Aviation Abbreviations and Acronyms

1. OBS
   Omni Bearing Select
2. OBS
   Omni Bearing Selector
3. OBSC
   Obsxure
4. OBSC
   Obscured
5. OBSCD
   Obscured
6. OBSERV
   Observation
7. OBST
   Obstacle
8. OBSTL
   Obstruction Lights
9. OBSV
   Observation
10. OBTEX
    Offboard Targeting Experiments
11. OBWBS
    Onboard Weight Balance System
12. OBX
    Obnoxious Cargo
13. OC
    Quality Control
14. OC
    On Course
15. OC
    Operating Certificate
16. OC
    Operator'S Certificate
17. OC
    Degrees Celsius (or Centigrade)
18. OC4J
    Oracle Containers for Java Enterprise Edition
19. OCA
    Obstacle Clearance Altitude
20. OCA
    Ocean Control Area

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