Airlines — T
- TSTTRAST
- TSJTrast Aero
- XARTravel Express Aviation Services
- TICTravel International Air Charters
- TVLTravel Service
- TLVTravelair
- TNXTrener Ltd
- TMGTri-MG Intra Asia Airlines
- TSSTri-State Aero
- TRUTriangle Airline (Uganda)
- TGNTrigana Air Service
- TBHTrinity Air Bahamas
- TIBTRIP Linhas A
- CLUTriple Alpha
- TTPTriple O Aviation
- TSYTristar Air
- TRYTristar Airlines
- DRCTriton Airlines
- TSVTropair Airservices
- TOSTropic Air
- TROTropic Airlines-Air Molokai
- TBGTropical Airways
- TKXTropical International Airways
- TP3TROPICAL LINHAS AEREAS
- TCATropican Air Services
- TYGTrygg-Flyg
- PSSTSSKB-Progress
- TTATTA - Sociedade de Transporte e Trabalho Aereo
- TBRTubelair
- TUBTUI Airlines Belgium
- HLXTUIfly
- BLXTUIfly Nordic
- TLPTulip Air
- TULTulpar Air
- TUXTulpar Air Service
- TUZTuna Aero
- TUITuninter
- TARTunisair
- TAJTunisavia
- URNTuran Air
- TBCTurbine Air Cargo UK
- TACTurbot Air Cargo
- TRQTurdus Airways
- TUCTurismo Aereo de Chile
- THKTurk Hava Kurumu Hava Taksi Isletmesi
- HVKTurkish Air Force
- THYTurkish Airlines
- TWDTurkish Wings Domestic
- TUATurkmenistan Airlines
- TRKTurkuaz Airlines
- TLTTurtle Airways
- USBTusheti
- TWBTway Airlines
- TWOTwente Airlines
- TCYTwin Cities Air Service
- TJTTwin Jet
- TNYTwin Town Leasing Company
- TWJTwinjet Aircraft Sales
- TYWTyrol Air Ambulance
- TYRTyrolean Airways
- TJSTyrolean Jet Service
- TUMTyumenspecavia