Federal Aviation Administration Abbreviations and Acronyms

1. N.A.
   Not Applicable
2. k
   Kilobyte
3. k
   Kilometer
4. k
   Kilogram
5. k
   Kelvin
6. SIT
   System Integration Testing
7. SIT
   System Integration Test
8. t
   Transmitter
9. CONUS
   Continental US
10. CONUS
    Contiguous US
11. FATP
    Factory Acceptance Test Plan
12. NAS
    National Airspace System
13. NCP
    NAS Change Proposal
14. O
    Engineering Order
15. PRS
    Provisioning Requirements Statement
16. SPO
    Satellite Program Office
17. SPR
    Software Problem Report
18. SSR
    System Requirements Review
19. SSR
    Software Specification Review
20. SSR
    Secondary Surveillance Radar

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