| Airline | IATA | ICAO |
| 135 Airway | OZ | AAR |
| |
| 40 Mile Air | Q5 | MLA |
| |
| AB Airlines | 7L | AZX |
| ABSA CARGO | M3 | TUS |
| ABX AIR | GB | ABX |
| AccessAir | ZA | CYD |
| ACES Colombia | VX | AES |
| ADA AIR | ZY | ADE |
| ADAM SKY CONNECTION AIRLINES | KI | DHI |
| ADC Airlines | Z7 | ADK |
| Ade Air Albania | ZY | ADE |
| Adria Airways | JP | ADR |
| Aegean Aviation | A3 | AEE |
| Aer Arann | RE | REA |
| AER ARANN ISLANDS | RE | REA |
| Aer Lingus | EI | EIN |
| AERO AIRLINES | EE | EAY |
| AERO ASIA | E4 | RSO |
| Aero Asia International | E4 | RSO |
| AERO BENIN | EM | AEB |
| AERO CARIBBEAN | 7L | CRN |
| Aero Charter Airlines - ACR | DW | UCR |
| AERO CONDOR [PERU] | Q6 | CDP |
| Aero Continente | N6 | ACQ |
| Aero Contractors Company of Nigeria - ACN | AJ | NIG |
| AERO FLIGHT | GV | ARF |
| Aero Lloyd | YP | AEF |
| AERO MONGOLIA | MB | MNG |
| AERO SERVICE [CONGO] | BF | RSR |
| Aero Services Executive | W4 | BES |
| AERO VIP | QD | QCL |
| Aero Zambia | Z9 | RZL |
| AERO-CHARTER UKRAINE | DW | UCR |
| AERO-TROPICS AIR SERVICES | HC | ATI |
| Aerocalifornia | JR | SER |
| Aerocaribbean | 7L | CRN |
| AeroCaribe | QA | CBE |
| Aerocondor | Q6 | CDP |
| AEROCONDOR | 2B | ARD |
| Aerocontractors | AJ | NIG |
| Aerocozumel | UZ | AZM |
| Aeroexo - Aero Ejectivo | SX | AJO |
| Aeroflight | GV | ARF |
| Aeroflot Russian International Airlines | SU | AFL |
| Aerofreight Airlines | RS | FRT |
| Aerolineas Argentinas | AR | ARG |
| Aerolineas de Baleares | DF | ABH |
| AEROLINEAS GALAPAGOS | 2K | GLG |
| Aerolineas Internacionales | N2 | LNT |
| AEROLINEAS PARAGUAYAS | A8 | PAY |
| Aerolineas Santo Domingo | EX | SDO |
| AEROLINEAS SOSA | P4 | NSO |
| Aerolitoral | 5D | SLI |
| AeroLyon | 4Q | AEY |
| Aeromar | BQ | ROM |
| AEROMAR | VW | TAO |
| Aeromar Airlines | VW | TAO |
| Aeromexico | AM | AMX |
| Aeromexpress | QO | MPX |
| AEROMIST KHARKIV | HT | AHW |
| AeroPelican Air Services | OT | PEL |
| Aeroperlas | WL | APP |
| Aeroperu | PL | PLI |
| Aeropostal | VH | LAV |
| AEROPOSTAL ALAS DE VENEZOLANA | VH | LAV |
| Aerora | QN | ARR |
| AERORA S.A. | QN | ARR |
| Aerorepublica Colombia | P5 | RPB |
| Aeroservice | BF | RSR |
| Aerosucre | 6N | KRE |
| AEROSUCRE COLOMBIA | 6N | KRE |
| Aerosur | 5L | ASU |
| AEROSUR [BOLIVIA] | 5L | RSU |
| AEROSVIT AIRLINES | VV | AEW |
| Aerosweet Airlines | VV | AEW |
| AEROTRANS AIRLINE | L4 | ATG |
| AEROTRANSPORTE DE CARGA UNION | 6R | TNO |
| AEROTRANSPORTES PRIVADOS | WP | PRI |
| Aerotur | 5T | TUR |
| AEROTUR S.A. | 5T | TUR |
| Aerovias DAP | X8 | DAP |
| AEROVIP | 2D | AOG |
| Affretair | ZL | AFM |
| AFRICAN EXPRESS AIRWAYS | XU | AXK |
| Afro International | OR | AOR |
| Afrqiqiyah Airways | 8U | AAW |
| AGENCE D'AFFRETEMENT AERIEN INC. | F8 | AMO |
| Aigle Azur | ZI | AAF |
| Air 2000 | DP | AMM |
| Air Adriatic | GG | AHR |
| Air Affaires EJA France | ZG | AEJ |
| Air Afrique | RK | RKA |
| Air Alfa | H7 | LFA |
| Air Algerie | AH | DAH |
| Air Alma | QB | AAJ |
| Air Alpha | GD | AHA |
| AIR ALPHA GREENLAND | GD | AHA |
| AIR ALPS AVIATION | A6 | LPV |
| Air Alsie | TD | ALS |
| AIR ANDAMAN | 2Y | ADW |
| Air Arabia | G9 | ABY |
| AIR ARMENIA | QN | ARR |
| Air Aruba | FQ | ARU |
| AIR ASTANA | 4L | KZR |
| Air Atlanta - Atlanta Icelandic Air Transport | CC | ABD |
| Air Atlantique - Air Publicite | V6 | APB |
| AIR ATLANTIQUE [FRANCE] | V6 | APB |
| Air Austral | UU | REU |
| Air Baltic | BT | BTI |
| Air BC | ZX | ABL |
| Air Belgium International | AJ | ABB |
| Air Berlin | AB | BER |
| Air Bosna | JA | BON |
| Air Botnia | AB | BER |
| Air Botswana | BP | BOT |
| AIR BOURBON | ZN | BUB |
| Air Bourgogne Europe | G9 | ABY |
| Air Burkina | 2J | VBW |
| Air Burundi | 8Y | PBU |
| Air Caledonie | TY | TPC |
| Air Caledonie International | SB | ACI |
| Air Canada | AC | ACA |
| Air Canada Jazz | QK | JZA |
| AIR CARAIBES [GUADELOUPE] | TX | FWI |
| Air Cargo Carriers | 2Q | SNC |
| Air Caribbean | C2 | CBB |
| Air Cavrel | 9X | ACL |
| Air Chathams | CV | CVA |
| Air China | CA | CCA |
| AIR CLASS | QD | QCL |
| Air Contractors | AG | ABR |
| Air Creebec | YN | CRQ |
| Air Dabia | YM | DBG |
| AIR DECCAN | DN | DKN |
| Air Djibouti - Red Sea Airlines | DY | DJU |
| Air Dolomiti | EN | DLA |
| Air Enterprise International | KD | AEN |
| AIR ENTREPRISE | KD | AEN |
| Air Europa | UX | AEA |
| Air Europe Italy | PE | AEL |
| AIR EXEL NETHERLANDS | XT | AXL |
| Air Express (Norrkoping) | XV | GOT |
| AIR EXPRESS [TANZANIA] | ZG | AEJ |
| AIR FIJI | PC | FAJ |
| Air Fiji (Fiji Air Services) | PC | FAJ |
| AIR FINLAND | OF | FIF |
| Air Foyle | GS | UPA |
| Air France | AF | AFR |
| Air Gabon | GN | AGN |
| Air Georgian | ZX | GGN |
| Air Glaciers | 7T | AGV |
| Air Great Wall | G8 | CGW |
| Air Greece | JG | AGJ |
| AIR GREENLAND | GL | GRL |
| Air Guinee | GI | GIB |
| Air Guizhou - Guizhou Airlines | G4 | CGH |
| Air Guyane | GG | GUY |
| Air Holland | GG | AHR |
| Air Hong Kong | LD | AHK |
| AIR ICELAND | NY | FXI |
| Air Iceland - Flugfelag Islands | NY | FXI |
| Air India | AI | AIC |
| Air Inuit | 3H | AIE |
| Air Jamaica | JM | AJM |
| Air Jamaica Express | JQ | JMX |
| Air Kazakstan | 9Y | KZK |
| AIR KHARKOV | H8 | KHV |
| Air Koryo | JS | KOR |
| Air Labrador - Labrador Airways | WJ | LAL |
| Air Liberia | NL | ALI |
| Air Liberte | IW | LIB |
| AIR LIBYA TIBESTI | 7Q | TLR |
| AIR LITHUANIA | TT | KLA |
| Air Lithuania - Aviakompanija Lietuva | TT | KLA |
| Air Littoral | FU | LIT |
| Air Macau | NX | AMU |
| Air Madagascar | MD | MDG |
| Air Malawi | QM | AML |
| Air Maldives | L6 | AMI |
| Air Mali | L9 | MLI |
| Air Malta | KM | AMC |
| AIR MANITOBA | 7N | NAM |
| Air Manitoba - Northland Air Manitoba | 7N | NAM |
| Air Marshall Islands | CW | MRS |
| Air Mauritanie | MR | MRT |
| Air Mauritius | MK | MAU |
| Air Mediterranee | DR | BIE |
| Air Moldova | 9U | MLD |
| Air Moldova International | RM | MLV |
| Air Montreal | F8 | AMO |
| Air Moorea | QE | TAH |
| Air Namibia | SW | NMB |
| AIR NAMIBIA-NATIONAL AIRLINES | SW | NMB |
| Air Nauru | ON | RON |
| Air Nevada Airlines | LW | ANV |
| Air New Zealand | NZ | ANZ |
| Air New Zealand Link / Mount Cook Airlines | NM | NZM |
| Air Niger | AW | AWN |
| Air Nippon | EL | ANK |
| AIR NIPPON NETWORK | EH | AKX |
| Air Niugini | PX | ANG |
| Air North Charter | 4N | ANT |
| Air North Regional | TL | ANO |
| Air Nostrum | YW | ANS |
| Air Nunavut | YH | BFF |
| AIR OMEGA [GERMANY] | OE | AOW |
| Air One | AP | ADH |
| AIR ONE [ITALY] | AP | ADH |
| Air Pacific | FJ | FJI |
| Air Pacific Crake | N8 | CRK |
| AIR PACIFIC [FIJI] | FJ | FJI |
| AIR PARADISE INTERNATIONAL | AD | PRZ |
| Air Philippines | 2P | GAP |
| Air Plus Comet | A7 | MPD |
| Air Provence International | P3 | APR |
| Air Saint Barthelemy (Barths Aviation) | PV | BTH |
| Air Saint Pierre | PJ | SPM |
| Air Senegal International | V7 | SNG |
| Air Service Gabon | G8 | AGB |
| Air Seychelles | HM | SEY |
| Air Sicilia | BM | SIC |
| Air Sinai | 4D | ASD |
| Air Slovakia | GM | SVK |
| Air Sofia | CT | SFB |
| Air Sunshine | YI | RSI |
| AIR SUNSHINE [FL-USA] | YI | RSI |
| Air Tahiti | VT | VTA |
| Air Tahiti NUI | TN | THT |
| Air Tahoma | 5C | HMA |
| Air Tanzania | TC | ATC |
| Air Tchad | HT | HTT |
| AIR TOGO | YT | TGA |
| Air Transat | TS | TSC |
| Air Transport International - ATI | 8C | ATN |
| AIR TURKS & CAICOS | JY | IWY |
| AIR UKRAINE | 6U | UKR |
| Air Ukraine - Avialinii Ukrainy | 6U | UKR |
| Air Urga | 3N | URG |
| Air Vallee | DO | RVL |
| Air Vanuatu | NF | AVN |
| Air Vegas | 6V | VGA |
| Air Venezuela | 7Q | VZA |
| AIR VIA BULGARIAN AIRWAYS | VL | VIM |
| AIR WALES | 6G | AWW |
| Air Wisconsin | ZW | AWI |
| Air Zena | A9 | TGZ |
| Air Zimbabwe | UM | AZW |
| AirAsia | AK | AXM |
| Airborne Express - ABX Air | GB | ABX |
| Aircompany Airlines Kharkov | H8 | KHV |
| Aires - Aerovias de Integracion Regional | 4C | ARE |
| AIRES Colombia | 4C | ARE |
| Airfreight Express | 5Z | AFX |
| AirLib | IW | LIB |
| AIRLINAIR | A5 | RLA |
| Airlines Belgium | UG | TUI |
| Airlines of Papua New Guinea | CG | TOK |
| Airlink Airways | FA | HYR |
| AIRNORTH REGIONAL | TL | ANO |
| Airpac | 5P | APM |
| AIRSTARS | PL | ASE |
| Airtours International Airways | 5A | AIH |
| Airtran Airways | FL | TRS |
| AIRZENA GEORGIAN AIRLINES | A9 | TGZ |
| AJT Air International | E9 | TRJ |
| Aklak Air | 6L | AKK |
| Alaska Airlines | AS | ASA |
| ALASKA CENTRAL EXPRESS | KO | AER |
| Alaska Central Express - ACE | KO | AER |
| ALBANIAN AIRLINES | LV | LBC |
| Albanian Airlines MAK | LV | LBC |
| ALBARKA AIR SERVICES | F4 | NBK |
| ALISEA AIRLINES | FZ | BBG |
| Alitalia | AZ | AZA |
| Alitalia Express | XM | SMX |
| Alitalia Team | RD | NOV |
| Alkan Air | TO | AKN |
| ALKAN AIR [CANADA] | TO | AKN |
| All Nippon Airways | NH | ANA |
| Allegiant Air | G4 | AAY |
| Allegro Air | LL | GRO |
| Alliance Air | CD | LLR |
| ALLIANCE AIR EXPRESS | Y2 | RWB |
| ALLIANCE AIR [INDIA] | CD | LLR |
| ALLIANCE AIRLINES | QQ | QQA |
| ALM Antillean Airlines | K8 | ALM |
| ALMATY AVIA | 6T | LMT |
| Almeta Air | 8U | AAW |
| Aloha Airlines | AQ | AAH |
| Aloha Island Air | WP | PRI |
| Alpi Eagles | E8 | ELG |
| Alpine Air | 5A | AIP |
| ALPINE AIR CHILE | 5A | AIH |
| Alsair | AL | LSR |
| ALTYN AIR | QH | LYN |
| AMC Aviation | 9V | AMV |
| America West Airlines | US | AWE |
| American Airlines | AA | AAL |
| American Eagle Airlines | MQ | EGF |
| Americana de Aviacion | YW | ANE |
| AmeriJet International | M6 | AJT |
| Amiri Flight (Abu Dhabi) | MO | AUH |
| AMUR AVIAKOMPANIA | A8 | BGL |
| Amurtransair | A8 | BGL |
| ANA and Japan Post Express | 9N | AJV |
| Angel Airlines | 8G | NGE |
| Angola Air Charter | C3 | AGO |
| Ansett Australia | AN | AAA |
| ANTINEA AIRLINES | HO | DJA |
| AOM French Airlines | IW | AOM |
| Arax Airlines | ZL | RXA |
| Arberia Airways | RU | ABW |
| ARCA Aerovias Colombianas | ZU | AKC |
| Archana Airways | EV | ACY |
| Archangelsk Airlines | 5N | AUL |
| Arctic | EM | AEB |
| Arctic Circle Air Service | 5F | CIR |
| Arctic Transportation Services | 7S | RCT |
| ARCTIC TRANSPORTATION SERVICES INC. | 7S | RCT |
| ARG LINEA PRIVADA ARGENTINA | MJ | LPR |
| Ariana Afghan Airlines | FG | AFG |
| ARIZONA EXPRESS AIRLINES | K7 | TMP |
| ARKHANGELSK AIRLINES | 5N | AUL |
| ARKIA | IZ | AIZ |
| Arkia Israeli Airlines | IZ | AIZ |
| Armavia | U8 | RNV |
| Armenian Airlines | R3 | RME |
| ARMENIAN INTERNATIONAL AIRWAYS | MV | RML |
| Arnarflug - Eagle Air | IS | ISL |
| ARPA - Aerolineas Paraguayas | A8 | PAY |
| Arrow Air | JW | APW |
| ARROW AIR [USA] | JW | APW |
| ASERCA - Aeroservicios Carabobo | R7 | OCA |
| ASERCA AIRLINES | R7 | OCA |
| Asia Service Airlines | EV | ASQ |
| Asian Express Airlines | HJ | AXF |
| Asian Spirit | 6K | RIT |
| Asiana Airlines | OZ | AAR |
| ASTAIR | ZA | SUW |
| Astar Air Cargo | ER | DHL |
| ASTRAEUS AIRLINES | 5W | AEU |
| ASTRAKAN AIRLINES | OB | ASZ |
| Astrakhan Airlines - ASTRAL | OB | ASZ |
| ATA - American Trans Air | TZ | AMT |
| ATA Aerocondor | 2B | ARD |
| ATA AIRLINES | TZ | AMT |
| Athabaska Airways | 9T | ABS |
| Atlant Soyuz Airlines | 3G | AYZ |
| ATLANT-SOYUZ AIRLINES | 3G | AYZ |
| ATLANT-SV | L4 | ATG |
| Atlantic Air | CA | CAO |
| ATLANTIC AIRLINES DE HONDURAS | ZF | HHA |
| Atlantic Airways | RC | FLI |
| ATLANTIC AIRWAYS [FAEROE ISLANDS] | RC | FLI |
| Atlantic Coast Airlines | DH | BLR |
| Atlas Air | 5Y | GTI |
| ATLAS INTERNATIONAL | 2U | OGE |
| ATRAN - Aviatrans Cargo Airlines | V8 | VAS |
| ATTICO | ML | ETC |
| ATYRAU AIRWAYS | IP | JOL |
| Atyrau Aue Joly | IP | JOL |
| Augsburg Airways | IQ | AUB |
| Augusta Air | HB | AUF |
| Aurigny Air Services | GR | AUR |
| Austral Lineas Aereas | AU | AUT |
| Australian Air Express | XM | XME |
| AUSTRALIAN AIRLINES | AO | AUZ |
| AUSTRALIAWIDE AIRLINES | ZL | RXA |
| Austrian Air Transport | U8 | AAT |
| Austrian Airlines | OS | AUA |
| Avant Airlines - Linheas Aereas Chilenas | OT | VAT |
| AVCOM | J6 | AOC |
| Avcom - Aviation Commercial | J6 | AOC |
| Avensa | VE | AVE |
| Avia Air | 3R | ARB |
| Avia Express | RX | AEH |
| Aviacion Zitotrans | ZR | AZS |
| AVIACON ZITOTRANS | ZR | AZS |
| Aviacsa | 6A | CHP |
| Aviaenergo | 7U | ERG |
| AVIAEXPRESS | RX | AEH |
| Aviaexpresscruise (Russia) | E6 | BKS |
| AVIAEXPRESSCRUISE AIRLINES | E6 | BKS |
| Avialeasing | EC | TWN |
| Avianca | AV | AVA |
| AVIANDINA | SJ | VND |
| Aviaprad | U3 | VID |
| AVIAPRIMA | J5 | PRL |
| Aviaprima - Sochi Airlines | J5 | PRL |
| Aviateca | GU | GUG |
| AVIATION ASSISTANCE A/S | 7W | VIS |
| Aviation Quebec Labrador | QC | QLA |
| AVIATRANS | V8 | VAS |
| Aviogenex | JJ | AGX |
| AVIOGENEX [SERBIA] | JJ | AGX |
| AVIOIMPEX | M4 | AXX |
| Avioimpex Makedonija Airways | M4 | AXX |
| AVIONES DE ORIENTE | 9V | ROI |
| Aviosarda Airlines | DF | ADZ |
| AVIREX GABON | G2 | VXG |
| AXIS AIRWAYS | 6V | AXY |
| AZERBAIJAN AIRLINES | J2 | AHY |
| Azerbaijan Airlines - AZAL Avia | J2 | AHY |
| Azzurra Air | ZS | AZI |
| |
| Bahamasair | UP | BHS |
| Baikal Airlines | X3 | BKL |
| Baker Aviation | 8B | BAJ |
| Balair/CTA Leisure | BB | BBB |
| Balkan Bulgarian Airlines | LZ | LAZ |
| Bangkok Airways | PG | BKP |
| Bankair | B4 | BKA |
| BASHKIRIAN AIRLINES | V9 | BTC |
| Bashkirian Airlines - Bashkirskjie Avialinii | V9 | BTC |
| BATAVIA AIR | 7P | BTV |
| Bearskin Airlines | JV | BLS |
| BEARSKIN LAKE AIR SERVICE | JV | BLS |
| BELAIR AIRLINES [SWITZERLAND] | 4T | BHP |
| Belavia | B2 | BRU |
| Belgium Air Force | 6X | BAF |
| Bell Air Executive Air Travel | SN | BEL |
| Bellview Airlines | B3 | BLV |
| Bemidji Airlines | CH | BMJ |
| BENIN GOLF AIR | A8 | BGL |
| Bering Air | 8E | BRG |
| BERING AIR INC. | 8E | BRG |
| Berjaya Air | J8 | BVT |
| Bhoja Airlines | B4 | BHO |
| Big Sky Airlines | GQ | BSY |
| Biman Bangladesh Airlines | BG | BBC |
| Binter Canarias | NT | IBB |
| BISMILLAH AIRLINES | 5Z | BML |
| BLUE DART AVIATION | BZ | BDA |
| BLUE PANORAMA AIRLINES | BV | BPA |
| BLUE WINGS | QW | BWG |
| BLUE1 | KF | BLF |
| BLUEBIRD CARGO | BF | BBD |
| bmi British Midland Airways | BD | BMA |
| BmiBaby | WW | BMI |
| Bonair Exel | 9H | BXL |
| Border Airways | BZ | BDA |
| BOSTON-MAINE AIRWAYS | E9 | CXS |
| BOTIR-AVIA | B8 | BTR |
| Bouraq Indonesia Airlines | BO | BOU |
| Braathens | BU | BRA |
| Braathens Malmo Aviation | TF | SCW |
| Braathens SAFE | BU | BRA |
| Brit Air | DB | BZH |
| Britannia Airways | BY | BAL |
| BRITANNIA AIRWAYS AB | 6B | BLX |
| Britannia Airways Deutschland | BN | DBY |
| British Airways | BA | BAW |
| British Airways CitiExpress | TH | BRT |
| British International Helicopters | BS | BIH |
| British Mediterranean Airways | KJ | LAJ |
| BRITISH MIDLAND AIRWAYS | BD | BMA |
| British World Airlines | VF | BWL |
| Brittania Airways Sweden | 6B | BLX |
| Brymon Airways | BC | BRY |
| Buffalo Airways | J4 | BFL |
| BULGARIA AIR | FB | LZB |
| Bulgarian Lucky Flight | KF | BLF |
| BURAQ AIR TRANSPORT | UZ | BRQ |
| Business Air | II | GNT |
| Business Express Airlines - BEX | HQ | GAA |
| BUZZ | UK | UKA |
| BWIA International Airways | BW | BWA |
| |
| CAL - Cargo Airlines | 5C | ICL |
| Calm Air | MO | CAV |
| Camai Air | R9 | CAM |
| Cameroon Airlines | UY | UYC |
| Canada 3000 | 2T | CMM |
| Canadian Airlines International | CP | CDN |
| Canadian North | 5T | MPE |
| Canadian Regional Airlines | KI | CDR |
| Canair | WW | CWW |
| CanJet | C6 | CJA |
| CANJET AIRLINES | C6 | CJA |
| Cape Smythe Air Service | 6C | CMY |
| Capital Airlines | 9K | CAP |
| Capital Cargo International Airlines | PT | CCI |
| Capitan Cesar Augusto de la Cruz Lepe | IQ | AUG |
| Cargo 360 | GG | GGC |
| CARGO AIR LINES | 5C | ICL |
| Cargojet Airways | W8 | CJT |
| Cargolux Airlines International | CV | CLX |
| Carib Aviation | K7 | DEL |
| Carib Express | IM | BCB |
| Caribbean Star Airlines | 8B | GFI |
| CARIBBEAN SUN AIRLINES | ZQ | SFG |
| CARPATAIR | V3 | KRP |
| Casino Express | XP | CXP |
| CASINO EXPRESS AIRLINES | XP | CXP |
| Cathay Pacific Airways | CX | CPA |
| CAUCASUS AIRLINES | NS | SRJ |
| Cayman Airways | KX | CAY |
| CCM AIRLINES | XK | CCM |
| Cebu Pacific Air | 5J | CPI |
| CEBU PACIFIC AIR | 5J | CEB |
| Centrafrican Airlines | GC | CET |
| Central Mountain Air | ZX | GLR |
| CENTRE-AVIA | J7 | CVC |
| CENTURION AIR CARGO | WE | CWC |
| Chalk's International Airline | OP | CHK |
| Challenge Air Cargo | WE | CWC |
| Champion Air | MG | CCP |
| Chanchangi Airlines | 3U | NCH |
| Changan Airlines | 2Z | CGN |
| Channel Express | LS | EXS |
| CHANNEL EXPRESS AIR SERVICES | LS | EXS |
| CHARLAN AIR CHARTER | S8 | CAH |
| Chautauqua Airlines | RW | CHQ |
| CHEBOKSARY AIR ENTERPRISE | C2 | CBB |
| CHICAGO EXPRESS AIRLINES | C8 | WDY |
| Chicago Express Airwasy (ATA Connection) | C8 | WDY |
| China Airlines | CI | CAL |
| China Eastern Airlines | MU | CES |
| China National Aviation Corporation - CNAC | F6 | CAG |
| China Northern Airlines | CJ | CBF |
| China Northwest Airlines | WH | CNW |
| China Southern Airlines | CZ | CSN |
| China Southwest Airlines | SZ | CXN |
| China United Airlines | HR | CUA |
| China Xinhua Airlines | XW | CXH |
| China Xinjiang Airlines | XO | CXJ |
| China Yunnan Airlines | 3Q | CYH |
| Chitaavia | X7 | CHF |
| CHS Aviation | S9 | HSA |
| CIELOS DEL PERU | A2 | CIU |
| Cimber Air | QI | CIM |
| CIMBER AIR [DENMARK] | QI | CIM |
| Cirrus Air | C9 | RUS |
| Cirrus Airlines | C9 | RUS |
| CITY AIRLINE | CF | SDR |
| City Bird Airlines | H2 | CTB |
| CITY-AIR [GERMANY] | 6E | CIP |
| Cityflyer | FD | CFE |
| Cityjet | WX | BCY |
| Coast Air | BX | CST |
| COAST AIR [NORWAY] | BX | CST |
| Coastal Air Transport | DQ | CXT |
| COASTAL AIRWAYS | PN | SQV |
| Colgan Air | 9L | CJC |
| Comair | MN | CAW |
| Comair/Delta Connection | OH | COM |
| COMBS AIRWAYS | FB | CMB |
| Command Airways | S8 | CAH |
| COMMUTAIR | C5 | UCA |
| Compagnie Aeronautique Europeene - CAE | C9 | FEU |
| COMPAGNIE AERONAUTIQUE EUROPEENNE | C9 | FEU |
| Compagnie Corse Mediterranee | XK | CCM |
| Compass Airlines | CP | CPZ |
| Condor | DE | CFG |
| Confair Aviation | QN | ROY |
| Congo Airlines | EO | ALX |
| Continental Airlines | CO | COA |
| Continental Airways | PC | PVV |
| Continental Micronesia | CS | CMI |
| COPA AIRLINES | CM | CMP |
| COPA Panama | CM | CMP |
| Corporate Airlines | 3C | CEA |
| Corsair | SS | CRL |
| COSMIC AIR | F5 | COZ |
| CR Airways | N8 | CRK |
| Crimea Air | OR | CRF |
| Croatia Airlines | OU | CTN |
| Cronus Airlines | X5 | CUS |
| Crossair | LX | CRX |
| CSA CZECH AIRLINES | OK | CSA |
| CSA Czech Airlines - Ceske Aerolinie | OK | CSA |
| Cubana | CU | CUB |
| Custom Air Transport | 5R | CTT |
| Cyprus Airways | CY | CYP |
| CYPRUS TURKISH AIRLINES | YK | KYV |
| CYR, JOHN T & SONS INC | W8 | CJT |
| |
| Daallo Airlines | D3 | DAO |
| Daimler-Chrysler AG | DN | DCS |
| DAIRO AIR SERVICES | WD | DSR |
| DALAVIA FAR EAST AIRWAYS | H8 | KHB |
| Danish Air Transport | DX | DTR |
| DAS - Dirgantara Air Service | AW | DIR |
| DAS Air Cargo | WD | DSR |
| DAS Air Cargo Kenia | SE | DAZ |
| DAT - Delta Air Transport | SN | DAT |
| DBA | DI | BAG |
| Delta Airlines | DL | DAL |
| Delta Connection / Atlantic Southeast Airline | PL | ASE |
| Delta Connection / Atlantic Southeast Airline | EV | CAA |
| Delta Connection / Atlantic Southeast Airline | EV | ASQ |
| Denim Air | 3D | DNM |
| Deutsche BA | DI | BAG |
| Deutsche Rettungsflugwacht | DV | AMB |
| DHL Aero Expreso | D5 | DAE |
| DHL Airways | ER | DHL |
| DHL de Guatemala | Z8 | JOS |
| DHL INTERNATIONAL | ES | DHX |
| DHL International EC | ES | DHX |
| Diamond Sakha Airlines | D8 | DSL |
| Dinar Lineas Aereas | D7 | RDN |
| DIRGANTARA AIR SERVICES | AW | DIR |
| Djibouti Airlines | D8 | DJB |
| DNIEPROAVIA | Z6 | UDN |
| Dnieproavia Aviation Company | Z6 | UDN |
| Dobrolet Airlines | G2 | DOB |
| Domodedovo Airlines | E3 | DMO |
| DON AIRLINES | D9 | DNV |
| Donavia | D9 | DNV |
| Donbass Eastern Ukranian Airlines | 7D | UDC |
| DONBASSAERO | 7D | UDC |
| DRAGONAIR | KA | HDA |
| Dragonair (Hong Kong Dragon Airlines) | KA | HDA |
| DRUK AIR | KB | DRK |
| Druk Air - Royal Bhutan Airlines | KB | DRK |
| Dutch Caribbean Airlines | K8 | ALM |
| DUTCH CARIBBEAN EXPRESS | K8 | DCE |
| Dutchbird | 5D | DBR |
| Dynamic Air | QG | DYE |
| |
| EAGLE AIR [UGANDA] | H7 | EGU |
| EAGLE AIRWAYS [NEW ZEALAND] | NZ | ANZ |
| Eagle Aviation | Y4 | EQA |
| Eagle Aviation (Uganda) | H7 | EGU |
| EAGLE AVIATION [KENYA] | Y4 | EQA |
| EAS AIRLINES | OW | EXW |
| EAST AFRICAN AIRLINES | QU | UGX |
| EAST AFRICAN SAFARI AIR | S9 | HSA |
| East Line Airlines | P7 | ESL |
| EASTERN AIR [SOUTH AFRICA] | KV | TAK |
| EASTERN AIRWAYS [UK] | T3 | EZE |
| Eastwind Airlines - The Bee Line | W9 | BBE |
| EasyJet Airlines | U2 | EZY |
| Easyjet Switzerland | DS | EZS |
| ECA - Europe Continental Airways | QE | ECC |
| ECUATOGUINEANA DE AVIACION | 8Y | ECV |
| Ecuatoriana | EU | EEA |
| Edelweiss Air | WK | EDW |
| EGYPT AIR | MS | MSR |
| Egyptair | MS | MSR |
| EL AL | LY | ELY |
| El Al Israel Airlines | LY | ELY |
| ELECTRA AIRLINES | EL | ELD |
| Emerald Airways | G3 | JEM |
| EMERALD AIRWAYS [UK] | G3 | JEM |
| Emery Worldwide Airlines | EB | EWW |
| Emirates | EK | UAE |
| Enkor | G5 | ENK |
| EOS Airlines | E0 | ESS |
| EQUAFLIGHT SERVICE | 5E | EKA |
| ERA Aviation | 7H | ERH |
| ERA AVIATION INC. | 7H | ERH |
| Eritrean Airlines | B8 | ERT |
| Estonian Air | OV | ELL |
| Ethiad Airways | EY | ETD |
| Ethiopian Airlines | ET | ETH |
| Euralair International | RN | EUL |
| Eurasia Air | UH | EUS |
| EURASIA AIR COMPANY | UH | EUS |
| Eureca | F4 | URE |
| EURO ATLANTIC AIRWAYS | MM | MMZ |
| EURO-ASIA AIR | 5B | EAK |
| EUROCYPRIA | UI | ECA |
| Eurocypria Airlines | UI | ECA |
| Eurofly | GJ | EEZ |
| Eurojet - European Jet | IV | JET |
| Eurolot | K2 | ELO |
| Euromanx | 3W | EMX |
| EUROPE AIRPOST | 5S | FPO |
| EUROPE CONTINENTAL AIRWAYS | QE | ECC |
| EUROPEAN AIR EXPRESS | EA | EAL |
| European Air Transport - EAT | QY | BCS |
| EUROPEAN AIR TRANSPORT [BELGIUM] | QY | BCS |
| EUROPEAN AVIATION AIR CHARTER | E7 | EAF |
| European Aviation Charter | E7 | EAF |
| European Executive Express | RY | EXC |
| European Regions Airlines - ERA | EA | EUA |
| Eurowings | EW | EWG |
| EVA Air | BR | EVA |
| Evergreen International Airlines | EZ | EIA |
| EVERGREEN INTERNATIONAL AVIATION | EZ | EIA |
| EVERTS AIR ALASKA | 3K | VTS |
| Excel Airways | JN | XLA |
| Exclusive Air | CQ | EXL |
| EXECAIRE | MB | EXA |
| Execaire Aviation | MB | EXA |
| Executive Airlines | YL | ORA |
| Executive Airlines Services | OW | EXW |
| EXECUTIVE AIRLINES [NY-USA] | YL | ORA |
| EXECUTIVE AIRLINES [PR-USA] | MQ | EGF |
| Expo Aviation | 8D | EXV |
| Express One International | EO | LHN |
| Expressjet Airlines | XE | BTA |
| |
| FAIR | FW | FRI |
| Falcon Air | IH | FCN |
| Falcon Air Express | F2 | FAO |
| Far Eastern Air Transport | EF | FEA |
| FASO AIRWAYS | F3 | FSW |
| FedEx - Federal Express | FX | FDX |
| Fine Airlines | FB | FBF |
| Finnair | AY | FIN |
| First Air | 7F | FAB |
| FIRST CAMBODIA AIRLINES | F6 | FCC |
| First Choice Airways | DP | FCA |
| Fischer Air | 8F | FFR |
| FLAMINGO AIRLINES | F7 | KFL |
| Flandre Air | IX | FRS |
| Flandre Air International | FW | FRI |
| Flight West Airlines | YC | FWQ |
| Flightline | B5 | FLT |
| FLIGHTLINE [UK] | B5 | FLT |
| Florida West Airlines | RF | FWL |
| FLORIDA WEST INTERNATIONAL AIRWAYS | RF | FWL |
| FLY AIR | F2 | FLM |
| Fly FTI | FT | FTI |
| Fly Linhas Aereas | 4H | FLB |
| FLYBE | BE | BEE |
| FlyGlobespan | Y2 | GSM |
| Four Star Air Cargo | HK | FSC |
| FOUR STAR AVIATION | HK | FSC |
| Freedom Air | SJ | FOM |
| Freedom Air | FP | FRE |
| Fri Fly | OF | FIF |
| Frontier Airlines | F9 | FFT |
| FRONTIER AIRLINES [CO-USA] | F9 | FFT |
| Frontier Flying Service | 2F | FTA |
| FS AIR SERVICE | 4A | EYE |
| Fujian Airlines | IV | CFJ |
| Futura International | FH | FUA |
| FUTURA INTERNATIONAL AIRWAYS | FH | FUA |
| |
| GABON EXPRESS | GE | GBE |
| Gambia International Airlines | GC | GNR |
| GANDALF AIRLINES | G7 | GNF |
| Garuda Indonesia | GA | GIA |
| Gazpromavia | 4G | GZP |
| GB Airways | GT | GBL |
| Gemini Air Cargo | GR | GCO |
| GEORGIAN AIRLINES | 6R | GEG |
| Germania | ST | GMI |
| GERMANWINGS | 4U | GWI |
| Gestair Executive Jet | GP | GES |
| Ghana Airways | GH | GHA |
| Gill Airways | 9C | GIL |
| Gloria - China Glory | G3 | GLO |
| GO Fly | OG | GOE |
| GoJet | G7 | GJS |
| GOL TRANSPORTES AEREOS | G3 | GLO |
| Golden Air | DC | GAO |
| GOLDEN AIR FLYG | DC | GAO |
| Gomelavia | YD | GOM |
| Great Lakes Airlines | ZK | GLA |
| GREAT LAKES AVIATION | ZK | GLA |
| GREAT PLAINS AIRLINES | ZO | GRP |
| Greenlandair - Gronlandsfly | GL | GRL |
| Guinee Air Lines | J9 | GIF |
| GUIZHOU AIRLINES | G4 | CGH |
| Gujarat Airways | G8 | GUJ |
| Gulf Air | GF | GFA |
| Gulfstream International Airlines | 3M | GFT |
| Guyana Airways | GY | GYA |
| GUYANA AIRWAYS 2000 | GY | GYA |
| |
| HAGELAND AVIATION SERVICES | H6 | HAG |
| HAHN AIR LINES | HR | SXN |
| Hainan Airlines | HU | CHH |
| HAITI AIR FREIGHT | 9F | HLS |
| Haiti Air International | 9F | HLS |
| HAMBURG INTERNATIONAL | 4R | HHI |
| Hapag Lloyd | HF | HLF |
| HAPAG-LLOYD | HF | HLF |
| HAPAG-LLOYD EXECUTIVE | X3 | HLX |
| HAPAG-LLOYD EXPRESS | X3 | HLX |
| Harbor Airlines | HB | HAR |
| Harlequin Air | JH | HLQ |
| Harmony Airways | HQ | HMY |
| Hawaiian Airlines | HA | HAL |
| Hazelton Airlines | ZL | HZL |
| Heavylift Cargo Airlines | NP | HLA |
| HELICOPTEROS DEL SURESTE | UV | HSE |
| Helijet Airways | JB | JBA |
| Helikopter Service | L5 | HKS |
| HELIOS AIRWAYS | ZU | HCY |
| Heliservico | HS | HSV |
| HELISUL LINHAS AEREAS | H9 | SUL |
| Helisul Taxi Aereo | H9 | SUL |
| Helisureste | UV | HSE |
| HELLAS JET | T4 | HEJ |
| HELLENIC STAR AIRWAYS | HJ | HST |
| HELVETIC AIRWAYS | 2L | OAW |
| Hemus Air | DU | HMS |
| HEWA BORA AIRWAYS | EO | ALX |
| Hex'Air | UD | HER |
| Highland Air | HS | HIL |
| Hinduja Cargo Services | LF | LCI |
| HOKKAIDO INTERNATIONAL AIRLINES | HD | ADO |
| Hokkaido International Airlines - Air Do | HD | ADO |
| HOLLAND EXEL | XT | HXL |
| Horizon Air/Alaska Airlines Commuter | QX | QXE |
| HORIZON AIRLINES [AUSTRALIA] | BN | HZA |
| |
| IBC AIRWAYS | II | CSQ |
| Iberia | IB | IBE |
| Iberostar Airlines | TY | IWD |
| IBERWORLD AIRLINES | TY | IWD |
| ICAR Airlines | C3 | IPR |
| Icelandair | FI | ICE |
| IMAIR | IK | ITX |
| IMPERIAL AIR | 7I | IMP |
| Imperial Air Charter | F3 | SGB |
| Improtex - Imair | IK | ITX |
| Impulse Airlines | VQ | OAA |
| IMPULSE AIRLINES | VQ | IPU |
| Independence Air | DH | IDE |
| Independence Air | B8 | BTR |
| Indian Airlines | IC | IAC |
| INDIAN AIRLINES CORPORATION | IC | IAC |
| INDONESIAN AIRLINES | IO | IAA |
| Inercontinental Colombia | RS | ICT |
| Inter Air Lines | D6 | ILN |
| INTER EXPRESS AIRLINES | 6K | INX |
| INTER TROPICAL AVIATION | 3P | TCU |
| INTERAIR SOUTH AFRICA | D6 | ILN |
| Interbrasil Star | Q9 | ITB |
| Intercontinental Colombia | RS | ICT |
| Interisland Airways | JY | IWY |
| International Business Air | U5 | IBZ |
| Intersky | 3L | ISK |
| IRAN AIR | IR | IRA |
| Iran Air (Iran National Airlines) | IR | IRA |
| Iran Air Tours | B9 | IRB |
| IRAN ASEMAN AIRLINES | EP | IRC |
| Iran Asseman Airlines | EP | IRC |
| Iraqi Airways | IA | IAW |
| IRS AERO | 5R | LDF |
| Irtysh Avia | IT | IRT |
| Island Air | IS | ISA |
| ISLAND AIR [HI-USA] | WP | MKU |
| ISLAND AVIATION SERVICES | Q2 | DQA |
| Island Express | 2S | SDY |
| ISLANDSFLUG | HH | ICB |
| Islandsflug - Icebird Airline | HH | ICB |
| ISLAS AIRWAYS | IF | ISW |
| ISLENA AIRLINES | WC | ISV |
| Islena Airlines - Islena de Inversiones | WC | ISV |
| Isles of Scilly Skybus | 5Y | IOS |
| Israir | 6H | ISR |
| Istanbul Airlines | IL | IST |
| Italair | B8 | DRG |
| ITALY FIRST | IF | IFS |
| ITEK AIR | GI | IKA |
| |
| J-AIR | JL | JAL |
| JAL Express | JC | JEX |
| JALWAYS | JO | JAZ |
| Japan Air Charter | JO | JAZ |
| Japan Air Commuter | 3X | JAC |
| Japan Air Lines | JL | JAL |
| Japan Air System | JD | JAS |
| JAPAN AIRLINES DOMESTIC | JL | JLJ |
| JAPAN AIRLINES INTERNATIONAL | JL | JAL |
| Japan Asia Airways | EG | JAA |
| Japan Transocean Air | NU | JTA |
| Jaro International | JT | MDJ |
| JAT AIRWAYS | JU | JAT |
| JAT Yugoslav Airlines | JU | JAT |
| JATAYU AIR | VJ | JTY |
| Jersey European Airways | JY | JEA |
| Jet Airways | 9W | JAI |
| Jet Aviation Business Jets | PP | PJS |
| Jet Aviation Business Jets - Switzerland | PP | PJS |
| Jet Servisx | 7W | VIS |
| Jetblue Airways | B6 | JBU |
| Jetsgo | SG | JGO |
| |
| Kabo Air | KO | QNK |
| KAIKEN LINEAS AEREAS | F7 | KJI |
| Kal Aviation | JX | CLV |
| KALININGRAD AIR | KD | KLN |
| Kaliningrad Avia Entreprise | KD | KLN |
| Kalitta Air | K4 | CKS |
| Kalitta Flying Services | CB | KFS |
| KAM AIR | RQ | KMF |
| Kampuchea Airlines | KT | KMP |
| KARAT | V2 | AKT |
| Karat - Aviacompany Karat | V2 | AKT |
| KARTHAGO AIRLINES | 5R | KAJ |
| KAS | KW | KSD |
| Kato Air | 6S | KAT |
| KATO AIRLINE | 6S | KAT |
| KAVMINVODYAVIA | KV | MVD |
| Kazakhstan Airlines - Kazair | K4 | KZA |
| Kelowna Flightcraft Air Charter | KW | KFA |
| Kendell Airlines (Australia) | KD | KDA |
| Kenn Borek Air | 4K | KBA |
| Kenya Airways | KQ | KQA |
| Kenya Flaningo Airways | F7 | KFL |
| Keystone Air Services | BZ | KEE |
| Khaborovsk Aviation | H8 | KHB |
| KHALIFA AIRWAYS | K6 | KZW |
| Khors Air | X9 | KHO |
| KHORS AIRCOMPANY | X9 | KHO |
| Kibris Turkish Airlines - KTHY | YK | KYV |
| Kish Air | Y9 | IRK |
| Kitty Hawk Air Cargo | KR | KHA |
| KITTY HAWK AIRCARGO | KR | KHA |
| KITTY HAWK INTERNATIONAL | K4 | CKS |
| Kiwi International Airlines | KP | KIA |
| KLM Cityhopper | WA | KLC |
| KLM CITYHOPPER UK | UK | UKA |
| KLM Exel | XT | AXL |
| KLM Royal Dutch Airlines | KL | KLM |
| KLM UK | UK | UKA |
| KMV - Kavhazkie Minerlnye Vody | KV | MVD |
| Kogalymavia | 7K | KGL |
| Komiinteravia | 8J | KMV |
| Korean Air | KE | KAL |
| Kras Air - Krasnoyarskavia | 7B | KJC |
| KRASNOYARSK AIRLINES | 7B | KJC |
| Krilo | K9 | KRI |
| KRYLO AIRLINES | K9 | KRI |
| Kuban Airlines | GW | KIL |
| Kuwait Airways | KU | KAC |
| Kyrgystan Airlines | R8 | KGA |
| KYRGYZSTAN AIR STAR | KW | KSD |
| KYRGYZSTAN AIRLINES | R8 | KGA |
| |
| L'Aeropostale | 5S | ARP |
| La Ronge Aviation Services - Air Sask Aviation | 7W | ASK |
| LAB - Lloyd Aereo Boliviano | LB | LLB |
| LAB FLYING SERVICE | JF | LAB |
| LAB Flying Service - Alaska Airlines Commuter | JF | LAB |
| LABRADOR AIRWAYS | WJ | LAL |
| LACSA - Lineasaereas Costarricenses SA | TA | LRC |
| LADE - Lineas Aereas Del Estado | 5U | LDE |
| LADECO - Linea Aerea Del Cobre | UC | LCO |
| LAGUN AIR | N7 | JEV |
| Laker Airways | 6F | LKR |
| Laker Airways (Bahamas) | 7Z | LBH |
| LAKER AIRWAYS BAHAMAS | 7Z | LBH |
| LAM - Linheas Aereas de Mocambique | TM | LAM |
| LAN Chile | LA | LAN |
| LAN PERU | LP | LPE |
| LANEXPRESS | LU | LXP |
| LAO AIRLINES | QV | LAO |
| Lao Aviation | QV | LAO |
| Laoag International | L7 | LPN |
| LAOAG INTERNATIONAL AIRLINES | L7 | LPN |
| LAPA - Lineas Aereas Privadas Argentinas | MJ | LPR |
| LASER | 8Z | LER |
| LASTP | KY | OTN |
| LAT CHARTER | 6Y | LTC |
| LAT Charter Airlines | 6Y | LTC |
| Latpass Airlines | QJ | LTP |
| Lauda Air | NG | LDA |
| Lauda Air Italy | L4 | LDI |
| Lebanese Air Transport | LQ | LAQ |
| Leisure Air | L8 | LWD |
| LGW - Luftfahrt Gesellschaft Walter | HE | LGW |
| LIAT | LI | LIA |
| Libyan Arab Airlines | LN | LAA |
| Linacongo - Lignes Nationales - Aeriennes | GC | GCB |
| Linair - Hungarian Regional Airlines | LF | LIN |
| LINAIR-HUNGARIAN REGIONAL AIRLINES | LF | LIN |
| LINEA AEREA IAACA | KG | BNX |
| LINEA TURISTICA AEREOTUY | LD | TUY |
| LINEAS AEREAS AZTECA | ZE | LCD |
| LINEAS AEREAS DEL ESTADO | 5U | LDE |
| LINHAS AEREAS DE MOCAMBIQUE | TM | LAM |
| LINHAS AEREAS DE SAO TOME E PRINCIPE | KY | OTN |
| LION AIRLINES | JT | LNI |
| Lithuanian Airlines | TE | LIL |
| LIVINGSTON | LM | LVG |
| LLOYD AEREO BOLIVIANO | LB | LLB |
| Loganair | LC | LOG |
| LOT Polish Airlines | LO | LOT |
| Lotus Air | LU | TAS |
| LOTUS AIRLINE | LU | TAS |
| LTA - Linea Turistica Aerotuy | LD | TUY |
| LTE International Airways | XO | LTE |
| LTU Austria | L3 | LTO |
| LTU BILLA | L3 | LTO |
| LTU International Airways | LT | LTU |
| LTU Süd | LU | LTS |
| LUFTFAHRTGESELLSCHAFT WALTER | HE | LGW |
| Lufthansa | LH | DLH |
| Lufthansa Cargo Airlines | LH | GEC |
| Lufthansa Cityline | CL | CLH |
| Lufttaxi Flug | DV | LTF |
| Lufttransport | L5 | LTR |
| Luxair | LG | LGL |
| Luxor Air | LU | LXO |
| Luzair | LK | LXR |
| Lvov Airlines | 5V | UKW |
| Lynden Air Cargo | L2 | LYC |
| Lynton Jet - Lynton Aviation | QH | LYN |
| |
| MACAIR AIRLINES | CC | MCK |
| Macedonian Airlines | IN | MAK |
| Macedonian Airlines | MC | MCS |
| MACEDONIAN AIRLINES [MACEDONIA] | IN | MAK |
| Maersk Air | DM | DAN |
| Maersk Air (UK) | VB | MSK |
| Magadan Airlines | H5 | MVL |
| Magnitogorsk Air Enterprise | MB | MNG |
| Mahan Air | W5 | IRM |
| Mahfooz Aviation | M2 | MZS |
| MAHFOOZ AVIATION (GAMBIA) | M2 | MZS |
| Malev - Hungarian Airlines | MA | MAH |
| MALITAS | HB | HBM |
| Malitas (Mali-Tinbouctou Air Service) | HB | HBM |
| MALMO AVIATION | TF | SCW |
| Malta Air Charter | R5 | MAC |
| Mandala Airlines | RI | MDL |
| Mandarin Airlines | AE | MDA |
| MANDARIN AIRLINES SWEDEN AB | AE | MDF |
| Manx Airlines | JE | MNX |
| Martinair Holland | MP | MPH |
| MAS - Malaysian Airlines System | MH | MAS |
| Mas Air Cargo | MY | MAA |
| Maya Island Air | MW | MYD |
| Mayan World Airlines | EY | MYN |
| MCNEELY CHARTER SERVICES INC. | M8 | MDS |
| MEA - Middle East Airlines | ME | MEA |
| Med Airlines | M8 | MDS |
| MEDITERRANEAN AIR FREIGHT | AE | MDF |
| Meridiana | IG | ISS |
| MERPATI NUSANTARA AIRLINE | MZ | MNA |
| Merpati Nusantara Airlines | MZ | MNA |
| Mesa Airlines | YV | ASH |
| METROPOLIS NOORD I B.V. | DN | MPS |
| Mexicana | MX | MXA |
| Miami Air International | GL | BSK |
| MIAT Mongolian Airlines | OM | MGL |
| MIDDLE EAST AIRLINES | ME | MEA |
| Midway Airlines | JI | MDW |
| Midwest Airlines | MY | MWA |
| MIDWEST AIRLINES [EGYPT] | MY | MWA |
| Midwest Express Airlines | YX | MEP |
| Minerva Airlines | N4 | MTC |
| Minskavia | 4M | MEN |
| MK Airlines | 7G | MKA |
| MNG Airlines | MB | MNB |
| MNG Airlines Cargo | MB | MNB |
| Modiluft | M9 | MOD |
| Moldavian Airlines | 2M | MDV |
| Monarch Airlines | ZB | MON |
| MONGOLIAN AIRLINES | OM | MGL |
| Montenegro Airlines | YM | MGX |
| MONTENEGRO AIRLINES [MONTENEGRO] | YM | MGX |
| Motor Sich | M9 | MSI |
| MOUNT COOK AIRLINE | NM | NZM |
| MUSTIQUE AIRWAYS | Q4 | MAW |
| Mustique Airways (Air Saint Vincent) | Q4 | MAW |
| Myanmar International Airways | UB | UBA |
| MyTravel Airways | VZ | MYT |
| MYTRAVEL AIRWAYS A/S | DK | VKG |
| |
| Nanjing Airlines | 3W | CNJ |
| Naske Air | HC | HCN |
| National Jet Systems | NC | NJS |
| Nations Air | N5 | NAE |
| NATIONWIDE AIR CHARTER | CE | NTW |
| Nationwide Airlines | CE | NTW |
| Necon Air | 3Z | NEC |
| NEOS | NO | NOS |
| NEPC Airlines | D5 | NEP |
| New England Airlines | EJ | NEA |
| Newair Air Service | 8L | NAW |
| NEWAIR AIRSERVICE | 8L | NAW |
| NICA - Nicaraguenses de Aviacion | 6Y | NIS |
| Nigeria Airways | WT | NGA |
| NIKI | HG | NLY |
| Nippon Cargo Airlines | KZ | NCA |
| NL LUFTFAHRT GMBH | HG | NLY |
| Norcanair | U7 | NKA |
| Nordeste - Linhas Aereas regionais | JH | NES |
| NORDESTE LINHAS AEREAS | JH | NES |
| NORDIC EAST AIRLINK | LF | NDC |
| NORDKALOTTFLYG AB | 8N | NKF |
| Normandie Aviation | ID | RNO |
| North American Airlines | NA | NAO |
| NORTH AMERICAN AIRLINES [NY-USA] | NA | NAO |
| North Flying | M3 | NFA |
| North Vancouver Airliners | VL | NRV |
| North Wright Airways | HW | NWL |
| Northern Air Cargo - NAC | NC | NAC |
| NORTHERN DENE AIRWAYS | U7 | NKA |
| Northern Executive Aviation | NV | NEX |
| NORTHERN EXECUTIVE AVIATION LTD. | NV | NEX |
| Northern Thunderbird Air | 4R | NTA |
| Northwest Airlines | NW | NWA |
| Northwest Airlink/Express Airlines | 9E | FLG |
| Northwest Airlink/Mesaba Airlines | XJ | MES |
| NORTHWEST SEAPLANES | 2G | MRR |
| Northwestern Air | J3 | PLR |
| Norway Airlines Charter | NO | NOS |
| Norwegian Air Shuttle | DY | NAX |
| Nouvelair Tunesie | BJ | LBT |
| NWT Air - Northwest Territorial Airways | NV | NWT |
| |
| O'Connor Airlines - Mount Gambier Airline | UQ | OCM |
| O'CONNORS AIR SERVICES | UQ | OCM |
| Odessa Airlines | 5K | ODS |
| Odette Airways | 2L | OAW |
| Okada Air | 9H | OKJ |
| OLT - Ostfriesische Lufttransport | OL | OLT |
| OLT OSTFRIESISCHE LUFTTRANSPORT | OL | OLT |
| Olympic Airlines | OA | OAL |
| Olympic Aviation | ML | OLY |
| Oman Air | WY | OMA |
| Oman Royal Flight | RS | ORF |
| OMNI Air International | X9 | OAE |
| OMNI AIR TRANSPORT CORPORATION | X9 | OAE |
| OMNI AVIACAO & TECNOLOGIA | OC | OAV |
| OMNI Aviacao e Technologia | OC | OAV |
| Omsk Avia | N3 | OMS |
| OMSKAVIA | N3 | OMS |
| Onur Air | 8Q | OHY |
| ORENBURG AIRLINES | R2 | ORB |
| Orenburg Avia | R2 | ORB |
| Orient Thai Airlines | OX | OEA |
| Oriental de Aviacion | 9V | ROI |
| Origin Pacific Airways | QO | OGN |
| OVERLAND AIRWAYS | OJ | OLA |
| |
| PACIFIC AIR EXPRESS [USA] | 4U | PCF |
| Pacific Airlines | BL | PIC |
| PACIFIC COASTAL AIRLINES | 8P | PCO |
| Pacific Coastal Airways | 8P | PCO |
| PACIFIC EAST ASIA CARGO | Q8 | PEC |
| Pacific East Asia Cargo Airlines | Q8 | PEC |
| Pacific Island Aviation | 9J | PSA |
| Pacific Wings | LW | NMI |
| Pakistan International Airlines | PK | PIA |
| Palestinian Airlines | PF | PNW |
| Pamir Air | NR | PIR |
| Pan American Airways | PN | PAA |
| PAN AMERICAN AIRWAYS CORPORATION | PN | PAA |
| Panagra Airways | 7E | PGI |
| Panair | PV | PNR |
| Panair - Compagnia Aerea Mediterranea | 9P | PIT |
| PANAIR [ITALY] | 9P | PIT |
| PANAVIA | 6Z | PVI |
| Pantanal - Linhas Aereas Sul Matogrossenses | P8 | PTN |
| PANTANAL LINHAS AEREAS SUL | P8 | PTN |
| Passaredo Transportes Aereos | Y8 | PTB |
| PAYAM AIR | 2F | IRP |
| Payam Air Center Service | 2F | IRP |
| PB Air | 9Q | PBA |
| PEARL AIR | J5 | PRL |
| PEL-AIR AVIATION | QD | QWA |
| PEL-AIR EXPRESS | QD | QWA |
| PELANGI AIR | 9P | PEG |
| Pelangi Airways | 9P | PEG |
| PELICAN AIR SERVICES | 7V | PDF |
| Pem Air | PD | PEM |
| Pena Transportes Aereos - PENTA | 5P | PEP |
| Penair - Peninsula Airways | KS | PEN |
| PENINSULA AIRWAYS | KS | PEN |
| PENTA | 5P | PEP |
| PERM AIRLINES | 9D | PGP |
| Perm State Air Enterprise | 9D | PGP |
| PHILIPPINE AIRLINES | PR | PAL |
| Philippine Eagle Airlines | EA | EAL |
| Philippines - Philippine Air Lines | PR | PAL |
| PHOENIX AVIATION [KYRGYZSTAN] | P3 | PHG |
| PHUKET AIRLINES | 9R | VAP |
| PIA - Pakistan International Airlines | PK | PIA |
| Pinnacle Airlines | 9E | FLG |
| PLATINUM AIR CHARTER EXECUTIVE 2000 | 5W | PLM |
| PLUNA | PU | PUA |
| Polar Air Cargo | PO | PAC |
| Polynesian Airline of Samoa | PH | PAO |
| Porter Airlines | PD | POE |
| Portugalia | NI | PGA |
| Precision Air Services | PW | PRF |
| Premiar | DK | VKG |
| President Airlines | TO | PSD |
| PRESIDENT AIRLINES [KAMPUCHEA] | TO | PSD |
| Pro Air | P9 | PRH |
| Proteus Air System | YS | PRB |
| Provence Aero Service | RW | RPA |
| Pulkovo Avia | FV | PLK |
| PULKOVO AVIATION ENTERPRISE | FV | PLK |
| PULLMANTUR AIR | 5W | PLM |
| |
| Qantas | QF | QFA |
| Qatar Airways | QR | QTR |
| Qwestair | QD | QWA |
| |
| RED SEA AIR | 7R | ERS |
| Reeve Aleutian Airways - RAA | RV | RVV |
| Region Air | 7S | RGA |
| REGIONAL AIR [KENYA] | RM | RAW |
| Regional Airlines | FN | RGL |
| Regional Airlines | VM | RGI |
| REGIONAL, COMPAGNIE AERIENNE EUROPEENNE | YS | RAE |
| Regionnair | RH | GIO |
| Reguljair | R8 | REF |
| Reno Air | DU | ROA |
| Rheintalflug | WE | RTL |
| RICO LINHAS AEREAS | C7 | RLE |
| Riga Airlines - RiAir | GV | RIG |
| RIO GRANDE AIR | E2 | GRN |
| Rio Sul | SL | RSL |
| RLA - Rico Linhas Aereas | C7 | RLE |
| ROLAND AIR | DU | ROA |
| Romavia | WQ | RMV |
| Royal Air Maroc | AT | RAM |
| Royal Brunei Airlines | BI | RBA |
| Royal Jordanian | RJ | RJA |
| ROYAL KHMER AIRLINES | RK | RKH |
| Royal Nepal Airlines | RA | RNA |
| ROYAL PHNOM PENH AIRWAYS | RL | PPW |
| Royal Tongan Airlines | WR | HRH |
| RS LTD. | SL | RSL |
| RUSS AIR TRANSPORT COMPANY | NR | RUR |
| RUSSIA STATE TRANSPORT COMPANY | R4 | SDM |
| Rwandair | WB | RWD |
| Rwandair Express | WB | RWD |
| Ryan International Airlines | RD | RYN |
| Ryanair | FR | RYR |
| |
| SA Airlink | 4Z | LNK |
| SA Alliance | Y2 | AFJ |
| SAAK | 8S | SVL |
| SAAK - Stavropol Avia | 8S | SVL |
| Sabena | SN | SAB |
| Sabre Airways | JN | SBE |
| SAETA - Sociedad Ecuatoriana de Aereos | EH | SET |
| Safair | FA | SFR |
| SAHARA AIRLINES [ALGERIA] | 6S | SHD |
| Sakha Avia | K7 | IKT |
| Sakhalin Airlines | HZ | SHU |
| Sakhalinskie Aviatrassy - SAT | HZ | SHU |
| SALMON AIR | S6 | MBI |
| SAM - Sociedad Aeonautica de Medellin | MM | SAM |
| SAM Colombia | MM | SAM |
| Samara Airlines | E5 | BRZ |
| San Air Company | S3 | SND |
| SANSA | RZ | LRS |
| SANSA - Servicios Aereos Nacionales SA | RZ | LRS |
| Santa Barbara Airlines | S3 | BBR |
| SAS - Scandinavian Airlines System | SK | SAS |
| SAS Braathens | SK | CNO |
| SATA Air Acores | SP | SAT |
| SATA International | S4 | RZO |
| SATENA | 9N | NSE |
| SATENA - | 9N | NSE |
| Saudi Arabian Airways | SV | SVA |
| Sayakhat | W7 | SAH |
| SCANDINAVIAN AIRLINES SYSTEM | SK | SAS |
| Scat | DV | VSV |
| SCENIC AIRLINES | YR | SCE |
| Schreiner Airways | AW | SCH |
| Schreiner Airways Cameroon | AW | SCH |
| SCIBE AIRLIFT CONGO | ZM | SBZ |
| Scibe Airlift Zaire | ZM | SBZ |
| SCOTAIRWAYS | CB | SAY |
| SEABORNE AIRLINES | BB | SBS |
| Sempati Air | SG | SSR |
| SERENDIB EXPRESS | QL | RNL |
| Serib Wings | IF | ISW |
| Servicios Aereos Barsa | BB | SBS |
| SERVICIOS AEREOS EJECUTIVOS SAEREO | UF | SRO |
| SERVICIOS AEREOS PROFESIONALES | 5S | PSV |
| SERVIVENSA | VC | SVV |
| Servivensa - Empresa Servicios Avensa SA | VC | SVV |
| SEVERSTAL AIRCOMPANY | D2 | SSF |
| Shaheen Air International | NL | SAI |
| Shandong Airlines - SDA | SC | CDG |
| Shanghai Airlines | FM | CSH |
| Shanxi Airlines | 8C | CXI |
| SHANXI AVIATION CORPORATION | 8C | CXI |
| Shenzen Airlines | ZH | CSZ |
| SHENZHEN AIRLINES | ZH | CSZ |
| Shorouk Air | 7Q | SHK |
| SHOVKOVIY SHLYAH | S8 | SWW |
| Shuswap Flight Centre | 3S | SFC |
| Shuttle America | S5 | TCF |
| Sibaviatrans | 5M | SIB |
| Siberia Airlines | S7 | SBI |
| Siberia Interavia | 5H | STQ |
| SIBIR AIRLINES | S7 | SBI |
| Sichuan Airlines | 3U | CSC |
| Sierra National Airlines | LJ | SLA |
| Sierra Pacific Airlines | SI | SPA |
| SILK WAY AIRLINES | ZP | AZQ |
| Silkair | MI | SLK |
| Silverjet | Q7 | SLR |
| SIMBIRSK-AERO | R6 | SBK |
| Singapore Airlines | SQ | SIA |
| Singapore Airlines Cargo | SQ | SQC |
| SK Air | H2 | SKU |
| Skagway Air Service | 7J | SGY |
| SKAGWAY AIR SERVICE INC. | 7J | SGY |
| SKY AIRLINE | H2 | SKU |
| Sky King Inc | F3 | SGB |
| Skyeurope Airlines | NE | ESK |
| Skyjet | XH | SKJ |
| Skyking | RU | SKI |
| Skymark Airlines | BC | SKY |
| SKYMARK AIRLINES [JAPAN] | BC | SKY |
| SKYNET ASIA AIRWAYS | 6J | SNJ |
| Skyservice | 5G | SSV |
| Skyward Aviation | K9 | SGK |
| Skyway Airlines | AL | SYX |
| Skyways | JZ | SKX |
| SKYWAYS EXPRESS | JZ | SKX |
| Skywest Airlines | OO | SKW |
| SLOVAK AIRLINES | 6Q | SLL |
| Slovak Airlines - Slovenske Aerolinie | 6Q | SLL |
| SN BRUSSELS AIRLINES | SN | DAT |
| Solomon Airlines | IE | SOL |
| SOUTH AFRICAN AIRLINK | 4Z | LNK |
| South African Airways - SAA | SA | SAA |
| South African Express Airways | YB | EXY |
| SOUTH AIRLINES | YG | OTL |
| SouthCentral Air | CO | SCA |
| SOUTHERN AIR [CT-USA] | 9S | SOO |
| Southern Winds | A4 | SWD |
| Southwest Airlines | WN | SWA |
| SPAIR | S4 | PAR |
| Spair Air Transport | S4 | PAR |
| Spanair | JK | JKK |
| Special Cargo Airlines | C7 | SCI |
| Spirit Airlines | NK | NKS |
| SriLankan Airlines | UL | ALK |
| ST. BARTH COMMUTER | PV | SBU |
| STAF | FS | STU |
| Star Air | DQ | SRR |
| STAR AIR [INDONESIA] | 5H | STQ |
| Star Airlines | SE | SEU |
| STAR AIRLINES [FRANCE] | SE | SEU |
| State Transport Company of Russia | R4 | SDM |
| STERLING EUROPEAN AIRLINES | NB | SNB |
| Sterling European Airlines - SEA | NB | SNB |
| Stratford Airways | DP | FCA |
| Strezhevoy Air Enterprise | Z2 | STY |
| STYRIAN AIRWAYS | Z2 | STY |
| Suckling Airways | CB | SAY |
| Sudan Airways | SD | SUD |
| SUDWESTFLUG | HR | SXN |
| Sun Air of Scandinavia | EZ | SUS |
| SUN AIR [FIJI] | PI | SUF |
| Sun Country Airlines | SY | SCX |
| Sun Express | XQ | SXS |
| SUN-AIR OF SCANDINAVIA | EZ | SUS |
| SUNEXPRESS | XQ | SXS |
| Sunflower Airlines | PI | SUF |
| Sunshine Air | CQ | SNH |
| SUNSHINE EXPRESS AIRLINES | CQ | EXL |
| Sunwing Airlines | K0 | SWG |
| SUNWORLD INTERNATIONAL AIRLINES | SM | SWI |
| Sunworld International Airways | SM | SWI |
| Superior Aviation | SO | HKA |
| Surinam Airways / SLM | PY | SLM |
| Svea Flyg | SI | SVB |
| SVENSKA DIREKTFLYG | HS | HSV |
| Swazi Airlink | ZC | RSN |
| Swazi Express Airways | Q4 | SWX |
| SWE FLY | WV | SWV |
| Swedeways Air Lines | HJ | SWE |
| SWEDLINE EXPRESS | SM | SRL |
| Swiss International Airlines | LX | SWR |
| Swiss Wings | RQ | RQX |
| SYRIANAIR | RB | SYR |
| Syrianair - Syrian Arab Airlines | RB | SYR |
| |
| TAAG | DT | DTA |
| TAAG ANGOLA AIRLINES | DT | DTA |
| TACA International Airlines | TA | TAI |
| TACV - Cabo Verde Airlines | VR | TCV |
| TAES | E0 | ESS |
| TAESA | GD | TEJ |
| TAESA - Transportes Aereos Ejecutivos SA | GD | TEJ |
| TAG Aviation | FP | FPG |
| TAG AVIATION S.A. | FP | FPG |
| Tajikistan Airlines | 7J | TZK |
| TAM - Transportes Aereos Mercosur | PZ | LAP |
| TAM - Transportes Aereos Meridionais | JJ | BLC |
| TAM - Transportes Aereos Regionais | KK | TAM |
| TAM - Travaux Aeriens de Madagascar | OF | TML |
| TAM LINHA AEREA REGIONAL | KK | TAM |
| TAM TRANSPORTES AEREOS REGIONAIS | KK | TAM |
| TAME | EQ | TAE |
| TAME ECUADOR | EQ | TAE |
| TAMPA Colombia | QT | TPA |
| TAN - Transportes Aereos Neuquen | T8 | NQN |
| Tanavco Airways | GE | TNA |
| TAP Air Portugal | TP | TAP |
| TAPO-AVIA | 3S | CTP |
| TAPSA - Transportes Aereos Profesionales | V8 | TPS |
| TAPSA AVIACION | V8 | TPS |
| TAROM | RO | ROT |
| TAROM - Transporturile Aerienne Romane | RO | ROT |
| Tashkent Aircraft Production Corporation | 3S | CTP |
| TASSILI AIRLINES | SF | DTH |
| TATARSTAN AIRLINES | U9 | KAZ |
| Tatarstan Airlines - Avialinii Tatarstana | U9 | KAZ |
| Tatra Air | QS | TTR |
| TAVREY AIR COMPANY | T6 | TVR |
| Tavrey Aircompany | T6 | TVR |
| Tavria-MAK | BE | TVM |
| TBILAVIAMSHENI | L6 | VNZ |
| TCB - Transportes Charter do Brasil | TT | TCJ |
| Tesis | UZ | TIS |
| Thai Air Cargo | T2 | TCG |
| Thai Airways International | TG | THA |
| THAI FLYING SERVICE | TF | TFT |
| Thomas Cook Airlines | MT | TCX |
| THOMAS COOK AIRLINES [BELGIUM] | FQ | TCW |
| THOMAS COOK AIRLINES [UK] | MT | TCX |
| THY Turkish Airlines | TK | THY |
| TIKAL JETS AIRLINES | WU | TKC |
| TMA - Trans Mediterranean Airlines | TL | TMA |
| TNT AIRWAYS | 3V | TAY |
| TNT EXPRESS WORLDWIDE | 7X | NTR |
| TNT International Aviation | 7X | NTR |
| Togo Airlines | YT | TGA |
| TOL AIR SERVICES INC. | TI | TOL |
| Tolair Services | TI | TOL |
| Tower Air | FF | TOW |
| Trade Winds Airlines | WI | TDX |
| TRADEWINDS AIRLINES [NC-USA] | WI | TDX |
| Trans Air | P6 | MUI |
| Trans Air Benin | Y7 | TNB |
| Trans Air Congo | Q8 | TSG |
| Trans Air Valeologia | VY | VLG |
| TRANS AIR [HI-USA] | P6 | MUI |
| Trans Am | 7T | RTM |
| TRANS AM CIA AERO EXPRESS DHL | 7T | RTM |
| TRANS ARABIAN AIR TRANSPORT | TO | TRT |
| Trans Arabian Air Transport - TAAT | TO | TRT |
| Trans Asian Airlines | T7 | SRT |
| TRANS AVIA EXPORT | AL | TXC |
| Trans Charter | FZ | TCH |
| Trans European Airlines | UE | TEP |
| TRANS MEDITERRANEAN AIRWAYS | TL | TMA |
| Trans States Airlines | AX | LOF |
| Trans Travel Airlines - TTA | 6N | TRQ |
| Trans World Airlines - TWA | TW | TWA |
| TRANS-CHARTER AIRLINES | FZ | TCH |
| TransAer | T7 | TLA |
| Transaero Airlines | UN | TSO |
| TRANSASIA AIRWAYS | GE | TNA |
| Transavia Airlines | HV | TRA |
| TransAvia Export | AL | TXC |
| Transbrasil | TR | TBA |
| Transeast Airlines | T4 | TRL |
| Transmeridian Airlines | T9 | TRZ |
| TRANSMILE AIR SERVICE | TH | TSE |
| Transmile Air Services | TH | TSE |
| TRANSPORTES AEREOS DE CABO VERDE | VR | TCV |
| TRANSPORTES AEREOS NACIONALES DE SELVA | TJ | ELV |
| TRANSPORTES AEREOS NEUQUEN | T8 | NQN |
| TRANSPORTES CHARTER DO BRASIL | TT | TCJ |
| Transportes Charter Turismo | M3 | TUS |
| Transwest Air | 9T | ABS |
| TRASPORTI AEREI ITALIANI | 9X | ACL |
| Travel Service | QS | TVS |
| Travel Service Airlines | QS | TVS |
| Tropic Air | PM | TOS |
| TROPIC AIR [BELIZE] | PM | TOS |
| TROPICAL AIRWAYS D'HAITI | M7 | TBG |
| TUI Airlines Netherlands | OR | TFL |
| Tulip Air | TD | TLP |
| TUNINTER | UG | TUI |
| Tunis Air | TU | TAR |
| Tunisinter | UG | TUI |
| TURAN AIR | 3T | URN |
| Turanair | 3T | URN |
| TURK HAVA YOLLARI | TK | THY |
| TURKMENISTAN AIRLINES | T5 | TUA |
| Turkmenistan Airlines - Turkmenhavayollari | T5 | TUA |
| TURKS & CAICOS AIRWAYS | QW | TCI |
| Turks and Caicos Airways | QW | TCI |
| TWIN JET | T7 | TJT |
| Tyrolean Airways | VO | TYR |
| Tyumen Airlines | 7M | TYM |
| TyumenAviaTrans | P2 | TMN |
| |
| UENSPED PAKET SERVISI | UJ | UNS |
| Uganda Airlines | QU | UGA |
| UKRAINE AIRSERVICE AIRLINES | 9G | ASG |
| Ukraine Cargo Airways | 6Z | UKS |
| Ukraine International Airlines | PS | AUI |
| UKRAINE NATIONAL AIRLINES | UR | UNL |
| UKRAINIAN CARGO AIRWAYS | 6Z | UKS |
| UKRAINIAN MEDITERRANEAN AIRLINES | UF | UKM |
| UNI Air | B7 | UIA |
| United Air Express | 5W | AEU |
| United Airlines | UA | UAL |
| United Feeder Services | U2 | UFS |
| United Parcel Service | UP | UPS |
| UNIVERSAL AIRLINES [GUYANA] | UW | UVG |
| Universal Airways | UV | UVA |
| UPS - United Parcel Service | UP | UPS |
| UPS - Unsped Paket Servisi | UJ | UNS |
| URAL AIRLINES | U6 | SVR |
| Ural Airlines - Uralskie Avialinii | U6 | SVR |
| US Airways | US | USA |
| US Airways Express/Air Midwest | ZV | AMW |
| US Airways Express/Chautauqua Airlines | RW | CHQ |
| US Airways Express/Commutair | C5 | UCA |
| US Airways Shuttle | TB | USS |
| USA 3000 Airlines | U5 | GWY |
| USA Jet Airlines | U7 | JUS |
| UTAIR AVIATION | P2 | TMN |
| Uzbekistan Airways | HY | UZB |
| |
| V BIRD AIRLINES | 5D | VBA |
| V-Air - Varmlandsflyg | SM | SRL |
| VALUAIR | VF | VLU |
| Vanguard Airlines | NJ | VGD |
| Varig | RG | VRG |
| VARIG LOGISTICA | 4V | VLO |
| VASO | DN | VSO |
| VASP | VP | VSP |
| Venezolana Servicios Expresos de Carga | V4 | VEC |
| VENSECAR INTERNACIONAL | V4 | VEC |
| VIA - Air VIA Bulgarian Airways | VL | VIM |
| VIAGGIO AIR | VM | VOA |
| Vieques Air Link | VI | VES |
| Vietnam Airlines | VN | HVN |
| VILLAGE AVIATION | R9 | CAM |
| Virgin Atlantic Airways | VS | VIR |
| VIRGIN BLUE AIRLINES | DJ | VOZ |
| Virgin Express | TV | VEX |
| Virgin Express Ireland | VK | VEI |
| Vladivostok Air | XF | VLK |
| VLM - Vlaamse Luchtvaart Maatschappij | VG | VLM |
| VLM AIRLINES | VG | VLM |
| Vnukovo Airlines | V5 | VKO |
| Volare Airlines | 8D | VLE |
| VOLARE AVIATION ENTERPRISE | F7 | VRE |
| Volare Ukraine | F7 | VRE |
| Volga Dnepr Airlines | VI | VDA |
| VOLGA-DNEPR AIRLINES | VI | VDA |
| Voronezh Aircraft Manufacturing Society | DN | VSO |
| Voronezh Avia | ZT | VRN |
| VORONEZHAVIA | ZT | VRN |
| VOTEC SERVICIOS AEREOS REGIONNAIS | VO | VOT |
| Voyageur Airways | 4V | VAL |
| Vuelos Exclusivos de Mexico | 3W | EMX |
| |
| WALTAIR | XV | GOT |
| WANAIR | 3W | VNR |
| Wasaya Airways | WG | WSG |
| WDL Aviation | WL | WDL |
| WELCOME AIR | 2W | WLC |
| West Air Sweden | PT | SWN |
| West Bird Aviation | FC | WBA |
| West Caribbean Airways | YH | WCW |
| WestJet | WS | WJA |
| Wideroe - Wideroe's Flyveselskap | WF | WIF |
| WIMBI DIRA AIRWAYS | 9C | WDA |
| Winair - Windward Island Airways International | WM | WIA |
| WIND JET | IV | JET |
| WINDWARD ISLANDS AIRWAYS INTERNATIONAL | WM | WIA |
| Wings of Alaska | K5 | WAK |
| WIZZ AIR HUNGARY | W6 | WZZ |
| World Air Network | WL | WAC |
| World Airways | WO | WOA |
| Wuhan Air Lines | WU | CWU |
| |
| Xiamen Airlines | MF | CXA |
| |
| YAKUTAVIA | K7 | IKT |
| YAKUTIA AIRLINES | K7 | SYL |
| YAMAL AIRLINES | YL | LLM |
| YANGTZE RIVER EXPRESS AIRLINES | Y8 | YZR |
| Yemenia - Yemen Airways | IY | IYE |
| Yute Air Alaska | 4Y | UYA |
| Yuzmashavia | 2N | UMK |
| |
| ZAMBIAN AIRWAYS | Q3 | MBN |
| Zhongyuan Airlines | Z2 | CYN |
| Zimex Aviation | C4 | IMX |
| ZIMEX AVIATION LTD. | C4 | IMX |
| ZIP AIR | 3J | ZIP |
| Zoom Airlines | Z4 | OOM |
