Federal Aviation Administration Abbreviations and Acronyms

1. SPS
   Software Product Specification
2. SPS
   Symbols Per Second
3. SPS
   Standard Positioning Service
4. USNO
   United States Naval Observatory
5. D&C
   Direct Current
6. D&C
   District of Columbia
7. COTS
   Commercial Off-The-Shelf​
8. IAWP
   Initial Approach Waypoint
9. ICOA
   International Civil Aviation Organization
10. NATS
    National Air Traffic Services
11. PARC
    Performance-Based Operations Aviation Rulemaking Committee
12. PASS
    Professional Airways System Specialists
13. SARP
    Standards and Recommended Practices
14. c&w
    Continuous Wave
15. FAT
    Factory Acceptance Test
16. MOW
    Maintenance-Of-Way
17. SOT
    Solid Earth Tides
18. HIFREQ
    High Frequency
19. SAW
    Surface Acoustic Wave
20. TRR
    Test Readiness Review

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