Aviation Abbreviations and Acronyms

1. C of O
   Certificate of Origin
2. prop.
   Propellor
3. PRQ
   Pilot Request
4. PRV
   Pressure Relief Valve
5. W/W
   Weather
6. b&h
   Bosnia & Herzegovina
7. c&w
   Continuous Wave
8. c&w
   Carrier Wave
9. c&w
   Complied With
10. CANX
    Cancelled
11. CATX
    Categorical Exclusion
12. NSW
    No Significant Weather
13. O/B
    Overboard
14. PRT
    Port
15. SAV
    Starter Air Valve
16. SCT
    Southern California Area TRACON
17. SCU
    Signal Conditioning Unit
18. SIN
    Sine
19. tru
    True
20. tru
    Transformer-Rectifier Unit(s)  

Last updated: January 9, 2022 — Total entries: 27,749