INITIALES COMPAGNIES
| AA | American Airlines | |
| AF | Air France | |
| AG | Air Guadeloupe | |
| AH | Air Algérie | |
| AL | Allegheny | US Air |
| AM | Aeronaves de Mexico | |
| AS | Alaska Airlines | |
| AT | Royal Air Maroc | |
| AZ | Alitalia | |
| BA | BOAC British Overseas Airways Corporation | British Airways |
| BB | Balair | |
| BD | British Midland | |
| BE | BEA British European Airways | British Airways |
| BN | Braniff International Airways | collapsed |
| CA | CAAC | |
| CI | China Airlines | |
| CO | Continental Airlines | |
| CX | Cathay Pacific Airways | |
| DL | Delta Air Lines | |
| DS | Air Sénégal | |
| EA | Eastern Airlines | |
| FL | Frontier Airways | |
| GA | Garuda Indonesian Airways | |
| GU | Aviateca | |
| HA | Hawaian Airlines | |
| HM | Air Seychelles | |
| HP | America West | |
| IA | Iraqi Airways | |
| IB | Iberia | |
| IC | Indian Airlines | |
| IJ | Air Liberté | |
| IT | Air Inter | Air France |
| IW | AOM | |
| IZ | Arkia Airlines | |
| JL | Japan Air Lines | |
| KA | Dragonair | |
| KL | KLM | |
| LH | Lufthansa | |
| LY | El Al Israel Airlines | |
| ME | Middle East Airlines | |
| MH | Malaysian Airlines | |
| MK | Air Mauritius | |
| MO | Mohawk | Northeast |
| MS | Egyptair | |
| MX | Mexicana de Aviacion | |
| MZ | Merpati | |
| NA | National Airlines | |
| NE | NorthEast Airways | Eastern |
| NH | All Nippon Airways | |
| NN | Air Martinique | |
| NW | NorthWest Airlines | |
| NY | New York Airways | collapsed |
| OA | Olympic Airways | |
| OG | Air Guadeloupe | |
| OH | Finnair | |
| OM | Mongolian Airlines | |
| OS | Austrian Airlines | |
| PA | Panam Pan Amercian Airways | collapsed |
| PS | Pacific Southwest Airlines | |
| RC | Republic Airlines | |
| RJ | Alia Royal Jordanian Airways | |
| RK | Air Afrique | |
| RN | Royal Air Inter | |
| RO | Tarom -- Romania Airlines | |
| RW | Hughes Air West | |
| SF | Air Charter International | Air France |
| SK | SAS Scandinavian | |
| SN | Sabena | collapsed (2001) |
| SQ | Singapore Airlines | |
| SR | Swissair | Swiss (2001) |
| SU | Aeroflot | |
| TG | Thai International Airways | |
| TH | Thai Airlines | |
| TK | Turkish Airlines | |
| TT | Texas International Airways | |
| TU | Tunis Air | |
| TW | Trans World Airlines | |
| UA | United Airlines | |
| UT | UTA Union des Transports Aériens | Air France |
| VT | Air Polynésie | |
| VU | Air Ivoire | |
| WA | Western Airlines | United ? |