| Abbreviation | Definition |
|---|---|
| TAS | True Air Speed |
| TASA | Transportation Alternative Set Aside |
| TASC | Transportation Assistance for Seacoast Citizens |
| TASK | Travel Awareness Strategic Knowledge |
| TASS | Terminal Air Surveillance System |
| TAT | Theoretical Arrival Time |
| TATAC | Thorold Active Transportation Advisory Committee |
| TATC | Transportation Appeal Tribunal of Canada |
| TATCA | Terminal Air Traffic Control Automation |
| TATS | Transportation Aviation Test and Support |
| TATS | Truman Area Transportation Service |
| TAV | Tactical Application Vehicles |
| TAVT | Terminal Airspace Visualization Tool |
| TAZ | Traffic Analysis Zone |
| TAZ | Transportation Analysis Zone |
| TB | Throttle Body |
| TB | Trad Barrier |
| TB | Transportation Buggy |
| TBC | The Boring Company |
| TBC | Trailer Brake Controller |