Federal Aviation Administration Abbreviations and Acronyms

1. SX
   Service
2. SYQ
   Command and Control Systems
3. SYSTEM
   Program Manager
4. TAC
   Technical Assistance Contract
5. TACAN
   Tactical Air Navigation
6. TAE
   Transportation Acquisition Executive
7. TAI
   International Atomic Time (Temps Atomique International)
8. TAM
   Transportation Acquisition Manual
9. TANDE
   Test and Evaluation
10. TBD
    To Be Determined
11. TBP
    To Be Provided
12. TBR
    To Be Resolved
13. TBS
    To Be Supplied
14. TC
    Type Certification
15. TC
    Tropospheric Correction
16. TC
    Terrestrial Communications
17. TCAS
    Traffic Air Alert Collision Avoidance System
18. TCC
    Terminal Control Circuit
19. TCCC
    Tower Control Computer Complex
20. TCH
    Threshold Crossing Height

Last updated: September 10, 2020 — Total entries: 2,563