANWELL | United Kingdom | |
| RAF Kinloss | KIN | KINLOSS | United Kingdom | |
| RAF Leeming | LEE | JAVELIN | United Kingdom | |
| RAF Leuchars | LCS | LEUCHARS | United Kingdom | |
| RAF Linton-on-Ouse | LOP | LINTON ON OUSE | United Kingdom | |
| RAF Lossiemouth | LOS | LOSSIE | United Kingdom | |
| RAF Marham | MRH | MARHAM | United Kingdom | |
| RAF Northwood | NWO | United Kingdom | ||
| RAF Scampton | SMZ | SCAMPTON | United Kingdom | |
| RAF St Athan | STN | SAINT ATHAN | United Kingdom | |
| RAF St Mawgan | SMG | United Kingdom | ||
| RAF Topcliffe | TOF | TOPCLIFFE | United Kingdom | |
| RAF Valley | VYT | ANGLESEY | United Kingdom | |
| RAF Valley | VLL | United Kingdom | ||
| RAF Waddington | WAD | VULCAN | United Kingdom | |
| RAF Wittering | WIT | STRIKER | United Kingdom | |
| RAF-Avia | MTL | MITAVIA | Latvia | |
| RAK Airways | RKM | RAKAIR | United Arab Emirates | |
| RWL Luftfahrtgesellschaft | RWL | RHEINTRAINER | Germany | |
| Rabbit-Air | RBB | RABBIT | Switzerland | |
| Race Cargo Airlines | ACE | Fastcargo | Ghana | |
| Rader Aviation | GBR | GREENBRIER AIR | United States | |
| Radixx | 1D | United States | ||
| Raji Airlines | RAJ | RAJI | Pakistan | |
| Raleigh Flying Service | RFA | RALEIGH SERVICE | United States | |
| Ram Air Freight | REX | RAM EXPRESS | United States | |
| Ram Aircraft Corporation | RMT | RAM FLIGHT | United States | |
| Ramp 66 | PPK | PELICAN | United States | |
| Rangemile Limited | RGM | RANGEMILE | United Kingdom | |
| Raslan Air Service | MWR | RASLAN | Egypt | |
| Rath Aviation | RAQ | RATH AVIATION | Austria | |
| Ratkhan Air | CSM | LORRY | Kazakhstan | |
| Raven Air | RVR | RAVEN | United Kingdom | |
| Raven Air | RVN | RAVEN U-S | United States | |
| Ray Aviation | REI | RAY AVIATION | Israel | |
| Raya Jet | RYT | Jordan | ||
| Raytheon Aircraft Company | RTN | RAYTHEON | United States | |
| Raytheon Corporate Jets | RCJ | NEWPIN | United Kingdom | |
| Raytheon Travel Air | KSS | KANSAS | United States | |
| Real Aero Club De Baleares | RCB | BALEARES | Spain | |
| Real Aero Club de Reus-Costa Dorado | CDT | AEROREUS | Spain | |
| Real Aeroclub De Ternerife | RCD | AEROCLUB | Spain | |
| Real Aviation | RLV | REAL | Ghana | |
| Rebus | REB | REBUS | Bulgaria | |
| Red Aviation | PSH | PASSION | United Kingdom | |
| Red Baron Aviation | RBN | RED BARON | United States | |
| Red Devils Parachute Display Team | DEV | RED DEVILS | United Kingdom | |
| Red Sea Aviation | RDV | RED AVIATION | Egypt | |
| Red Sky Ventures | RSV | RED SKY | Namibia | |
| Red Star | STR | STARLINE | United Arab Emirates | |
| Redhill Aviation | 8L | RHC | REDAIR | United Kingdom |
| Reed Aviation | RAV | REED AVIATION | United Kingdom | |
| Reef Air | REF | REEF AIR | New Zealand | |
| Reem Air | V4 | REK | REEM AIR | Kyrgyzstan |
| Reeve Aleutian Airways | RVV | REEVE | United States | |
| Regal Bahamas International Airways | RBH | CALYPSO | Bahamas | |
| Regency Airlines | RGY | REGENCY | United States | |
| Regent Air | RAH | REGENT | Canada | |
| Regio Air | RAG | GERMAN LINK | Germany | |
| Region Air | RGR | REGIONAIR | Canada | |
| Regional 1 | TSH | TRANSCANADA | Canada | |
| Regional Air | RIL | Mauritania | ||
| Regional Air Express | REW | REGIONAL WINGS | Germany | |
| Regional Air Services | REG | REGIONAL SERVICES | Tanzania | |
| Regional Air Lines | FN | RGL | MAROC REGIONAL | Morocco |
| Regional Express | ZL | RXA | REX | Australia |
| Regional Geodata Air | JJM | GEODATA | Spain | |
| Regional Paraguaya | P7 | REP | REGIOPAR | Paraguay |
| RegionsAir | 3C | CEA | CORP-X | United States |
| Reliance Aviation | REL | RELIANCE AIR | United States | |
| Reliant Airlines | RLT | RELIANT | United States | |
| Relief Transport Services | RTS | RELIEF | United Kingdom | |
| Renan | RAN | RENAN | Moldova | |
| Reno Air | ROA | RENO AIR | United States | |
| Renown Aviation | RGS | RENOWN | United States | |
| Republic Airlines | RW | RPA | BRICKYARD | United States |
| Republic Express Airlines | RH | RPH | PUBLIC EXPRESS | Indonesia |
| Republicair | RBC | REPUBLICAIR | Mexico | |
| Resort Air | RST | RESORT AIR | United States | |
| Rhoades Aviation | RDS | RHOADES EXPRESS | United States | |
| Riau Airlines | RIU | RIAU AIR | Indonesia | |
| Rich International Airways | RIA | RICHAIR | United States | |
| Richards Aviation | RVC | RIVER CITY | United States | |
| Richardson s Airway | RIC | RICHARDSON | United States | |
| Richland Aviation | RCA | RICHLAND | United States | |
| Rick Lucas Helicopters | HPR | HELIPRO | New Zealand | |
| Rico Linhas Aéreas | C7 | RLE | RICO | Brazil |
| Ridder Avia | RID | AKRID | Kazakhstan | |
| Riga Airclub | RAK | SPORT CLUB | Latvia | |
| Rijnmond Air Services | RAZ | RIJNMOND | Netherlands | |
| Rikspolisstyrelsen | POL | Sweden | ||
| Rimrock Airlines | RIM | RIMROCK | United States | |
| Rio Air Express | SKA | RIO EXPRESS | Brazil | |
| Rio Airways | REO | RIO | United States | |
| Rio Grande Air | E2 | GRN | GRANDE | United States |
| Rio Linhas Aéreas | RL | RIO | RIO | Brazil |
| Rio Sul Serviços Aéreos Regionais | SL | RSL | RIO SUL | Brazil |
| River Ministries Air Charter | RVM | RIVER | South Africa | |
| River State Government of Nigeria | RGP | GARDEN CITY | Nigeria | |
| Rivne Universal Avia | UNR | RIVNE UNIVERSAL | Ukraine | |
| Roadair Lines | RDL | ROADAIR | Canada | |
| Robinton Aero | RBT | ROBIN | Dominican Republic | |
| Vision Airlines | V2 | RBY | RUBY | United States |
| Roblex Aviation | ROX | ROBLEX | United States | |
| Rockwell Collins Avionics | RKW | ROCKWELL | United States | |
| Rocky Mountain Airlines | ROC | Canada | ||
| Rocky Mountain Airways | RMA | ROCKY MOUNTAIN | United States | |
| Rocky Mountain Holdings | LIF | LIFECARE | United States | |
| Rodze Air | RDZ | RODZE AIR | Nigeria | |
| Rog-Air | FAD | AIR FRONTIER | Canada | |
| Rollright Aviation | RRZ | ROLLRIGHT | United Kingdom | |
| Rolls-Royce Limited | RRL | MERLIN | United Kingdom | |
| Rolls-Royce plc | BTU | ROLLS | United Kingdom | |
| Romanian Air Force | ROF | ROMAF | Romania | |
| Romavia | RMV | AEROMAVIA | Romania | |
| Ronso | RNS | RONSO | Mexico | |
| Roraima Airways | ROR | RORAIMA | Guyana | |
| Rosneft-Baltika | RNB | ROSBALT | Russia | |
| Ross Aviation | NRG | ENERGY | United States | |
| Rossair | RFS | Australia | ||
| Rossair | RSS | ROSS CHARTER | South Africa | |
| Rossair Europe | ROS | CATCHER | Netherlands | |
| Rossiya | FV | SDM | RUSSIA | Russia |
| Roswell Airlines | RAL | ROSWELL | United States | |
| Air Rarotonga | GZ | RAR | AIR RAROTONGA | Cook Islands |
| Rotatur | RTR | ROTATUR | Brazil | |
| Rotormotion | RKT | ROCKET | United Kingdom | |
| Rotterdam Jet Center | JCR | ROTTERDAM JETCENTER | Netherlands | |
| Rover Airways International | ROV | ROVERAIR | United States | |
| Rovos Air | VOS | ROVOS | South Africa | |
| Royal Air Cargo | RCG | ROYAL CARGO | South Africa | |
| Royal Air Force | RR | RFR | RAFAIR | United Kingdom |
| Royal Air Force of Oman | RS | MJN | MAJAN | Oman |
| Royal Air Force | ACW | AIR CADET | United Kingdom | |
| Royal Air Force | RRR | ASCOT | United Kingdom | |
| Royal Air Force | RRF | KITTY | United Kingdom | |
| Royal Air Force | SHF | VORTEX | United Kingdom | |
| Royal Air Freight | RAX | AIR ROYAL | United States | |
| Royal Air Maroc | AT | RAM | ROYALAIR MAROC | Morocco |
| Royal Airlines | R0 | RPK | ROYAL PAKISTAN | Pakistan |
| Royal American Airways | RLM | ROYAL AMERICAN | United States | |
| Royal Aruban Airlines | V5 | RYL | ROYAL ARUBAN | Aruba |
| Royal Australian Air Force | ASY | AUSSIE | Australia | |
| Royal Aviation Express | RXP | ROY EXPRESS | Canada | |
| Royal Bahrain Airlines | RYB | ROYAL BAHRAIN | Bahrain | |
| Royal Brunei Airlines | BI | RBA | BRUNEI | Brunei |
| Royal Daisy Airlines | KDR | DARLINES | Uganda | |
| Royal Ghanaian Airlines | RGA | ROYAL GHANA | Ghana | |
| Royal Jet | ROJ | ROYALJET | United Arab Emirates | |
| Royal Jordanian | RJ | RJA | JORDANIAN | Jordan |
| Royal Jordanian Air Force | RJZ | JORDAN AIR FORCE | Jordan | |
| Skyview Airways | RK | RCT | GREENSKY | THAILAND |
| Royal Khmer Airlines | RK | RKH | KHMER AIR | Cambodia |
| Royal Malaysian Air Force | RMF | ANGKASA | Malaysia | |
| Royal Navy | NVY | NAVY | United Kingdom | |
| Royal Netherland Navy | NRN | NETHERLANDS NAVY | Netherlands | |
| Royal Netherlands Air Force | NAF | NETHERLANDS AIR FORCE | Netherlands | |
| Royal New Zealand Air Force | KIW | KIWI | New Zealand | |
| Royal Norwegian Air Force | NOW | NORWEGIAN | Norway | |
| Royal Oman Police | ROP | Oman | ||
| Royal Phnom Penh Airways | RL | PPW | PHNOM-PENH AIR | Cambodia |
| Royal Rwanda Airlines | RRA | ROYAL RWANDA | Rwanda | |
| Royal Saudi Air Force | RSF | ARSAF | Saudi Arabia | |
| Royal Sky | RYS | ROYAL SKY | Thailand | |
| Royal Swazi National Airways | RSN | SWAZI NATIONAL | Swaziland | |
| Royal Tongan Airlines | WR | HRH | TONGA ROYAL | Tonga |
| Royal West Airlines | RWE | ROYAL WEST | United States | |
| Rubystar | RSB | RUBYSTAR | Belarus | |
| Rumugu Air & Space Nigeria | RMG | RUMUGU AIR | Nigeria | |
| Rusaero | RUR | Russia | ||
| Rusaero | KLE | Russia | ||
| Rusair | CGI | CGI-RUSAIR | Russia | |
| Rusich-T | RUH | Russia | ||
| Rusline | RLU | RUSLINE AIR | Russia | |
| Russian Aircraft Corporation-MiG | MIG | MIG AVIA | Russia | |
| Russian Federation Air Force | RFF | RUSSIAN AIRFORCE | Russia | |
| Russian Sky Airlines | P7 | ESL | RADUGA | Russia |
| Rusuertol | RUZ | ROSTUERTOL | Russia | |
| Rutas Aéreas | RUC | RUTACA | Venezuela | |
| Rutland Aviation | RND | RUTLAND | United Kingdom | |
| Rwanda Airlines | RUA | Rwanda | ||
| Rwanda Airways | RWA | Rwanda | ||
| Rwandair Express | WB | RWD | RWANDAIR | Rwanda |
| Ryan Air Service | 7S | RCT | ARCTIC TRANSPORT | United States |
| Ryan Air Services | RYA | RYAN AIR | United States | |
| Ryan International Airlines | RD | RYN | RYAN INTERNATIONAL | United States |
| Ryanair | FR | RYR | RYANAIR | Ireland |
| Ryazan State Air Enterprise | RYZ | RYAZAN AIR | Russia | |
| Rynes Aviation | RAA | RYNES AVIATION | United States | |
| Régional Compagnie Aérienne Européenne | YS | RAE | REGIONAL EUROPE | France |
| RVL Group | REV | ENDURANCE | United Kingdom | |
| UVT Aero | RT | BUG | Russia | |
| Servicios Aereos Ominia | OMN | SERVIOMNIA | Mexico | |
| Servicios de Aviacion Sierra | SEN | SERVISIERRA | Mexico | |
| SGC Aviation | SGC | SAINT GEORGE | Austria | |
| Siamjet Aviation | SCJ | SIAMJET | Thailand | |
| Sixt Rent A Car | SIX | DRIVE ORANGE | United States | |
| Solenta Aviation Ghana | SOG | Ghana | ||
| SR Jet | QSR | SPARKLE ROLL | China | |
| Corsairfly | SS | CRL | CORSAIR | France |
| Spiracha Aviation | KBN | KABIN | Thailand | |
| Southern Illinois University | CBN | CARBONDALE | United States | |
| Springfield Air | IBG | ICE BRIDGE | United States | |
| Seneca College | BZQ | STING | Canada | |
| Sparc Avia | BVV | SPARC | Russia | |
| Sino Jet Management | SJM | SINO SKY | China | |
| Seychelles Airlines | SCH | OCEAN BIRD | Seychelles | |
| San Carlos Flight Center | BYF | BAY FLIGHT | United States | |
| Servicios de Taxi Aereos | SXT | SERTAXI | Mexico | |
| Scoot | TR | TGW | SCOOTER | Singapore |
| Spring Airlines Japan | IJ | SJO | JEY SPRING | Japan |
| SIBIA Aircompany Ltd | SBD | SIBIA | Russia | |
| Smartlynx Airlines | 6Y | ART | SMART LYNX | Latvia |
| Smartlynx Airlines Estonia | MYX | TALLINN CAT | Estonia | |
| Smartwings | QS | TVS | SKYTRAVEL | Czech Republic |
| Servicios Aereos Especializados Destina | DES | DESTINA | Mexico | |
| Servicios Aereos Fun Fly | LSV | SERVIFUN | Mexico | |
| Sabaidee Airways | E3 | VGO | VIRGO | Thailand |
| Safe Air Company | SAQ | Kenya | ||
| Sanborn Map Company | SMU | SPRINGER | United States | |
| Siam Airnet | RBR | SIAM AIRNET | Thailand | |
| Siavia | SVB | SIAVIA | Slovenia | |
| Skargardshavets Helikoptertjanst | MHQ | HELICARE | Finland | |
| Sky Bishek | BIS | JUMA AIR | Kyrgyzstan | |
| Sky Handling | SYH | Ukraine | ||
| Sky Lease Cargo | GG | KYE | SKY CUBE | United States |
| Sky Prim Air | KPM | SKY PRIMAIR | Molodva | |
| Skybus Jet | BSJ | SKYBUS JET | Bahamas | |
| SkyGreece Airlines | GW | SGR | SKYGREECE | Greece |
| Special Aviation Works | USW | AKSAR | Uzbekistan | |
| Sharp Airlines | SH | SHA | SHARP | Australia |
| Shree Airlines | N9 | SHA | SHREEAIR | Nepal |
| Sylt Air GmbH | 7E | AWU | SYLT-AIR | Germany |
| Samoa Air | OL | SZB | SAMOA | Samoa |
| State Air Company Berkut | BEC | Kazakhstan | ||
| SATA International | S4 | RZO | AIR AZORES | Portugal |
| South African Airways | SA | SAA | SPRINGBOK | South Africa |
| Sky Messaging | KYD | SKYAD | South Africa | |
| Sky Way Air | SAB | SKY WORKER | Kyrgyzstan | |
| Sky Regional Airlines | KV | SKV | MAPLE | Canada |
| SASCO Airlines | SAC | SASCO | Sudan | |
| SOS Flygambulans | SAG | MEDICAL AIR | Sweden | |
| Sayakhat Airlines | W7 | SAH | SAYAKHAT | Kazakhstan |
| Shaheen Air International | NL | SAI | SHAHEEN AIR | Pakistan |
| SAM Colombia | MM | SAM | SAM | Colombia |
| Servicios Aéreos Nacionales | SAN | AEREOS | Ecuador | |
| Sahel Aviation Service | SAO | SAVSER | Mali | |
| Secretaria de Marina | ANX | SECRETARIA DEMARINA | Mexico | |
| Springbank Aviation | SAQ | SPRINGBANK | Canada | |
| Scandinavian Airlines | SK | SAS | SCANDINAVIAN | Sweden, Denmark and Norway |
| Samal Air | SAV | Kazakhstan | ||
| Sham Wing Airlines | SAW | SHAMWING | Syrian Arab Republic | |
| Sabah Air | SAX | SABAH AIR | Malaysia | |
| ScotAirways | SAY | SUCKLING | United Kingdom | |
| Swiss Air-Ambulance | SAZ | SWISS AMBULANCE | Switzerland | |
| SOL Linhas Aéreas | SBA | SOL | Brazil | |
| Sol del Paraguay | PI | SGU | SOLPARAGUAYO | Paraguay |
| STA-MALI | SBA | STA-MALI | Mali | |
| Steinman Aviation | SBB | SABER EXPRESS | United States | |
| SevenAir | UG | SEN | S-BAR | United States |
| Seven Bar Flying Service | SBF | SEVENAIR | Tunisia | |
| Sabre Incorporated | SBG | United States | ||
| S7 Airlines | S7 | SBI | SIBERIAN AIRLINES | Russia |
| Sobel Airlines of Ghana | SBL | SOBGHANA | Ghana | |
| SkyBahamas | Q7 | SBM | SKY BAHAMAS | Bahamas |
| Stabo Air | SBO | STABAIR | Zambia | |
| SmithKline Beecham Clinical Labs | SBQ | SKIBBLE | United States | |
| Saber Aviation | SBR | FREIGHTER | United States | |
| Seaborne Airlines | BB | SBS | SEABORNE | United States |
| St Barth Commuter | PV | SBU | BLACK FIN | France |
| Star Air | URJ | STARAV | Pakistan | |
| Scibe Airlift | SBZ | SCIBE AIRLIFT | Democratic Republic of the Congo | |
| Spanish Air Force | AME | AIRMIL | Spain | |
| South Central Air | SCA | SOUTH CENTRAL | United States | |
| Seacoast Airlines | SCC | SEA-COASTER | United States | |
| SeaPort Airlines | K5 | SQH | SASQUATCH | United States |
| Scenic Airlines | SCE | SCENIC | United States | |
| Socofer | SCF | SOCOFER | Angola | |
| Servicios Aéreos San Cristóbal | SCI | SAN CRISTOBAL | Mexico | |
| Sky Cam | SCK | SKYCAM | France | |
| Switfair Cargo | W3 | SCL | SWIFTAIR | Canada |
| Saigon Capital Aircraft Management | SCB | SAIGON | Netherlands | |
| South American Airlines | SCN | SOUTH AMERICAN | Peru | |
| Servicios Aéreos de Chihuahua Aerochisa | AHI | AEROCHISA | Mexico | |
| Servicios Aéreos de los Andes | FP | AND | SERVI ANDES | Peru |
| SriLankan Airlines | UL | ALK | SRILANKAN | Sri Lanka |
| Sunbird Airlines | CDL | CAROLINA | United States | |
| Scorpio Aviation | SCP | SCORPIO | Egypt | |
| OSM Aviation Academy | SCQ | SCAVAC | Norway, Sweden and San Diego | |
| SFS Aviation | SIC | SICHART | Thailand | |
| Silver Cloud Air | SCR | SILVER CLOUD | Germany | |
| South African Non Scheduled Airways | SCS | SOUTHERN CHARTERS | South Africa | |
| SAAB-Aircraft | SCT | SAAB-CRAFT | Sweden | |
| Servicios Aéreos Del Centro | SCV | SACSA | Mexico | |
| Sun Country Airlines | SY | SCX | SUN COUNTRY | United States |
| St. Andrews Airways | SDA | SAINT ANDREWS | Canada | |
| Sukhoi Design Bureau Company | SDB | SU-CRAFT | Russia | |
| Sunrise Airlines | SDC | SUNDANCE | United States | |
| Skymaster Air Taxi | SDD | SKY DANCE | United States | |
| Air Partners Corp. | SDE | STAMPEDE | Canada | |
| Sundorph Aeronautical Corporation | SDF | SUNDORPH | United States | |
| Servicio De Helicopteros | SDH | ARCOS | Spain | |
| SADELCA - Sociedad Aérea Del Caquetá | SDK | SADELCA | Colombia | |
| Skydrift | SDL | SKYDRIFT | United Kingdom | |
| Spirit of Africa Airlines | SDN | BLUE NILE | Sudan | |
| Sud Airlines | SDU | SUD LINES | France | |
| Servicios Aéreos Del Vaupes | SDV | SELVA | Colombia | |
| Servicio Tecnico Aero De Mexico | SDX | SERVICIO TECNICO | Mexico | |
| Sudan Pezetel for Aviation | SDZ | SUDANA | Sudan | |
| Southeast Air | SEA | SOUTHEAST AIR | United States | |
| Servicios Aéreos Luce | SEB | SERVILUCE | Mexico | |
| Sedona Air Center | SED | SEDONA AIR | United States | |
| Shaheen Air Cargo | SEE | SHAHEEN CARGO | Pakistan | |
| Sky Express | SEH | AIR CRETE | Greece | |
| Spicejet | SG | SEJ | SPICEJET | India |
| Skyjet | SEK | SKALA | Kazakhstan | |
| Sentel Corporation | SEL | SENTEL | United States | |
| Selcon Airlines | SEO | SELCON AIR | Nigeria | |
| Sky Eyes | I6 | SEQ | SKY EYES | Thailand |
| Servicio Aéreo Saltillo | SES | SERVISAL | Mexico | |
| SAETA | EH | SET | SAETA | Ecuador |
| Serair Transworld Press | SEV | CARGOPRESS | Spain | |
| SEFA | SFA | SEFA | France | |
| Shuswap Flight Centre | SFC | SHUSWAP | Canada | |
| Sefofane Air Charters | SFE | SEFOFANE | Botswana | |
| Safewings Aviation Company | SFF | SWIFTWING | United States | |
| Sun Freight Logistics | SFG | AERO GULF | Thailand | |
| Star Flyer | 7G | SFJ | STARFLYER | Japan |
| Southflight Aviation | SFL | SOUTHFLIGHT | New Zealand | |
| Safiran Airlines | SFN | SAFIRAN | Iran | |
| Safe Air | SFP | SAFE AIR | Pakistan | |
| Safair | FA | SFR | CARGO | South Africa |
| Southern Frontier Air Transport | SFS | SOUTHERN FRONTIER | Canada | |
| Skyfreight | SFT | SKYFREIGHT | United States | |
| Solent Flight | SFU | SAINTS | United Kingdom | |
| S.K. Logistics | SFX | SWAMP FOX | United States | |
| Sky King, Inc. | SGB | SONGBIRD | United States | |
| Southern Right Air Charter | SGC | SOUTHERNRIGHT | South Africa | |
| Sky Gate International Aviation | SGD | AIR BISHKEK | Kyrgyzstan | |
| STAC Swiss Government Flights | SGF | STAC | Switzerland | |
| Servisair | SGH | SERVISAIR | United Kingdom | |
| Servicios Aéreos Agrícolas | SGI | SERAGRI | Chile | |
| Skyward Aviation | SGK | SKYWARD | Canada | |
| Sky Aircraft Service | SGM | SIGMA | Netherlands | |
| Siam GA | SGN | SIAM | Thailand | |
| Sagolair Transportes Ejecutivos | SGP | SAGOLAIR | Spain | |
| Saskatchewan Government Executive Air Service | SGS | SASKATCHEWAN | Canada | |
| Samgau | SGT | RAUSHAN | Kazakhstan | |
| Saga Airlines | SGX | Turkey | ||
| Skagway Air Service | N5 | SGY | SKAGWAY AIR | United States |
| Shabair | SHB | SHABAIR | Democratic Republic of the Congo | |
| Sky Harbor Air Service | SHC | SKY HARBOR CHEYENNE | United States | |
| Sahara Airlines | SHD | Algeria | ||
| Shell Aircraft | SHE | SHELL | United Kingdom | |
| Shoprite Group | SHG | SHOP AIR | United Kingdom | |
| Sharjah Ruler s Flight | SHJ | SHARJAH | United Arab Emirates | |
| Shorouk Air | SHK | Egypt | ||
| Samson Aviation | SHL | SAMSON | United Kingdom | |
| Sheltam Aviation | SHM | SHELTAM | South Africa | |
| Shaheen Airport Services | SHN | SUGAR ALFA | Pakistan | |
| Sheremetyevo-Cargo | SHO | Russia | ||
| Service Aerien Francais | SHP | SAF | France | |
| Shanghai Airlines Cargo | SHQ | SHANGHAI CARGO | China | |
| Shooter Air Courier | SHR | SHOOTER | Canada | |
| Shura Air Transport Services | SHS | SHURA AIR | Ethiopia | |
| Sakhalinskie Aviatrassy | HZ | SHU | SATAIR | Russia |
| SATA Air Acores | SP | SAT | SATA | Portugal |
| Scorpio Aviation | 8S | |||
| Shavano Air | SHV | SHAVANO | United States | |
| Shawnee Airline | SHW | SHAWNEE | United States | |
| Slim Aviation Services | SHX | SLIM AIR | Nigeria | |
| Sky Airlines | ZY | SHY | ANTALYA BIRD | Turkey |
| Singapore Airlines | SQ | SIA | SINGAPORE | Singapore |
| Sibaviatrans | 5M | SIB | SIBAVIA | Russia |
| Sierra Express | SIE | SEREX | United States | |
| Skynet Airlines | SI | SIH | BLUEJET | Ireland |
| Seco International | SIJ | Japan | ||
| Servicios Aeronáuticos Integrales | SIL | SERVICIOS INTEGRALES | Mexico | |
| Star Air | SIM | Sierra Leone | ||
| Sirio | SIO | SIRIO | Italy | |
| Salair | SIR | SALAIR | United States | |
| Saber Airlines | SIS | Egypt | ||
| SITA | XS | SIT | Belgium | |
| Slovenian Armed Forces | SIV | SLOVENIAN | Slovenia | |
| Sirio Executive | SIW | SIRIO EXECUTIVE | Italy | |
| Servicios Aéreos Especiales De Jalisco | SJA | SERVICIOJAL | Mexico | |
| Servicios Ejecutivos Continental | SJC | SERVIEJECUTIVO | Mexico | |
| Sunair 2001 | SJE | SUNBIZ | South Africa | |
| Spirit Aviation | SJJ | SPIRIT JET | United States | |
| Servicios Especiales Del Pacifico Jalisco | SJL | SERVICIOS JALISCO | Mexico | |
| Swiss Jet | SJT | SWISS JET | Switzerland | |
| Sriwijaya Air | SJY | SRIWIJAYA | Indonesia | |
| Sama Airlines | ZS | SMY | NAJIM | Saudi Arabia |
| Southern Jersey Airways, Inc. | ALC | ACOM | United States | |
| SPASA | SPS | SALDUERO | Spain | |
| Speed Aviation | SPT | SPEED AVIATION | Bangladesh | |
| Southeast Airmotive | SPU | SPUTTER | United States | |
| Servicios Privados De Aviación | SPV | SERVICIOS PRIVADOS | Mexico | |
| Speedwings | SPW | SPEEDWING | Switzerland | |
| Service People Gesellschaft für Charter und Service | SPX | Germany | ||
| Slovak National Aeroclub | SQA | SLOVAK AEROCLUB | Slovakia | |
| Singapore Airlines Cargo | SQ | SQC | SINGCARGO | Singapore |
| Slovak Air Force | SQF | SLOVAK AIRFORCE | Slovakia | |
| Servicos De Alquiler | SQL | ALQUILER | Mexico | |
| Sair Aviation | SRA | SAIR | Canada | |
| Searca | SRC | SEARCA | Colombia | |
| Siem Reap Airways | FT | SRH | SIEMREAP AIR | Cambodia |
| Sky Work Airlines | SX | SRK | SKYFOX | Switzerland |
| Swedline Express | SM | SRL | Starline | Sweden |
| Servicios Aeronáuticos Aero Personal | SRL | SERVICIOS PERSONAL | Mexico | |
| Sirair | SRN | SIRAIR | Russia | |
| Servicios Aéreos Ejecutivos Saereo | SRO | SAEREO | Ecuador | |
| South East Asian Airlines | SRQ | SEAIR | Philippines | |
| Star Air | S6 | SRR | WHITESTAR | Denmark |
| Selkirk Remote Sensing | SRS | PHOTO CHARLIE | Canada | |
| Star Up | SRU | STAR-UP | Peru | |
| Sarit Airlines | SRW | SARIA | Sudan | |
| Sierra Expressway Airlines | SRX | SIERRA EX | United States | |
| Strato Air Services | SRZ | STRATO | South Africa | |
| Sasair | SSB | SASIR | Canada | |
| Southern Seaplane | SSC | SOUTHERN SKIES | United States | |
| Star Service International | SSD | STAR SERVICE | France | |
| Servicios Aéreos Sunset | SSE | SUNSET | Mexico | |
| Severstal Air Company | D2 | SSF | SEVERSTAL | Russia |
| Slovak Government Flying Service | SSG | SLOVAK GOVERNMENT | Slovakia | |
| SwedJet Airways | VD | BBB | BLACKBIRD | Sweden |
| Skystar International | SSK | SKYSTAR | United States | |
| Special Scope Limited | SSO | DOPE | United Kingdom | |
| Starspeed | SSP | STARSPEED | United Kingdom | |
| Sunstate Airlines | QF | SSQ | SUNSTATE | Australia |
| SAESA | SSS | SAESA | Spain | |
| Sunwest Airlines | SST | SUNFLIGHT | Canada | |
| SASCA | SSU | SASCA | Venezuela | |
| Skyservice Airlines | 5G | SSV | SKYTOUR | Canada |
| Streamline Aviation | SSW | STREAMLINE | United Kingdom | |
| Sky Aviation | SSY | SIERRA SKY | Sierra Leone | |
| Specsavers Aviation | SSZ | SPECSAVERS | United Kingdom | |
| Star Aviation | STA | STAR | United Kingdom | |
| Status-Alpha Airline | STB | STATUS-ALPHA | Ukraine | |
| Stadium City Limited | STC | STADIUM | United Kingdom | |
| Servicios De Aerotransportacion De Aguascalientes | STD | AERO AGUASCALINETES | Mexico | |
| Semitool Europe | STE | SEMITRANS | United Kingdom | |
| SFT-Sudanese Flight | STF | Sudan | ||
| Sedalia, Marshall, Boonville Stage Line | STG | STAGE | United States | |
| South-Airlines | STH | Armenia | ||
| Sontair | STI | SONTAIR | Canada | |
| Sella Aviation | STJ | STELLAVIA | Netherlands | |
| Stobart Air | RE | STK | STOBART | Ireland |
| Stapleford Flight Centre | STL | STAPLEFORD | United Kingdom | |
| Streamline Ops | STO | SLOPS | Russia | |
| Star Air | STQ | STERA | Indonesia | |
| Servicios de Transportes Aéreos Fueguinos | FS | STU | FUEGUINO | Argentina |
| Star African Air | STU | STARSOM | Somali Republic | |
| Star West Aviation | SUU | SUNSTAR | United States | |
| Southern Aviation | STV | SOUTHERN AVIATION | Ghana | |
| South West Air Corporation | STW | SIERRA WHISKEY | Philippines | |
| Stars Away Aviation | STX | STARSAWAY | South Africa | |
| Styrian Airways | STY | STYRIAN | Austria | |
| Silesia Air | SUA | AIR SILESIA | Czech Republic | |
| Sudan Airways | SUB | SUDANAIR | Sudan | |
| Sun Air (Fiji) | PI | SUF | SUNFLOWER | Fiji |
| Sun Air International | LW | FDY | FRIENDLY | United States |
| Sunu Air | SUG | SUNU AIR | Senegal | |
| Sun Light | SUH | LIGHT AIR | Kyrgyzstan | |
| Swiss Air Force | SUI | SWISS AIR FORCE | Switzerland | |
| Superior Aviation Services | SUK | SKYCARGO | Kenya | |
| State Unitary Air Enterprise | SUM | SUMES | Russia | |
| Sun Air | SUR | Egypt | ||
| Sun Air of Scandinavia | EZ | SUS | SUNSCAN | Denmark |
| Surf Air | URF | SURF AIR | United States | |
| Sistemas Aeronauuticos 2000 | SUT | SISTEMAS AERONAUTICOS | Mexico | |
| Sundance Air | SUV | DANCEAIR | Venezuela | |
| Saudia | SV | SVA | SAUDIA | Saudi Arabia |
| St. Vincent Grenadines Air (1990) | SVD | GRENADINES | Saint Vincent and the Grenadines | |
| Swedish Armed Forces | SVF | SWEDEFORCE | Sweden | |
| Sahel Airlines | AWJ | SAHEL AIRLINES | Niger | |
| Sterling Helicopters | SVH | SILVER | United Kingdom | |
| Servicios De Transporte Aéreo | SVI | SETRA | Mexico | |
| Silver Air | SVJ | Djibouti | ||
| Sevastopol-Avia | SVL | SEVAVIA | Ukraine | |
| Savanair (Angola) | SVN | SAVANAIR | Angola | |
| Servicios Aeronáuticos De Oriente | SVO | SERVIORIENTE | Mexico | |
| Servicios Aéreos Saar | SVS | AEREOS SAAR | Mexico | |
| Seven Four Eight Air Services | SVT | SIERRA SERVICES | Luxembourg | |
| Security Aviation | SVX | SECURITY AIR | United States | |
| Southwest Airlines | WN | SWA | SOUTHWEST | United States |
| Swissboogie Parapro | SWB | SWISSBOOGIE | Switzerland | |
| South West Air | SWC | SAINT CLAIR | Canada | |
| Southern Winds Airlines | A4 | SWD | SOUTHERN WINDS | Argentina |
| Swedeways | SWE | SWEDELINE | Sweden | |
| Spurling Aviation | AIR SEATTLE | United States | ||
| Sunwing Airlines | WG | SWG | SUNWING | Canada |
| Sunworld Airlines | SWI | SUNWORLD | United States | |
| StatesWest Airlines | SWJ | STATES | United States | |
| Surinam International Victory Airline | SWO | SIVA | Suriname | |
| Swift Air | SWP | SWIFTFLIGHT | United States | |
| Swiss International Air Lines | LX | SWR | SWISS | Switzerland |
| Swissair | SR | SWR | SWISSAIR | Switzerland |
| Sundair | SR | SDR | SUNDAIR | Germany |
| Sunwest Aviation | SWS | SUNNY WEST | United States | |
| Swiftair | SWT | SWIFT | Spain | |
| Swiss Global Air Lines | LZ
| SWU |
EUROSWISS |
Switzerland |
|
| Swe Fly | WV | SWV | FLYING SWEDE | Sweden |
| Shovkoviy Shlyah | S8 | SWW | WAY AERO | Ukraine |
| Swazi Express Airways | Q4 | SWX | SWAZI EXPRESS | Swaziland |
| Swoop | WO | WSW | SWOOP | Canada |
| Sky Jet | SWY | SWISSLINK | Switzerland | |
| Servair, Private Charter | SWZ | SWISSBIRD | Switzerland | |
| Skywise Airline | S8 | SWZ | SKYWISE | South Africa |
| Southern Cross Aviation | SXA | FERRY | United States | |
| Sky Exec Aviation Services | SXC | SKY EXEC | Nigeria | |
| Southeast Express Airlines | SXE | DOGWOOD EXPRESS | United States | |
| Servicios Aéreos Especializados Mexicanos | SXM | SERVIMEX | Mexico | |
| SunExpress | XQ | SXS | SUNEXPRESS | Turkey |
| Servicios De Taxi Aéreo | SXT | SERTA | Mexico | |
| Satellite Aero | SXX | SATELLITE EXPRESS | United States | |
| Safari Express Cargo | SXY | SAFARI EXPRESS | Kenya | |
| Skyways | SYA | LINEAS CARDINAL | Argentina | |
| Systec 2000 | SYC | SYSTEC | United States | |
| Sheba Aviation | SYE | Yemen | ||
| Sky One Express Airlines | SYF | SKY FIRST | United States | |
| Synergy Aviation | SYG | SYNERGY | United Kingdom | |
| Sonalysts | SYI | United States | ||
| Slate Falls Airways | SYJ | Canada | ||
| Satsair | SYK | AEROCAB | United States | |
| Syncrude Canada | SYN | SYNCRUDE | Canada | |
| Syrian Arab Airlines | RB | SYR | SYRIANAIR | Syrian Arab Republic |
| Shawbury Flying Training Unit | SYS | SHAWBURY | United Kingdom | |
| Special Aviation Systems | SYV | SPECIAL SYSTEM | United States | |
| Skywalk Airlines | AL | SYX | SKYWAY-EX | United States |
| Silk Way Airlines | ZP | AZQ | SILK LINE | Azerbaijan |
| Silk Way West Airlines | 7L | AZG | SILK WEST | Azerbaijan |
| South African Historic Flight | SYY | SKY COACH | South Africa | |
| Servicios Aeronáuticos Z | SZT | AERO ZEE | Mexico | |
| Specavia Air Company | BHV | AVIASPEC | Russia | |
| Starair | BLY | BLARNEY | Ireland | |
| Sundance Air | BNC | BARNACLE AIR | United States | |
| Samara Airlines | E5 | BRZ | BERYOZA | Russia |
| Swedish Civil Aviation Administration | CBN | CALIBRATION | Sweden | |
| Shandong Airlines | SC | CDG | SHANDONG | China |
| Spectrem Air | CDS | SPECDAS | South Africa | |
| Servicios Aéreos Centrales | CEE | CENTRA AEREOS | Mexico | |
| Swedish Airlines | CFL | SWEDISH | Sweden | |
| Seagle Air | CGL | SEAGLE | Slovakia | |
| Sirius-Aero | CIG | SIRIUS AERO | Russia | |
| Sunwest Home Aviation | CNK | CHINOOK | Canada | |
| SAS Braathens | SK | CNO | SCANOR | Norway |
| Spring Airlines | 9C | CQH | AIR SPRING | China |
| Sichuan Airlines | 3U | CSC | SI CHUAN | China |
| Shanghai Airlines | FM | CSH | SHANGHAI AIR | China |
| Shuangyang General Aviation | CSY | SHUANGYANG | China | |
| Shenzhen Airlines | ZH | CSZ | SHENZHEN AIR | China |
| Shanxi Airlines | 8C | CXI | SHANXI | China |
| Sioux Falls Aviation | DKT | DAKOTA | United States | |
| Servicios Aéreos Elite | DKY | DAKOY | Spain | |
| Servicios Aéreos Denim | DNI | AERO DENIM | Mexico | |
| Swiss Eagle | EAB | SWISS EAGLE | Switzerland | |
| Skypower Express Airways | EAN | NIGERIA EXPRESS | Nigeria | |
| Scenic Air | ENR | Namibia | ||
| Sun D Or | 7L | ERO | ECHO ROMEO | Israel |
| SkyEurope | NE | ESK | RELAX | Slovakia |
| Sunshine Express Airlines | CQ | EXL | Australia | |
| South African Express | EXY | EXPRESSWAYS | South Africa | |
| Stuttgarter Flugdienst | FFD | FIRST FLIGHT | Germany | |
| Shalom Air Services | FFH | PEACE AIR | Nigeria | |
| Silverjet | FJE | ENVOY | United Kingdom | |
| Sky Bus | FLH | MILE HIGH | United States | |
| South Coast Aviation | GAD | SOUTHCOAST | United Kingdom | |
| Servicios Aéreos Gadel | GDE | GADEL | Mexico | |
| S.P. Aviation | GDG | GOLDEN GATE | United States | |
| Seba Airlines | GIK | SEBA | Guinea | |
| Servicios Aéreos Gana | GNA | SERVIGANA | Mexico | |
| Sky Wings Airlines | GSW | Greece | ||
| Star XL German Airlines | GXL | STARDUST | Germany | |
| Skyhaul | HAU | SKYHAUL | Japan | |
| Starship | HIP | STARSA | Mexico | |
| Servicios Ejecutivos Gosa | HJE | GOSA | Mexico | |
| Superior Aviation | SO | HKA | SPEND AIR | United States |
| Samaritan Air Service | HLO | HALO | Canada | |
| Skyraidybos Mokymo Centras | HRI | HELIRIM | Lithuania | |
| Sky Europe Airlines | HSK | MATRA | Slovakia | |
| Svenska Direktflyg | HSV | HIGHSWEDE | Sweden | |
| Sky Helicopteros | HSY | HELISKY | Spain | |
| Skytaxi | TE | IGA | IGUANA | Poland |
| Silvair | IJS | United States | ||
| Servicios Aéreos Ilsa | ILS | SERVICIOS ILSA | Mexico | |
| Sincom-Avia | INK | SINCOM AVIA | Ukraine | |
| Safat Airlines | IRV | SAFAT AIR | Iran | |
| Saha Airlines Services | IRZ | SAHA | Iran | |
| Sunline Express | JAM | SUNTRACK | Kenya | |
| Secure Air Charter | JCM | SECUREAIR | United States | |
| Sark International Airways | JIM | SARK | United Kingdom | |
| Spanair | JK | JKK | SPANAIR | Spain |
| Salem | KKS | KOKSHE | Kazakhstan | |
| Servicios Aéreos Copters | KOP | COPTERS | Chile | |
| Servicios Aéreos Expecializados En Transportes Petroleros | KSP | SAEP | Colombia | |
| Skybridge AirOps | KYB | SKY AIROPS | Italy | |
| Sky Aeronautical Services | KYR | SKY AERONAUTICAL | Mexico | |
| Servicios Aéreos Ejecutivos De La Laguna | LGU | LAGUNA | Mexico | |
| Servico Leo Lopex | LLA | LEO LOPOZ | Mexico | |
| Servicios Aéreos Estrella | LLS | SERVIESTRELLA | Mexico | |
| South African Air Force | LMG | SOUTH AFRICAN | South Africa | |
| Sky One Holdings | LMO | SKY HOLDINGS | United States | |
| Sansa | LRS | Costa Rica | ||
| Spectrum Aviation Incorporated | LSP | AIR TONY | United Kingdom | |
| SOS Helikoptern Gotland | MCG | MEDICOPTER | Sweden | |
| Sundt Air | MDT | MIDNIGHT | Norway | |
| Servicios Aéreos Milenio | MLO | MILENIO | Mexico | |
| SAAD (A320) Limited | MMS | MUSAAD AIR | Cayman Islands | |
| Servicios Aéreos Moritani | MRI | MORITANI | Mexico | |
| San Juan Airlines | 2G* | MRR | MARINER | United States |
| Servico Aéreo Regional | MSG | SAR-REGIONAL | Mozambique | |
| Servicio De Vigilancia Aérea Del Ministerio De Seguridad Pública | MSP | SEGURIDAD | Costa Rica | |
| Servicios Aéreos MTT | MTG | Mexico | ||
| Sabre Pacific | 1Z | APD | Australia | |
| Sabre | 1S | United States | ||
| Sierra Nevada Airlines | 1I | United States | ||
| Siren-Travel | 1H | Russia | ||
| Sirena | 1Q | Russia | ||
| Snowbird Airlines | SBW | SNOWMAN | Finland | |
| Southern Cross Distribution | 1K | Australia | ||
| Sutra | 1K | United States | ||
| SNCF | 2C | France | ||
| Star Equatorial Airlines | 2S | Guinea | ||
| Seulawah Nad Air | NAD | SEULAWAH | Indonesia | |
| Servicios Aéreos del Nazas S.A. de C.V. | NAZ | NAZAS | Mexico | |
| Simpson Air Ltd | NCS | COMMUTER-CANADA | Canada | |
| Spirit Airlines | NK | NKS | SPIRIT WINGS | United States |
| Servicios Aéreos Latinoamericanos | NON | SERVICIOS LATINO | Mexico | |
| Servicios Aéreos Monarrez | NRZ | MONARREZ | Mexico | |
| Societe De Transport Aerien De Mauritanie | NSC | TRANS-SOCIETE | Mauritania | |
| SATENA | NSE | SATENA | Colombia | |
| Servicios Aéreos Del Norte | NTB | SERVINORTE | Mexico | |
| Servicios Integrales De Aviación | NTG | INTEGRALES | Mexico | |
| Slok Air Gambia | S0 | OKS | SLOK GAMBIA | Gambia |
| Soko Aviation | OKT | SOKO AIR | Spain | |
| Solar Cargo | OLC | SOLARCARGO | Venezuela | |
| Soloflight | OLO | SOLO | United Kingdom | |
| Sonnig SA | ONG | SONNIG | Switzerland | |
| Sosoliso Airlines | SO | OSL | SOSOLISO | Nigeria |
| Servicios Aéreos Noticiosos | OSS | NOTICIOSOS | Mexico | |
| South Airlines | OTL | SOUTHLINE | Ukraine | |
| Virgin Australia Regional Airlines | VA | OZW | VELOCITY | Australia |
| Sokol | PIV | AEROSOKOL | Russia | |
| South Carolina Aeronautics Commission | PLT | PALMETTO | United States | |
| Servicios Aéreos Premier | PMR | SERVICIOS PREMIER | Mexico | |
| Survey Udara (Penas) | PNS | PENAS | Indonesia | |
| Servicios Aéreos Poblanos | POB | POBLANOS | Mexico | |
| Servicios Aéreos Profesionales | PSV | PROSERVICIOS | Dominican Republic | |
| Southeastern Airways | PTM | POSTMAN | United States | |
| Spurwing Airlines | PUR | SPURWING | South Africa | |
| Sky Trek International Airlines | 1I | PZR | PHAZER | United States |
| Shandong Airlines Rainbow Jet | RBW | CAI HONG | China | |
| SA Airlink Regional | REJ | REGIONAL LINK | South Africa | |
| Servicio Aéreo Regional Regair | RER | REGAIR | Ecuador | |
| Scoala Superioara De Aviatie Civila | RFT | ROMANIAN ACADEMY | Romania | |
| Servicios Aéreos Regiomontanos | RGC | REGIOMONTANO | Mexico | |
| S-Air | RLS | S-AIRLINES | Russia | |
| Servicios De Rampa Y Mostrador | RMP | SERAMSA | Mexico | |
| SNAS Aviation | RSE | RED SEA | Saudi Arabia | |
| Skybus Airlines | SX | SKB | SKYBUS | United States |
| Skymaster Airlines | SKC | SKYMASTER AIR | Brazil | |
| Sky Harbor Air Service | SKD | SKY DAWG | United States | |
| Sky Tours | SKE | SKYISLE | United States | |
| Sakaviaservice | AZG | SAKSERVICE | Georgia | |
| Skycraft | SKF | SKYCRAFT | United States | |
| Skycraft Air Transport | SKG | SKYCRAFT-CANADA | Canada | |
| SkyKing Turks and Caicos Airways | RU | SKI | SKYKING | Turks and Caicos Islands |
| Skylink Aviation | SKK | SKYLINK | Canada | |
| Skycharter (Malton) | SKL | SKYCHARTER | Canada | |
| Skyline Aviation Services | SKN | SKYLINER | United States | |
| Scottish Airways Flyers | SKO | SKYWORK | United Kingdom | |
| Skyscapes Air Charters | SKR | SKYSCAPES | South Africa | |
| Sky Service | SKS | SKY SERVICE | Belgium | |
| Sky Link Aviation | SKS | Pakistan | ||
| Santa Barbara Airlines | S3 | BBR | SANTA BARBARA | Venezuela |
| SkyStar Airways | XT | SKT | SKY YOU | Thailand |
| Sky Airline | H2 | SKU | AEROSKY | Chile |
| SkyWest Airlines | OO | SKW | SKYWEST | United States |
| Skyways Express | JZ | SKX | SKY EXPRESS | Sweden |
| Skymark Airlines | BC | SKY | SKYMARK | Japan |
| Skyway Enterprises | SKZ | SKYWAY-INC | United States | |
| Sierra National Airlines | LJ | SLA | SELAIR | Sierra Leone |
| Slok Air | SLB | SLOK AIR | Nigeria | |
| Silver Air | SLD | SILVERLINE | Czech Republic | |
| Streamline | SLE | SLIPSTREAM | South Africa | |
| Starfly | SLF | ELISTARFLY | Italy | |
| Saskatchewan Government | SLG | LIFEGUARD | Canada | |
| Silverhawk Aviation | SLH | SILVERHAWK | United States | |
| Servicios Aéreos de Los Ángeles | AGE | AEROANGEL | Mexico | |
| SilkAir | MI | SLK | SILKAIR | Singapore |
| Slovak Airlines | 6Q | SLL | SLOV LINE | Slovakia |
| Surinam Airways | PY | SLM | SURINAM | Suriname |
| Sloane Aviation | SLN | SLOANE | United Kingdom | |
| Salpa Aviation | SLP | SALPA | Sudan | |
| Servicios Aéreos Slainte | SLS | SERVICIOS SLAINTE | Mexico | |
| Stella Aviation | SLV | AVISTELLA | Mauritania | |
| Salama Airlines Nigeria | SLW | SALMA AIR | Nigeria | |
| Sete Linhas Aéreas | SLX | SETE | Brazil | |
| Sky Line for Air Services | SLY | SKYCO | Sudan | |
| Super Luza | SLZ | LUZA | Angola | |
| SMA Airlines | SMA | SESAME | Nigeria | |
| Sabang Merauke Raya Air Charter | SMC | SAMER | Indonesia | |
| Servicios Aéreos La Marquesa | SMD | SERVICIOS MARQUESA | Mexico | |
| Servant Air | 8D | United States | ||
| Semos | SME | SEMICH | Kazakhstan | |
| Smalandsflyg | SMF | GORDON | Sweden | |
| Smithair | SMH | SMITHAIR | United States | |
| Semeyavia | SMK | ERTIS | Kazakhstan | |
| Smith Air (1976) | SML | SMITH AIR | Canada | |
| Summit Airlines | SMM | SUMMIT-AIR | United States | |
| Samar Air | SMQ | SAMAR AIR | Tajikistan | |
| Somon Air | SMR | SOMON AIR | Tajikistan | |
| Skyline | SMT | SKYLIMIT | Nigeria | |
| Servicios Aéreos Del Sol, S.A. de C.V. | AOS | AEROSOL | Mexico | |
| Senator Aviation Charter | SNA | SENATOR | Germany | |
| Sterling Airlines | NB | SNB | STERLING | Denmark |
| Servicios Aéreos De Nicaragua | SNE | SANSA | Nicaragua | |
| Shans Air | SNF | SHANS AIR | Russia | |
| Senair Services | SNH | SENSERVICE | Senegal | |
| Savanah Airlines | SNI | SAVANAHLINE | Nigeria | |
| Skynet Asia Airways | 6J | SNJ | NEWSKY | Japan |
| Southeast Airlines | SNK | SUN KING | United States | |
| Soonair Lines | SNL | SOONAIR | United States | |
| Servizi Aerei | SNM | SERVIZI AEREI | Italy | |
| Sun Pacific International | SNP | SUN PACIFIC | United States | |
| Sun Quest Executive Air Charter | SNQ | EXECU-QUEST | United States | |
| Societe Centrafricaine De Transport Aerien | SNS | Central African Republic | ||
| Suncoast Aviation | SNT | SUNCOAST | United States | |
| Snunit Aviation | SNU | Israel | ||
| Sudanese States Aviation | SNV | SUDANESE | Sudan | |
| Sun West Airlines | SNW | SUN WEST | United States | |
| Sun Air Aviation Services | SNX | SUNEX | Canada | |
| Stabo Freight | SOB | STABO | Zambia | |
| Southern Cargo Air Lines | SOC | Russia | ||
| Southern Ohio Aviation Sales | SOH | SOUTHERN OHIO | United States | |
| Southern Aviation | SOI | SOAVAIR | Zambia | |
| Solomon Airlines | IE | SOL | SOLOMON | Solomon Islands |
| Somali Airlines | SOM | SOMALAIR | Somali Republic | |
| Sunshine Air Tours | SON | SUNSHINE TOURS | United States | |
| Southern Air | SOO | SOUTHERN AIR | United States | |
| Solinair | SOP | SOLINAIR | Slovenia | |
| Sonair Servico Aéreo | SOR | SONAIR | Angola | |
| Southeast Correct Craft | SOT | SOUTH COURIER | United States | |
| Southern Airways | SOU | SOUTHERN EXPRESS | United States | |
| Saratov Airlines Joint Stock Company | 6W | SOV | SARATOV AIR | Russia |
| Sowind Air | SOW | SOWIND | Canada | |
| Solid Air | SOX | SOLIDAIR | Netherlands | |
| Sat Airlines | HZ | SOZ | SATCO | Kazakhstan |
| Sierra Pacific Airlines | SPA | SIERRA PACIFIC | United States | |
| Springbok Classic Air | SPB | SPRING CLASSIC | South Africa | |
| Skyworld Airlines | SPC | PORT | United States | |
| Sprague Electric Company | SPE | SPRAGUE | United States | |
| Space World Airline | SPF | SPACE WORLD | Nigeria | |
| Springdale Air Service | SPG | SPRING AIR | United States | |
| Sapphire Executive Air | SPH | SAPPHIRE-CHARTER | South Africa | |
| South Pacific Island Airways | SPI | SOUTH PACIFIC | United States | |
| Servicios Corporativos Aéreos De La Laguna | SPL | CORPORATIVOS LAGUNA | Mexico | |
| Skorpion Air | SPN | AIR SKORPIO | Bulgaria | |
| Sapphire Aviation | SPP | SAPPHIRE | United States | |
| Servicios Aéreos Palenque | SPQ | SERVICOS PALENQUE | Mexico | |
| Servicios Aéreos Tribasa | TBS | TRIBASA | Mexico | |
| Shuttle America | S5 | TCF | MERCURY | United States |
| SALTAVIATION | SVV | SALT | Poland | |
| SAAB Nyge Aero | TGT | TARGET | Sweden | |
| Spark Air | THB | THAI SABAI | Thailand | |
| S C Ion Tiriac | TIH | TIRIAC AIR | Romania | |
| Starlite Aviation | TRL | STARSTREAM | South Africa | |
| Servicios Aéreos Corporativos | TRN | AEROTRON | Mauritania | |
| Societe Tout Transport Mauritanien | TTM | TOUT-AIR | Mauritania | |
| Servicios Aéreos Tamazula | TZU | TAMAZULA | Mexico | |
| Shar Ink | UGP | SHARINK | Russia | |
| Second Sverdlovsk Air Enterprise | UKU | PYSHMA | Russia | |
| Servicios Aéreos Universitarios | UNT | UNIVERSITARIO | Mexico | |
| Skif-Air | USK | SKIF-AIR | Ukraine | |
| Smarkand Aero Servise | USN | SAMAS | Uzbekistan | |
| Samarkand Airways | UZS | SOGDIANA | Uzbekistan | |
| Servicios Aéreos Avandaro | VDO | AVANDARO | Mexico | |
| Stichting Vliegschool 16Hoven | VGS | SMART | Netherlands | |
| Silverback Cargo Freighters | VRB | SILVERBACK | Rwanda | |
| Sirvair | VRS | VAIRSA | Mexico | |
| Scat Air | DV | VSV | VLASTA | Kazakhstan |
| Sunset Aviation | VXN | VIXEN | United States | |
| Sunset Aviation, LLC | TWY | TWILIGHT | United States | |
| Sport Air Travel | WCC | WEST COAST | United States | |
| Swift Copters | WFC | SWIFTCOPTERS | Switzerland | |
| Skyrover CC | WLK | SKYWATCH | South Africa | |
| Safarilink Aviation | XLK | SAFARILINK | Kenya | |
| SENEAM | XMX | SENEAM | Mexico | |
| Southport Air Service | XPG | United States | ||
| Spectrum Air Service | XSA | United States | ||
| Stephenville Aviation Services | XSN | Canada | ||
| Servicios Aéreos Textra | XTA | TEXTRA | Mexico | |
| Sector Airlines | XTR | EXTER | Canada | |
| Skyplan Services | XXS | Canada | ||
| Stewart Aviation Services | YBE | YELLOW BIRD | United States | |
| Sirin | R1 | |||
| Star Air | S6 | Denmark | ||
| Flyant | FYA | FLYANT | Spain | |
| State Flight Academy of Ukraine | UFA | FLIGHT ACADEMY | Ukraine | |
| Singapore Air Force | SAF | SINGA | Singapore | |
| Starlink Aviation | Q4 | TLK | STARLINK | Canada |
| Star1 Airlines | V9 | HCW | STAR1 | Lithuania |
| Sunshine Airlines | SO | AAS | ||
| SF Airlines | O3 | CSS | SHUN FENG | China |
| SaxonAir | SXN | SAXONAIR | United Kingdom | |
| Small Planet Airlines | RZ | GERMANJET | Germany | |
| Sunexpress Deutschland | XG | SXD | SUNRISE | Germany |
| TezJet Airlines | TEZ | Kyrgyzstan | ||
| Thai Express Air | TXZ | EXPRESS AIR | Thailand | |
| Thai Smile Airways | WE | THD | THAI SMILE | Thailand |
| Thai Vietjet Air | VZ | TVJ | THAIVIET JET | Thailand |
| Taxair Mexiqienses | TQE | TAXAIR | Mexico | |
| Thai AirAsia X | XJ | TAX | EXPRESS WING | Thailand |
| Thai Lion Mentari | SL | TLM | MENTARI | Thailand |
| Transporte Aereo De Colombia | TCB | AERO COLOMBIA | Colombia | |
| Trend Aviation | TDA | TREND AIR | United States | |
| Turkish Aerospace Industries | THS | TUSAS | Turkey | |
| Transmandu | TMD | TRANSMANDU | Venezuela | |
| Turkish Airlines | TRK | TURKISH REPUBLIC | Turkey | |
| Tarkim Aviation | TKJ | TARKIM AVIATION | Turkey | |
| Transafricaine Air Cargo | TCG | AFRICARGO | Burkina Faso | |
| Travel Management Company | TMC | TRAIL BLAZER | United States | |
| Trifly | SWD | SAWBLADE | United States | |
| Trans Jet Airways | SWL | TRANSJET | Sweden | |
| Turbot Air Cargo | TAC | TURBOT | Senegal | |
| Transporte Aéreo Dominicano | TAD | TRANS DOMINICAN | Dominican Republic | |
| TAME | EQ | TAE | TAME | Ecuador |
| Trans International Express Aviation | BAP | BIG APPLE | United States | |
| TAG Aviation USA | TAG | TAG U-S | United States | |
| Talair | TAL | TALAIR | Papua New Guinea | |
| LATAM Brasil | JJ | TAM | TAM | Brazil |
| Transaustralian Air Express | AUC | AUSCARGO | Australia | |
| TAP Portugal | TP | TAP | AIR PORTUGAL | Portugal |
| Tunisair | TU | TAR | TUNAIR | Tunisia |
| Transportes Aéreos Tauro | TAU | TRANSTAURO | Mexico | |
| Travel Air | TAX | TRAVELAIR | United States | |
| TNT Airways | 3V | TAY | QUALITY | Belgium |
| Transbrasil | TR | TBA | TRANSBRASIL | Brazil |
| Turbine Air Cargo UK | TBC | United Kingdom | ||
| Thunderbird Tours | TBD | ORCA | Canada | |
| Tropical Airways | M7 | TBG | Haiti | |
| Trinity Air Bahamas | TBH | Bahamas | ||
| TAB Express International | TBI | TAB INTERNATIONAL | United States | |
| Taban Air Lines | TBM | TABAN AIR | Iran | |
| Teebah Airlines | TBN | TEEBAH | Sierra Leone | |
| Tubelair | TBR | TUBELAIR | Tunisia | |
| Tobago Express | TBX | TABEX | Trinidad and Tobago | |
| Tropican Air Services | TCA | TROPICANA | Egypt | |
| Transporte del Caribe | TCB | TRANSCARIBE | Colombia | |
| Trans Continental Airlines | TCC | TRANSCAL | Sudan | |
| Tchad Airlines | TCD | TCHADLINES | Chad | |
| Trans-Colorado Airlines | TCE | TRANS-COLORADO | United States | |
| Thai Air Cargo | T2 | TCG | THAI CARGO | Thailand |
| Transcontinental Air | TCH | TRANS GULF | Bahrain | |
| Teledyne Continental Motors | TCM | TELEDYNE | United States | |
| Trans Continental Airlines | TCN | TRANSCON | United States | |
| Transcorp Airways | TCP | TRANSCORP | United Kingdom | |
| Transcontinental Sur | TCT | TRANS-CONT | Uruguay | |
| Transglobal Airways Corporation | TCU | TRANSGLOBAL | Philippines | |
| Thomas Cook Airlines | HQ | TCW | THOMAS COOK | Belgium |
| Thomas Cook Airlines | MT | TCX | THOMAS COOK | United Kingdom |
| Twin Cities Air Service | TCY | TWIN CITY | United States | |
| Tadair | TDC | TADAIR | Spain | |
| Flight One | TDE | TELLURIDE | United States | |
| Transportes Aéreos de Ixtlán | TDI | TRANSIXTLAN | Mexico | |
| Tandem Aero | TQ | TDM | TANDEM | Moldova |
| TRADO | TDO | TRADO | Dominican Republic | |
| Trade Air | TDR | TRADEAIR | Croatia | |
| Taxi Aero Nacional Del Evora | TDV | TAXI EVORA | Mexico | |
| Tradewinds Airlines | TDX | TRADEWINDS EXPRESS | United States | |
| Tenir Airlines | TEB | TENIR AIR | Kyrgyzstan | |
| Teamline Air | L9 | TLW | Teamline | Austria |
| Tecnicas Fotograficas | TEF | TECFOTO | Spain | |
| Tempelhof Airways | TEH | TEMPELHOF | United States | |
| Telford Aviation | TEL | TELFORD | United States | |
| Tech-Mont Helicopter Company | TEM | TECHMONT | Slovakia | |
| Tennessee Airways | TEN | TENNESSEE | United States | |
| Territorial Airlines | TER | TERRI-AIRE | United States | |
| Transeuropean Airlines | TES | TRANSEURLINE | Russia | |
| Tepavia-Trans Airlines | TET | TEPAVIA | Moldova | |
| Trans-Florida Airlines | TFA | TRANS FLORIDA | United States | |
| Tair Airways | TFB | ROYAL TEE-AIR | Philippines | |
| Talon Air | TFF | TALON FLIGHT | United States | |
| Trabajos Aéreos Murcianos | AIM | PIJO | Spain | |
| Thai Flying Helicopter Service | TFH | THAI HELICOPTER | Thailand | |
| Transport Facilitators | TFI | United States | ||
| Transafrik International | TFK | São Tomé and Príncipe | ||
| Transportes Aéreos del Pacífico | TFO | TRANSPORTES PACIFICO | Mexico | |
| Thai Flying Service | TFT | THAI FLYING | Thailand | |
| Transportes Aéreos San Rafael | SRF | SAN RAFEAL | Chile | |
| Tayside Aviation | TFY | TAYSIDE | United Kingdom | |
| TG Aviation | TGC | THANET | United Kingdom | |
| Trabajos Aéreos | TGE | TASA | Spain | |
| Transportes Aéreos Regionales | TGI | TRANSPORTE REGIONAL | Mexico | |
| TAG Aviation Espana | TGM | TAG ESPANA | Spain | |
| Trigana Air Service | TGN | TRIGANA | Indonesia | |
| Satgur Air Transport | 2S | TGR | SATGURAIR | Liberia |
| Titan Airways | ZT | AWC | ZAP | United Kingdom |
| Transport Canada | TGO | TRANSPORT | Canada | |
| Tigerair Singapore | TR | TGW | GO CAT | Singapore |
| Tigerair Australia | TT | TGG | TIGGOZ | Australia |
| Tigerair Taiwan | IT | TTW | SMART CAT | Taiwan |
| Tigerair Mandala | MDL | MANDALA | Indonesia | |
| Cebgo | DG | SRQ | BLUE JAY | Philippines |
| Transair Gabon | TGX | TRANSGABON | Gabon | |
| Trans Guyana Airways | TGY | TRANS GUYANA | Guyana | |
| Thai Airways International | TG | THA | THAI | Thailand |
| Tar Heel Aviation | THC | TARHEEL | United States | |
| Toumai Air Tchad | THE | TOUMAI AIR | Chad | |
| Touraine Helicoptere | THF | TOURAINE HELICO | France | |
| Thai Global Airline | THG | THAI GLOBAL | Thailand | |
| Thai Jet Intergroup | THJ | THAI JET | Thailand | |
| Turk Hava Kurumu Hava Taksi Isletmesi | THK | HUR KUS | Turkey | |
| Thai AirAsia | FD | AIQ | THAI ASIA | Thailand |
| TACA De Honduras | THO | LEMPIRA | Honduras | |
| Tehran Airline | THR | TEHRAN AIR | Iran | |
| Thunder Airlines | THU | AIR THUNDER | Canada | |
| Turkish Airlines | TK | THY | TURKISH | Turkey |
| Trans Helicoptere Service | THZ | LYON HELIJET | France | |
| Trans International Airlines | TIA | TRANS INTERNATIONAL | United States | |
| Travel International Air Charters | TIC | TRAVEL INTERNATIONAL | Zambia | |
| Time Air | TIE | TIME AIR | Czech Republic | |
| Tic Air | TIK | TICAIR | Australia | |
| TEAM Linhas Aéreas | TIM | TEAM BRASIL | Brazil | |
| Taino Tours | TIN | TAINO | Dominican Republic | |
| Tesis | TIS | TESIS | Russia | |
| Transcarga Intl Airways | TIW | TIACA | Venezuela | |
| Tajikair | TJK | TAJIKAIR | Tajikistan | |
| Tien-Shan | TJN | NERON | Kazakhstan | |
| Tyrolean Jet Services | TJS | TYROLJET | Austria | |
| Twin Jet | T7 | TJT | TWINJET | France |
| Tikal Jets Airlines | TKC | TIKAL | Guatemala | |
| Take Air Line | TKE | ISLAND BIRD | France | |
| Tropical International Airways | TKX | TROPEXPRESS | Saint Kitts and Nevis | |
| Thai Sky Airlines | 9I | LLR | THAI SKY AIR | Thailand |
| Translift Airways | TLA | TRANSLIFT | Ireland | |
| Transport Africa | TLF | TRANS-LEONE | Sierra Leone | |
| Trans Atlantic Airlines | TLL | ATLANTIC LEONE | Sierra Leone | |
| Eagle Canyon Airlines | TLO | TALON AIR | United States | |
| Tulip Air | TD | TLP | TULIPAIR | Netherlands |
| Tunisavia | TAJ | TUNISAVIA | Tunisia | |
| TLC Air | TLS | TEALSY | United States | |
| Turtle Airways | TLT | TURTLE | Fiji | |
| Travelair | TLV | PAJAROS | Uruguay | |
| Telesis Transair | TLX | TELESIS | United States | |
| Top Fly | TLY | TOPFLY | Spain | |
| Trans Mediterranean Airlines | TL | TMA | TANGO LIMA | Lebanon |
| Transmed Airlines | TMD | Egypt | ||
| Tri-MG Intra Asia Airlines | GY | TMG | TRILINES | Indonesia |
| Taxis Turisticos Marakame | TMH | TAXIMARAKAME | Mexico | |
| Tamir Airways | TMI | TAMIRWAYS | Israel | |
| Tomahawk Airways | TMK | TOMAHAWK | United States | |
| Transports et Travaux Aériens de Madagascar | OF | TML | TAM AIRLINE | Madagascar |
| TMC Airlines | TMM | WILLOW RUN | United States | |
| TRAM | TMQ | TRAM AIR | Mauritania | |
| Timberline Air | TMR | TIMBER | Canada | |
| Temsco Helicopters | TMS | TEMSCO | United States | |
| Trans Midwest Airlines | TMT | TRANS MIDWEST | United States | |
| Tramon Air | TMX | TRAMON | South Africa | |
| Transportes Aéreos del Mundo Maya | TMY | MUNDO MAYA | Mexico | |
| Transporte Amazonair | TMZ | TRANS AMAZON | Venezuela | |
| Trans Air-Benin | TNB | TRANS-BENIN | Benin | |
| Taxis Aéreos del Noroeste | TNE | TAXINOROESTE | Mexico | |
| Transafricaine | TNF | TRANSFAS | Burkina Faso | |
| Tennessee Air National Guard | TNG | United States | ||
| Transair International Linhas Aéreas | TNI | TRANSINTER | United States | |
| Tengeriyn Ulaach Shine | TNL | SKY HORSE | Mongolia | |
| Tiara Air | 3P | TNM | TIARA | Aruba |
| Transped Aviation | TNP | TRANSPED | Austria | |
| Tanana Air Services | TNR | TAN AIR | United States | |
| Trans North Turbo Air | TNT | TRANS NORTH | Canada | |
| Transnorthern | TNV | TRANSNORTHERN | United States | |
| Trans Nation Airways | TNW | TRANS-NATION | Ethiopia | |
| Trener Ltd | TNX | TRAINER | Hungary | |
| Twin Town Leasing Company | TNY | TWINCAL | United States | |
| Tobruk Air | 7T | TOB | TOBRUK AIR | Libya |
| TOJ Airlines | TOJ | TOJ AIRLINE | Tajikistan | |
| Tol-Air Services | TI | TOL | TOL AIR | United States |
| Thomson Airways | BY | TOM | TUI AIR[49] | United Kingdom |
| Top Air | TOP | AIR TOP | Indonesia | |
| Toronto Airways | TOR | TORONTAIR | Canada | |
| Tropic Air | PM | TOS | TROPISER | Belize |
| Totavia | TOT | Canada | ||
| Tower Air | TOW | TEE AIR | United States | |
| Toyota Canada | TOY | TOYOTA | Canada | |
| TAMPA | QT | TPA | TAMPA | Colombia |
| Top Speed | TPD | TOP SPEED | Austria | |
| Taxis Aéreos del Pacífico | TPF | TAXIPACIFICO | Mexico | |
| Transportes Aéreos Pegaso | TPG | TRANSPEGASO | Mexico | |
| TAR Interpilot | TPL | INTERPILOT | Mauritania | |
| Transpaís Aéreo | TPM | TRANSPAIS | Mexico | |
| Transportación Aérea del Norte | TPN | AEREA DELNORTE | Mexico | |
| Transpac Express | TPP | TRANS EXPRESS | Australia | |
| Taxis Aéreos De Parral | TPR | TAXIS PARRAL | Mexico | |
| TAPSA | TPS | TAPSA | Argentina | |
| Transportes Aéreo del Sureste | TPT | TASSA | Mexico | |
| Trans American Airlines | TPU | TRANS PERU | Peru | |
| Thai Pacific Airlines Business | TPV | THAI PACIFIC | Thailand | |
| Transportes Aéreos De Xalapa | TPX | TRANSXALAPA | Mexico | |
| Trans-Provincial Airlines | TPY | TRANS PROVINCIAL | Canada | |
| Transportes La Paz | TPZ | TRANSPAZ | Mexico | |
| Taquan Air Services | K3 | TQN | TAQUAN | United States |
| Transportación Aérea De Querétaro | TQR | TRANSQUERETARO | Mexico | |
| TransAsia Airways | GE | TNA | Taiwan | |
| Transavia France | TO | TVF | FRANCE SOLEIL | France |
| Transavia Holland | HV | TRA | TRANSAVIA | Netherlands |
| Trans Air Charter | TRC | TRACKER | United States | |
| TACV | VR | TCV | CABOVERDE | Cape Verde |
| Trans Island Air | TRD | TRANS ISLAND | Barbados | |
| Taxi Air Fret | TRF | TAXI JET | France | |
| TRAGSA (Medios Aéreos) | TRG | Spain | ||
| Trans Euro Air | TRJ | HIGH TIDE | United Kingdom | |
| Transport Aerien de Mauritanie | TRM | SOTRANS | Mauritania | |
| Tropic Airlines-Air Molokai | TRO | MOLOKAI | United States | |
| Turdus Airways | TRQ | HUNTER | Netherlands | |
| Tramson Limited | TRR | TRAMSON | Sudan | |
| Trans Arabian Air Transport | TRT | TRANS ARABIAN | Sudan | |
| Triangle Airline (Uganda) | TRU | TRI AIR | Uganda | |
| Transwestern Airlines of Utah | TRW | TRANS-WEST | United States | |
| Tristar Airlines | TRY | TRISTAR AIR | United States | |
| TransMeridian Airlines | T9 | TRZ | TRANS-MERIDIAN | United States |
| Transair France | TSA | AIRTRAF | France | |
| TAF-Linhas Aéreas | TSD | TAFI | Brazil | |
| Transmile Air Services | TH | TSE | TRANSMILE | Malaysia |
| Trans-Air-Congo | TSG | TRANS-CONGO | Republic of the Congo | |
| Transport air | TSI | TRANSPORTAIR | France | |
| Trast Aero | S5 | TSJ | TRAST AERO | Kyrgyzstan |
| Trast Aero | TSK | TOMSK-AVIA | Kyrgyzstan | |
| Thai Aviation Services | TSL | THAI AVIATION | Thailand | |
| Taftan Airlines | SBT | TAFTAN | Iran | |
| Transwest Air | 9T | ABS | ATHABASKA | Canada |
| Trans Sayegh Airport Services | TSM | Lebanon | ||
| Trans-Air Services | TSN | AIR TRANS | Nigeria | |
| Transaero Airlines | UN | TSO | TRANSOVIET | Russia |
| Transportes Aéreos Inter | TSP | TRANSPO-INTER | Guatemala | |
| TJS San Marino S.r.L. | TSR | SAN MARINO | San Marino | |
| Tri-State Aero | TSS | TRI-STATE | United States | |
| TRAST | TST | TRAST | Kazakhstan | |
| Tropair Airservices | TSV | TROPIC | United Kingdom | |
| Transwings | TSW | SWISSTRANS | Switzerland | |
| Thai Star Airlines | T9 | TSX | THAI STAR | Thailand |
| Tristar Air | TSY | TRIPLE STAR | Egypt | |
| TTA | TTA | KANIMANBO | Mozambique | |
| Transteco | TTC | TRANSTECO | Angola | |
| Tarhan Tower Airlines | TTH | Turkey | ||
| Total Linhas Aéreas | TTL | TOTAL | Brazil | |
| Triple O Aviation | TTP | MIGHTY WING | Nigeria | |
| Transportaciones Y Servicios Aéreos | TTR | TRANSPORTACIONES | Mexico | |
| Transporte Aéreo Técnico Ejecutivo | TTS | TECNICO | Mexico | |
| Turkmenhovayollary | T5 | TUA | TURKMENISTAN | Turkmenistan |
| Turismo Aéreo de Chile | TUC | TURICHILE | Chile | |
| Tuninter | UG | TUI | Tunisia | |
| Tulpar Air | TUL | URSAL | Russia | |
| Tyumenspecavia | TUM | TUMTEL | Russia | |
| Taxi Aéreo Turístico | TUO | TURISTICO | Mexico | |
| Tulpar Air Service | TUX | TULPA | Kazakhstan | |
| Tuna Aero | TUZ | TUNA | Sweden | |
| Trans America Airlines | TVA | TRANS-AMERICA | United States | |
| Trabajos Aéreos Vascongados | TVH | TRAVASA | Spain | |
| Tiramavia | TVI | TIRAMAVIA | Moldova | |
| Travel Service | 7O< | TVL | TRAVEL SERVICE | Hungary |
| Transavio | TVO | TRANS-BALLERIO | Italy | |
| Tavrey Airlines | T6 | TVR | TAVREY | Ukraine |
| T way Air | TW | TWB | TWAYAIR | Republic of Korea |
| Transwede Airways | TWE | TRANSWEDE | Sweden | |
| Twinjet Aircraft Sales | TWJ | United Kingdom | ||
| Tradewinds Aviation | TWL | TRADEWINDS CANADA | Canada | |
| Transairways | TWM | Mozambique | ||
| Twente Airlines | TWO | COLIBRI | Netherlands | |
| Trans Air Welwitchia | TWW | WELWITCHIA | Angola | |
| Texair Charter | TXA | OKAY AIR | United States | |
| TransAVIAexport Airlines | AL | TXC | TRANSEXPORT | Belarus |
| Transilvania Express | TXE | TRANSAIR EXPRESS | Romania | |
| Taxi Aéreo Cozatl | TXL | TAXI COZATL | Mexico | |
| Taxi Aéreo de México | TXM | TAXIMEX | Mexico | |
| Texas National Airlines | TXN | TEXAS NATIONAL | United States | |
| Taxis Aéreos de Sinaloa | TXO | TAXIS SINALOA | Mexico | |
| Taxirey | TXR | TAXIREY | Mexico | |
| Texas Airlines | TXS | TEXAIR | United States | |
| Texas Air Charters | TXT | TEXAS CHARTER | United States | |
| Tex Star Air Freight | TXZ | TEX STAR | United States | |
| Tayflite | TYF | TAYFLITE | United Kingdom | |
| Trygg-Flyg | TYG | TRYGG | Sweden | |
| TJS Malta Ltd. | TYJ | TYROLMALTA | Malta | |
| Tyrol Air Ambulance | TYW | TYROL AMBULANCE | Austria | |
| Transporte Aéreo Ernesto Saenz | TZE | TRANSPORTE SAENZ | Mexico | |
| Tajikistan International Airlines | TZK | TAJIKSTAN | Tajikistan | |
| Thyssen Krupp AG | BLI | BLUELINE | Germany | |
| TUIfly Nordic | 6B | BLX | BLUESCAN | Sweden |
| Transportes Aéreos Bolivianos | BOL | BOL | Bolivia | |
| Tiphook PLC | BOX | BOX | United Kingdom | |
| Top Flight Air Service | CHE | CHECK AIR | United States | |
| Trans America | CLR | CLINTON AIRWAYS | United States | |
| Triple Alpha | CLU | CAROLUS | Germany | |
| Tashkent Aircraft Production Corporation | CTP | CORTAS | Uzbekistan | |
| Texas Airways | CWT | TEXAS AIRWAYS | United States | |
| Transportes Aéreos Don Carlos | DCL | DON CARLOS | Chile | |
| Telnic Limited | DOT | DOT TEL | United Kingdom | |
| Triton Airlines | DRC | TRITON AIR | Canada | |
| TAAG Angola Airlines | DT | DTA | DTA | Angola |
| Tassili Airlines | SF | DTH | TASSILI AIR | Algeria |
| Transporte Ejecutivo Aéreo | EAR | EJECUTIVO-AEREO | Mexico | |
| Transportes Aéreos Nacionales De Selva Tans | ELV | AEREOS SELVA | Peru | |
| TAG Farnborough Airport | FBO | United Kingdom | ||
| Transaviaservice | FNV | TRANSAVIASERVICE | Georgia | |
| TAG Aviation | FPG | TAG AVIATION | Switzerland | |
| The 955 Preservation Group | GFN | GRIFFON | United Kingdom | |
| Trans-Air-Link | GJB | SKY TRUCK | United States | |
| Tradewind Aviation | TJ | GPD | GOODSPEED | United States |
| Trail Lake Flying Service | HBA | HARBOR AIR | United States | |
| TAF Helicopters | HET | HELITAF | Spain | |
| Tango Bravo | HTO | HELI TANGO | France | |
| Turkish Air Force | HVK | TURKISH AIRFORCE | Turkey | |
| Thryluthjonustan | IHS | Iceland | ||
| Tibet Airlines | TBA | TIBET | China | |
| TA-Air Airline | IRF | TA-AIR | Iran | |
| Tara Air Line | IRR | TARAIR | Iran | |
| Trading Air Cargo | JCH | TRADING CARGO | Mauritania | |
| Trans-Kiev | KCA | TRANS-KIEV | Ukraine | |
| Tal Air Charters | JEL | JETEL | Canada | |
| Transcontinental Airlines | KRA | REGATA | Kazakhstan | |
| Transaviabaltika | KTB | TRANSBALTIKA | Lithuania | |
| Transair-Gyraintiee | KTS | KOTAIR | Russia | |
| TAM Mercosur | PZ | LAP | PARAGUAYA | Paraguay |
| The Lancair Company | LCC | LANCAIR | United States | |
| The Army Aviation Heritage Foundation | LEG | LEGACY | United States | |
| Top Sky International | LKW | TOPINTER | Indonesia | |
| Trans States Airlines | AX | LOF | WATERSKI | United States |
| Trans Atlantis | LTA | LANTRA | Canada | |
| Transportación Aérea Del Mar De Cortés | MCT | TRANS CORTES | Mexico | |
| Transporte Aero MGM | MGM | AERO EMM-GEE-EMM | Mexico | |
| Tigerfly | MOH | MOTH | United Kingdom | |
| Transportes Aéreos Amparo | MPO | AMPARO | Mexico | |
| Trans Air | MUI | MAUI | United States | |
| Transportes Aéreos Mexiquenses | MXQ | MEXIQUENSES | Mexico | |
| Travelsky Technology | 1E | China | ||
| Thalys | 2H | Belgium | ||
| TNT International Aviation | NTR | NITRO | United Kingdom | |
| Open Skies Consultative Commission | 1L | OSY | OPEN SKIES | United States |
| Trans-Pacific Orient Airways | PCW | PACIFIC ORIENT | Philippines | |
| Tauranga Aer Club | PGS | New Zealand | ||
| TSSKB-Progress | PSS | PROGRESS | Russia | |
| Trans World Express | RBD | RED BIRD | United States | |
| Trans Reco | REC | TRANS-RECO | Mauritania | |
| Tas Aviation | RMS | TASS AIR | United States | |
| Tarom | RO | ROT | TAROM | Romania |
| Transportes Aéreos I. R. Crusoe | ROU | ROBINSON CRUSOE | Chile | |
| Transportes Aéreos Sierra | RRT | SIERRA ALTA | Mexico | |
| Tbilisi Aviation University | RRY | AIRFERRY | Georgia | |
| Trans Am Compania | RTM | AERO TRANSAM | Ecuador | |
| Trans Sahara Air | SBJ | TRANS SAHARA | Nigeria | |
| Transportes Aéreos Sierra Madre | SEI | TRANSPORTE SIERRA | Mexico | |
| Trans Asian Airlines | SRT | TRASER | Kazakhstan | |
| Turan Air | 3T | URN | TURAN | Azerbaijan |
| TRIP Linhas Aéreas | T4 | TIB | TRIP | Brazil |
| Tusheti | USB | TUSHETI | Georgia | |
| TAPC Aviatrans Aircompany | UTM | AVIATAPS | Uzbekistan | |
| Trans-Ulgii | UTN | TRANS-ULGII | Mongolia | |
| Transarabian Transportation Services | UTT | ARABIAN TRANSPORT | Uganda | |
| Transaven | VEN | TRANSAVEN AIRLINE | Venezuela | |
| Tag Aviation UK | VIP | SOVEREIGN | United Kingdom | |
| Tbilaviamsheni | L6 | VNZ | TBILAVIA | Georgia |
| Taxi de Veracruz | VRC | VERACRUZ | Mexico | |
| XpressAir | XN | XAR | XPRESS | Indonesia |
| Taxi Aero Del Norte | XNR | TAXI NORTE | Mexico | |
| Tyrolean Airways | VO | TYR | TYROLEAN | Austria |
| Transportes Aéreos Nacionales | TX | TAN | Honduras | |
| TUI Airlines Netherlands | OR | TFL | ORANGE | Netherlands |
| Tianjin Airlines | GS | GCR | BO HAI | China |
| Tsaradia | TZ | Madagascar | ||
| Air Tanzania Company Limited | TC | ATC | TANZANIA | Tanzania |
| [51] | TUM | UEU | ||
| Uniworld Air Cargo | UCG | UNIWORLD | Panama | |
| Urumqi Airlines | CUH | LOULAN | China | |
| USAF | DOD | United States | ||
| U.S. Department of the Interior | DOI | INTERIOR | United States | |
| United Kingdom Civil Aviation Authority | CNV | EXAM | United Kingdom | |
| Union des Transports Africains de Guinee | GIH | TRANSPORT AFRICAIN | Guinea | |
| US Army Parachute Team | GKA | GOLDEN KNIGHTS | United States | |
| USA3000 Airlines | U5 | GWY | GETAWAY | United States |
| UNI Air | B7 | UIA | GLORY | Taiwan |
| United Arabian Airlines | UAB | UNITED ARABIAN | Sudan | |
| United Airlines | UA | UAL | UNITED | United States |
| United Airways | 4H | UBD | UNITED BANGLADESH | Bangladesh |
| United Air Charters | UAC | UNITAIR | Zimbabwe | |
| United Carriers Systems | UCS | UNITED CARRIERS | United States | |
| United Eagle Airlines | UEA | UNITED EAGLE | China | |
| United Feeder Service | UFS | FEEDER EXPRESS | United States | |
| United Kingdom Civil Aviation Authority | CFU | MINAIR | United Kingdom | |
| United Kingdom Royal VIP Flights | KRF | KITTYHAWK | United Kingdom | |
| United Kingdom Royal VIP Flight | KRH | SPARROWHAWK | United Kingdom | |
| United Kingdom Civil Aviation Authority | SDS | STANDARDS | United Kingdom | |
| United Kingdom Royal VIP Flights | TQF | RAINBOW | United Kingdom | |
| United States Coast Guard Auxiliary | CGX | COASTGUARD AUXAIR | United States | |
| United States Department Of Agriculture | AGR | AGRICULTURE | United States | |
| University Air Squadron | UAD | United Kingdom | ||
| University Air Squadron | UAJ | United Kingdom | ||
| University Air Squadron | UAA | United Kingdom | ||
| University Air Squadron | UAS | United Kingdom | ||
| Universal Avia | HBU | KHARKIV UNIVERSAL | Ukraine | |
| UK HEMS | HLE | HELIMED | United Kingdom | |
| USA Jet Airlines | U7 | JUS | JET USA | United States |
| Unijet | LEA | LEADAIR | France | |
| US Marshals Service | MSH | MARSHALAIR | United States | |
| University of North Dakota | NDU | SIOUX | United States | |
| Universal Airlines | PNA | PACIFIC NORTHERN | United States | |
| Upali Air | UPALI | Sri Lanka | ||
| Uganda Royal Airways | RAU | UGANDA ROYAL | Uganda | |
| United Aviation Services | SAU | UNISERVE | Spain | |
| Ural Airlines | U6 | SVR | SVERDLOVSK AIR | Russia |
| Ukraine Transavia | TRB | KIROVTRANS | Ukraine | |
| United Arab Emirates Air Force | UAF | UNIFORCE | United Arab Emirates | |
| Union Africaine des Transports | UAI | UNAIR | Ivory Coast | |
| Uganda Air Cargo | UCC | UGANDA CARGO | Uganda | |
| US Airports Air Charter | UCH | US CHARTER | United States | |
| Ucoaviacion | UCO | UCOAVIACION | Spain | |
| Ues-Avia Aircompany | UES | AVIASYSTEM | Ukraine | |
| Uganda Airlines (1976–2001) | QU | UGA | UGANDA | Uganda |
| Uganda Airlines | UR | UGD | CRESTED | Uganda |
| Urgemer Canarias | UGC | URGEMER | Spain | |
| Ukrainian Helicopters | UHL | UKRAINE COPTERS | Ukraine | |
| Ulyanovsk Higher Civil Aviation School | UHS | PILOT AIR | Russia | |
| Universal Jet Rental de Mexico | UJR | UNIVERSAL JET | Mexico | |
| Universal Jet Aviation | UJT | UNI-JET | United States | |
| UK International Airlines | UKI | KHALIQ | United Kingdom | |
| Ukraine Air Alliance | UKL | UKRAINE ALLIANCE | Ukraine | |
| UM Airlines | UF | UKM | UKRAINE MEDITERRANEE | Ukraine |
| Ukraine Air Enterprise | UKN | ENTERPRISE UKRAINE | Ukraine | |
| United Kingdom Home Office | UKP | POLICE | United Kingdom | |
| Ukrainian Cargo Airways | 6Z | UKS | CARGOTRANS | Ukraine |
| Ultrair | ULT | ULTRAIR | United States | |
| Ultimate HELI | ULH | ULTIMATEHELI | South Africa | |
| Ultimate Air | ULR | VIPER | South Africa | |
| Uni-Fly | UNC | UNICOPTER | Denmark | |
| Union Flights | UNF | UNION FLIGHTS | United States | |
| Universal Jet | UNJ | PROJET | Spain | |
| Unsped Paket Servisi | UNS | UNSPED | Turkey | |
| Unifly Servizi Aerei | UNU | UNIEURO | Italy | |
| Ukrainian Pilot School | UPL | PILOT SCHOOL | Ukraine | |
| United Parcel Service | 5X | UPS | UPS | United States |
| Uraiavia | URV | URAI | Russia | |
| US Airways | US | AWE | CACTUS | United States |
| US-Bangla Airlines | BS | UBG | BANGLA STAR | Bangladesh |
| USAfrica Airways | USF | AFRICA EXPRESS | United States | |
| US Helicopter | UH | USH | US-HELI | United States |
| US Jet | USJ | USJET | United States | |
| UTair Aviation | USX | UTAIR | Russia | |
| UTAGE | UTG | UTAGE | Equatorial Guinea | |
| Utair South Africa | UTR | AIRUT | South Africa | |
| Ukrainian State Air Traffic Service Enterprise | UTS | AIRRUH | Ukraine | |
| Urartu-Air | UTU | Armenia | ||
| Universal Airways | UVA | UNIVERSAL | United States | |
| Universal Airlines | UVG | GUYANA JET | Guyana | |
| Uvavemex | UVM | UVAVEMEX | Mexico | |
| United States Air Force | AIO | AIR CHIEF | United States | |
| United Aviation | UVN | UNITED AVIATION | Kuwait | |
| Uzbekistan Airways | HY | UZB | UZBEK | Uzbekistan |
| Ukraine International Airlines | PS | AUI | UKRAINE INTERNATIONAL | Ukraine |
| Universal Airlines | WEC | AIRGO | United States | |
| Unavia Suisse | US | Switzerland | ||
| USAF 100th Air Refueling Wing | QID | QUID | United States | |
| University of Tromsø School of Aviation | UIT | ARCTIC | Norway | |
| Vanilla Air | JW | VNL | VANILLA | Japan |
| Volant Aviation International | VAI | Pakistan | ||
| Veca Airlines | VAR | VECA | El Salvador | |
| Volare 22 X | VLR | VOLAX | Mexico | |
| Voldirect | VDR | VOLDIR | France | |
| Valair Aviação Lda | VVV | VALAIRJET | Portugal | |
| VIVA Aerobus | VB | VIV | AEROENLACES | Mexico |
| V I Airlink | VIL | TURTLE DOVE | British Virgin Islands | |
| Virgin Australia Airlines | VA | VOZ | VELOCITY | Australia |
| V Bird Airlines Netherlands | VBA | VEEBEE | Netherlands | |
| V-avia Airline | WIW | VEE-AVIA | Ukraine | |
| V-Berd-Avia | VBD | VEEBIRD-AVIA | Armenia | |
| Vacationair | VAC | VACATIONAIR | Canada | |
| Valair AG (Helicoptere) | RDW | ROADWATCH | Switzerland | |
| Valan International Cargo Charter | VLA | NALAU | South Africa | |
| Valan Limited | VLN | VALAN | Moldova | |
| Valfell-Verkflug | EHR | ROTOR | Iceland | |
| Valuair | VF | VLU | VALUAIR | Singapore |
| ValuJet Airlines | J7 | VJA | CRITTER | United States |
| Van Air Europe | VAA | EUROVAN | Czech Republic | |
| Vanguardia en Aviación en Colima | VGC | VANGUARDIA COLIMA | Mexico | |
| Vanguard Airlines | VGD | VANGUARD AIR | United States | |
| Vietnam Air Services Company | 0V | VFC | VASCO AIR | Vietnam |
| Vega | VAG | SEGA | Kazakhstan | |
| Vega Air Company | WGA | WEGA FRANKO | Ukraine | |
| Veles, Ukrainian Aviation Company | WEL | VELES | Ukraine | |
| Verataxis | VTX | VERATAXIS | Mexico | |
| Veritair Ltd | BTP | NET RAIL | United Kingdom | |
| Voyageur Airways | VC | VAL | VOYAGEUR | Canada |
| Vernicos Aviation | GRV | NIGHT RIDER | Greece | |
| Vietnam Airlines | VN | HVN | VIET NAM AIRLINES | Vietnam |
| Vozdushnaya Academy | KWA | VOZAIR | Kazakhstan | |
| VIM Airlines | NN | MOV | MOV AIR | Russia |
| VIM-Aviaservice | MVY | Russia | ||
| Via Rail Canada | 2R | Canada | ||
| Victoria Aviation | ENV | ENDEAVOUR | United Kingdom | |
| Viscount Air Service | VCT | VISCOUNT AIR | United States | |
| Vision Airlines | SSI | SUPER JET | Nigeria | |
| VIP Air Charter | FXF | FOX FLIGHT | United States | |
| VIP Avia | PAV | NICOL | Kazakhstan | |
| VIP Avia | PRX | PAREX | Latvia | |
| Visionair | VAT | VISIONAIR | Ireland | |
| Viasa | VA | Venezuela | ||
| VICA - Viacao Charter Aéreos | VCA | VICA | Brazil | |
| Volare Air Charter Company | VCM | CARMEN | United States | |
| Volaris | Y4 | VOI | VOLARIS | Mexico |
| Volga-Dnepr Airlines | VI | VDA | VOLGA | Russia |
| Vega Airlines | VEA | VEGA AIRLINES | Bulgaria | |
| Venescar Internacional | VEC | VECAR | Venezuela | |
| Victor Echo | VEE | VICTOR ECHO | Spain | |
| Virgin Express Ireland | VEI | GREEN ISLE | Ireland | |
| Virgin America | VX | VRD | REDWOOD | United States |
| Vietjet Air | VJ | VJC | VIETJET | Vietnam |
| Vieques Air Link | V4 | VES | VIEQUES | United States |
| Virgin Express | TV | VEX | VIRGIN EXPRESS | Belgium |
| VZ Flights | VFT | ZETA FLIGHTS | Mexico | |
| Virgin Nigeria Airways | VK | VGN | VIRGIN NIGERIA | Nigeria |
| Vologda State Air Enterprise | VGV | VOLOGDA AIR | Russia | |
| VH-Air Industrie | VHA | AIR V-H | Angola | |
| VHM Schul-und-Charterflug | VHM | EARLY BIRD | Germany | |
| Vibroair Flugservice | VIB | VITUS | Germany | |
| VIP Servicios Aéreos Ejecutivos | VIC | VIP-EJECUTIVO | Mexico | |
| VIP Empresarial | VIE | VIP EMPRESARIAL | Mexico | |
| VIF Luftahrt | VIF | VIENNA FLIGHT | Austria | |
| Vega Aviation | VIG | VEGA AVIATION | Sudan | |
| Vichi | VIH | VICHI | Moldova | |
| Viking Airlines | VIK | SWEDJET | Sweden | |
| Vinair Aeroserviços | VIN | VINAIR | Portugal | |
| Virgin Atlantic Airways | VS | VIR | VIRGIN | United Kingdom |
| Viajes Ejecutivos Mexicanos | VJM | VIAJES MEXICANOS | Mexico | |
| Vistajet | VJT | VISTA | Canada | |
| Vistajet | VJT | VISTA MALTA | Malta | |
| Viva Macau | ZG | VVM | JACKPOT | Macao |
| C.A.I. Second | VE | VLE | VOLA | Italy |
| Vueling Airlines | VY | VLG | VUELING | Spain |
| Vladivostok Air | XF | VLK | VLADAIR | Russia |
| Varig Logística | LC | VLO | VELOG | Brazil |
| Vertical-T Air Company | VLT | VERTICAL | Russia | |
| Vero Monmouth Airlines | VMA | VERO MONMOUTH | United States | |
| Vipport | VNK | Russia | ||
| Viaggio Air | VM | VOA | VIAGGIO | Bulgaria |
| Voyager Airlines | VOG | VOYAGER AIR | Bangladesh | |
| Vipair Airlines | 9V | VPA | VIAIR | Kazakhstan |
| Veteran Air | VPB | VETERAN | Ukraine | |
| VIP-Avia | VPV | VIP AVIA | Georgia | |
| Vertair | VRA | VERITAIR | United Kingdom | |
| Volare Airlines | VRE | UKRAINE VOLARE | Ukraine | |
| Voar Lda | VRL | VOAR LINHAS | Angola | |
| VRG Linhas Aéreas | RG | VRN | VARIG | Brazil |
| Viva Air Colombia | VH | VVC | Viva Air Colombia | Colombia |
| Vickers Limited | VSB | VICKERS | United Kingdom | |
| Vision Airways Corporation | VSN | VISION | Canada | |
| Voronezh Aircraft Manufacturing Society | VSO | VASO | Russia | |
| VASP | VP | VSP | VASP | Brazil |
| Virign Islands Seaplane Shuttle | VSS | WATERBIRD | United States | |
| Vuelos Especializados Tollocan | VTC | VUELOS TOLLOCAN | Mexico | |
| Vuelos Corporativos de Tehuacan | VTH | VUELOS TEHUACAN | Mexico | |
| Volotea | V7 | VOE | VOLOTEA | Spain |
| Vostok Airlines | VTK | VOSTOK | Russia | |
| Victor Tagle Larrain | VTL | VITALA | Chile | |
| Vointeh | VTV | VOINTEH | Bulgaria | |
| Vuelos Internos Privados VIP | VUR | VIPEC | Ecuador | |
| Vuela Bus | VUS | VUELA BUS | Mexico | |
| Vzlyet | VZL | VZLYET | Russia | |
| VLM Airlines | VG | VLM | RUBENS | Belgium |
| Viking Express | WCY | TITAN AIR | United States | |
| Victoria International Airways | WEV | VICTORIA UGANDA | Uganda | |
| Air Volga | G6 | WLG | GOUMRAK | Russia |
| Viennair | VNR | VIENNAIR | Austria | |
| Vistara | UK | VTI | Vistara | India |
| WDL Aviation | WD | WDL | WDL | Germany |
| WRA Inc | WRR | WRAP AIR | United States | |
| WSI Corporation | XWS | United States | ||
| Walmart Aviation | CGG | CHARGE | United States | |
| Walsten Air Services | WAS | WALSTEN | Canada | |
| WaltAir | GOT | GOTHIC | Sweden | |
| Wapiti Aviation | WPT | WAPITI | Canada | |
| Warbelow s Air Ventures | WAV | WARBELOW | United States | |
| Warwickshire Aerocentre Ltd. | ATX | AIRTAX | United Kingdom | |
| Wasaya Airways | WT | WSG | WASAYA | Canada |
| Wayraperú | WAYRAPERÚ | Peru | ||
| Weasua Air Transport Company | WTC | WATCO | Liberia | |
| WebJet Linhas Aéreas | WH | WEB | WEB-BRASIL | Brazil |
| Welch Aviation | TDB | THUNDER BAY | United States | |
| Welcome Air | 2W | WLC | WELCOMEAIR | Austria |
| Wermlandsflyg AB | BLW | BLUESTAR | Sweden | |
| West Africa Airlines | WCB | KILO YANKEE | Ghana | |
| West African Air Transport | WTF | WESTAF AIRTRANS | Senegal | |
| West African Airlines | WZ | WSF | Benin | |
| West African Cargo Airlines | WAC | WESTAF CARGO | Mauritania | |
| West Air Luxembourg | WLX | WEST LUX | Luxembourg | |
| West Air Sweden | PT | SWN | AIR SWEDEN | Sweden |
| West Caribbean Airways | YH | WCW | WEST | Colombia |
| West Caribbean Costa Rica | WCR | WEST CARIBBEAN | Costa Rica | |
| West Coast Air | 8O | YWZ | COAST AIR | Canada |
| West Coast Airlines | United States | |||
| West Coast Airlines | WCG | WHISKY INDIA | Ghana | |
| West Coast Airways | WCA | WEST-LEONE | Sierra Leone | |
| West Coast Charters | WCC | WEST COAST | United States | |
| West Freugh DTEO | TEE | TEEBIRD | United Kingdom | |
| West Wind Aviation | WEW | WESTWIND | Canada | |
| WestJet | WS | WJA | WESTJET | Canada |
| Westair Aviation | WAA | WESTAIR WINGS | Namibia | |
| Westair Cargo Airlines | WSC | WESTCAR | Côte d Ivoire | |
| Westair Industries | PCM | PAC VALLEY | United States | |
| Westcoast Energy | BLK | BLUE FLAME | Canada | |
| Western | XP | CXP | RUBY MOUNTAIN | United States |
| Western Air | WST | WESTERN BAHAMAS | Bahamas | |
| Western Air Couriers | NPC | NORPAC | United States | |
| Western Air Express | WAE | WESTERN EXPRESS | United States | |
| Western Airlines | WA | WAL | WESTERN | United States |
| KLM Cityhopper | WA | KLC | CITY | the Netherlands |
| Western Arctic Air | WAL | WESTERN ARCTIC | Canada | |
| Western Aviators | WTV | WESTAVIA | United States | |
| Western Express Air Lines | WES | WEST EX | Canada | |
| Western Global Airlines | WGN | WESTERN GLOBAL | United States | |
| Western Pacific Airlines | W7 | KMR | KOMSTAR | United States |
| Western Pacific Airservice | WPA | WESTPAC | Solomon Islands | |
| Westflight Aviation | WSL | WEST LINE | United Kingdom | |
| Westgates Airlines | WSA | WESTATES | United States | |
| Westland Helicopters | WHE | WESTLAND | United Kingdom | |
| Westpoint Air | WTP | WESTPOINT | Canada | |
| Westward Airways | CN | WWD | WESTWARD | United States |
| White | WHT | WHITEJET | Portugal | |
| White Eagle Aviation | WEA | WHITE EAGLE | Poland | |
| White River Air Services | WRA | Canada | ||
| Whyalla Airlines | WWL | Australia | ||
| Widerøe | WF | WIF | WIDEROE | Norway |
| Wiggins Airways | WIG | WIGGINS AIRWAYS | United States | |
| Wiking Helikopter Service | WHS | WEEKING | Germany | |
| Wilbur s Flight Operations | WFO | WILBURS | United States | |
| Air Wales Virtual | WLS | WALES | United Kingdom | |
| Williams Grand Prix Engineering | WGP | GRAND PRIX | United Kingdom | |
| Wimbi Dira Airways | WDA | WIMBI DIRA | Democratic Republic of Congo | |
| Winair | WNA | WINAIR | United States | |
| Wind Jet | IV | JET | GHIBLI | Italy |
| Wind Spirit Air | WSI | WIND SPIRIT | United States | |
| Windrose Air | 7W | QGA | QUADRIGA | Germany |
| Windward Islands Airways International | WIA | WINDWARD | Netherlands | |
| Wings Air | IW | WON | WINGS ABADI | Indonesia |
| Wings Air Transport | WAT | Sudan | ||
| Wings Airways | WAW | WING SHUTTLE | United States | |
| Wings Aviation | WOL | WINGJET | Guyana | |
| Wings Express | WEX | WINGS EXPRESS | United States | |
| Wings of Lebanon Aviation | WLB | WING LEBANON | Lebanon | |
| Winlink | WIN | WINLINK | Saint Lucia | |
| Wisconsin Air National Guard | WAG | United States | ||
| Wisman Aviation | WSM | WISMAN | United States | |
| Wizz Air Bulgaria | 8Z | WVL | WIZZBUL | Bulgaria |
| Wizz Air | W6 | WZZ | WIZZAIR | Hungary |
| Wizz Air UK | W9 | WUK | WIZZ GO | United Kingdom |
| Wondair on Demand Aviation | WNR | WONDAIR | Spain | |
| Woodgate Aviation | CWY | CAUSEWAY | United Kingdom | |
| World Airways | WO | WOA | WORLD | United States |
| World Weatherwatch | XWW | Canada | ||
| World Wing Aviation | WWM | MANAS WING | Kyrgyzstan | |
| Worldspan | 1P | United States | ||
| SW Italia | UI | CSW | SILKITALIA | Italy |
| Worldwide Aviation Services | WWS | Pakistan | ||
| Worldwide Jet Charter | WWI | WORLDWIDE | United States | |
| WOW air | WW | WOW | WOW air | Iceland |
| Wright Airlines | WRT | WRIGHT-AIR | United States | |
| Wright Air Service | 8V | WRF | WRIGHT FLYER | United States |
| Wuhan Airlines | CWU | WUHAN AIR | China | |
| Wycombe Air Centre | WYC | WYCOMBE | United Kingdom | |
| Wyoming Airlines | WYG | WYOMING | United States | |
| Wataniya Airways | KW | WAN | WATANIYA | Kuwait |
| Wan Air | 3W* | VNR | WANAIR | French Polynesia |
| WestJet Encore | WR | WEN | ENCORE | Canada |
| Xabre Aerolineas | XJE | AERO XABRE | Mexico | |
| Xair | XAE | AURA | Czech Republic | |
| XJC | XJC | EXCLUSIVE JET | United Kingdom | |
| Xerox Corporation | XER | XEROX | United States | |
| Express Air Cargo | 7A | XRC | TUNISIA CARGO | Tunisia |
| Xiamen Airlines | MF | CXA | XIAMEN AIR | China |
| Xinjiang Airlines | CXJ | XINJIANG | China | |
| XL Airways France | XJT | STARWAY | France | |
| XL Airways Germany | GXL | STARDUST | Germany | |
| XOJet | XOJ | EXOJET | United States | |
| XP International | XPS | XP PARCEL | Netherlands | |
| Xpedite | BIGSPLASH | United Kingdom | ||
| Xstrata Nickel | RAG | RAGLAN | Canada | |
| Xtra Airways | XP | CXP | CASINO EXPRESS | United States |
| Yellow River Delta General Aviation | DGA | YELLOW RIVER | China | |
| Yak Air | YRG | YAKAIR GEORGIA | Georgia | |
| Yak-Service | AKY | YAK-SERVICE | Russia | |
| Yakolev | YAK | YAK AVIA | Russia | |
| Yamal Airlines | YL | LLM | YAMAL | Russia |
| Yakolev | YAK | YAK AVIA | Russia | |
| Yakutia Airlines | R3 | SYL | AIR YAKUTIA | Russia |
| Yana Airlines | CYG | VICAIR | Cambodia | |
| Yangon Airways | AYG | AIR YANGON | Burma | |
| Yangtze River Express | Y8 | YZR | YANGTZE RIVER | China |
| Yankee Lima Helicopteres | LYH | HELIGUYANE | France | |
| Yas Air Kish | MHD | YAS AIR | Iran | |
| Yellow Air Taxi/Friendship Airways | Y0 | EMJ | United States | |
| Yellow Wings Air Services | ELW | YELLOW WINGS | Kenya | |
| Yemenia | IY | IYE | YEMENI | Yemen |
| Yerevan-Avia | ERV | YEREVAN-AVIA | Armenia | |
| Yeti Airlines | YT | NYT | YETI AIRLINES | Nepal |
| Young Flying Service | YFS | YOUNG AIR | United States | |
| Yuhi Air Lines | AYU | Japan | ||
| Yunnan Yingan Airlines | AYE | AIR YING AN | China | |
| Yute Air Alaska | 4Y | UYA | United States | |
| Yuzhnaya Aircompany | UGN | PLUTON | Kazakhstan | |
| Yuzhmashavia | 2N | UMK | YUZMASH | Ukraine |
| Zenith Aviation | BZE | ZENSTAR | United Kingdom | |
| Zaab Air | AZB | ZAAB AIR | Ghana | |
| Zas Air | AZJ | Egypt | ||
| Zenith Air | AZR | ZENAIR | South Africa | |
| Zhejiang Loong Airlines | CDC | HUALONG | China | |
| Zanesville Aviation | CIT | ZANE | United States | |
| Zenmour Airlines | EMR | ZENMOUR | Mauritania | |
| Zest Airways | EZD | ZEST AIRWAYS | Philippines | |
| Zagros Air | GZQ | ZAGROS | Iran | |
| Zimex Aviation | C4 | IMX | ZIMEX | Switzerland |
| Zagros Airlines | IZG | ZAGROS | Iran | |
| Zhetysu | JTU | ZHETYSU | Kazakhstan | |
| Z-Aero Airlines | KVZ | Ukraine | ||
| Zhez Air | KZH | Kazakhstan | ||
| Zephyr Aviation | MBG | CHALGROVE | United Kingdom | |
| Zracno Pristaniste Mali Losinj | MLU | MALI LOSINJ | Croatia | |
| Zenith Aviation (Malta) | MZE | Malta | ||
| Zorex | ORZ | ZOREX | Spain | |
| Zapolyarye Airline Company | PZY | ZAPOLYARYE | Russia | |
| Zephyr Express | RZR | RECOVERY | United States | |
| Zhersu Avia | RZU | ZHERSU AVIA | Kazakhstan | |
| Zil Air | SYZ | ZIL AIR | Seychelles | |
| Zanair | TAN | ZANAIR | Tanzania | |
| Zaire Aero Service | ZAI | ZASAIR | Democratic Republic of Congo | |
| Zambia Skyways | ZAK | ZAMBIA SKIES | Zambia | |
| Zairean Airlines | ZAR | ZAIREAN | Domocratic Republic of Congo | |
| Zetavia | ZAV | ZETAVIA | Ukraine | |
| Zoom Airways | ZAW | ZED AIR | Bangladesh | |
| Zambezi Airlines | ZMA | ZAMBEZI WINGS | Zambia | |
| Z-Avia | RZV | ZEDAVIA | Armenia | |
| Zambian Airways | Q3 | MBN | ZAMBIANA | Zambia |
| Zantop International Airlines | ZAN | ZANTOP | United States | |
| ZAS Airlines of Egypt | ZAS | ZAS AIRLINES | Egypt | |
| Zhejiang Airlines | CJG | ZHEJIANG | China | |
| Zhongfei General Aviation | CFZ | ZHONGFEI | China | |
| Zhongyuan Aviation | CYN | ZHONGYUAN | China | |
| Zip | 3J | WZP | ZIPPER | Canada |
| ZIPAIR Tokyo | TZT | Japan | ||
| Zoom Airlines | Z4 | OOM | ZOOM | Canada |