| Pages:
A - AIR
AIR - AVI
AVI - CHE
CHE - EUR
EUR - JET
JET - MAE
MAL - R
S - TI
TR - WES
WES - Z |
| airline | country | IATA | ICAO |
| TRADE AIR | Croatia | | TDR |
| TRANS-KIEV | Ukraine | | KCA |
 Transaero | Russia | UN | TSO |
| TRANSALP | Italy | | TNP |
| TRANSAVIA AIRLINES | Netherlands | HV | TRA |
| TRANSAVIAEXPORT | BELARUS | | TXC |
| TRANSKEI AIRWAYS | SOUTH AFRICA | | TAK |
| TRANSPORTES AEREOS PORTUGUESES, E.P. | Portugal | | TAP |
| TRAVELAIR GMBH AND CO. KG | Germany | | TAX |
| TULPAR | Russia | | TUL |
| TUPOLEV AEROTRANS | Russia | | TUP |
| TURAN AIR | Azerbaijan | | URN |
| Turk Hava Yollari - Turkish Airlines Inc | Turkey | TK | THY |
| Turkmenistan | Turkmenistan | T5 | TUA |
| TYROLEAN JET SERVICE | Austria | | TJS |
| UAS - FOUR | United Kingdom | | UAS |
| UES AVIA | Ukraine | | UES |
| UKKK | Ukraine | | UNL |
| UKRAINE AIR ENTERPRISE | Ukraine | | UKN |
| UKRAINE AIRALLIANCE | Ukraine | | UKL |
| Ukraine Cargo Airwais | Ukraine | 6Z | UKS |
| Ukraine International Airlines | Ukraine | PS | AUI |
| Ukrainian Mediterranean Airlines LTD | Ukraine | UF | UKM |
| UKRAINIAN PILOT SCHOOL | Ukraine | | UPL |
| UNI AIR | France | | UAR |
| UNION DES TRANSPORTS AERIENS (UTA) | France | | UTA |
| United Air Lines, Inc | USA | UA | UAL |
| UNITED KINGDOM | United Kingdom | | MHN |
| Ural Airlines | Russia | U6 | URW |
| Ural Airlines | Russia | U6 | SVR |
| UTair | Russia | P2 | UTA |
| Uzbekistan Airways | Uzbekistan | HY | UZB |
| VEA | Bulgaria | | VEA |
| VIBRO AIR FLUGSERVICE | Germany | | VIB |
| Volare Airlines | Italy | 8D | VLE |
| Volare Ukraine | Ukraine | F7 | VRE |
| Volga-Dnepr | Russia | VI | VDA |
| VOLOGDA STATE AIR ENTERPRISE | Russia | | VGV |
| VOLVO, AB | Sweden | | VOL |
| WEST KHARKOV | Ukraine | | WKH |
| Pages:
A - AIR
AIR - AVI
AVI - CHE
CHE - EUR
EUR - JET
JET - MAE
MAL - R
S - TI
TR - WES
WES - Z |