Transportation Abbreviations and Acronyms

1. S
   Superior
2. S
   Supervisor
3. S
   Supercharger
4. S
   Superman
5. S
   Speed
6. S
   Stopped
7. SAR
   Superintendent
8. SCR
   Shipboard Census Report
9. SCS
   Stop Control System
10. SET
    Safe Effective Transport
11. TAS
    Trail A Sled
12. TAS
    Traffic Advisory System
13. U
    Unknown
14. U
    Unlicensed
15. USN
    United States Navy
16. USP
    Unidentified Street Pizza
17. USW
    Undersea Warfare
18. Y/N
    Yes or No
19. AAR
    Association of American Railroads
20. AAR
    Airport Acceptance Rate

Last updated: January 23, 2022 — Total entries: 10,048