ICAO Airline Code Abbreviations and Acronyms

1. OAA
   Oxley Aviation
2. OAC
   Oriental Airlines
3. OAE
   Omni Air International
4. OAO
   Arkhangelsk 2 Aviation Division
5. OAO
   Arkhangelsk 2 Aviation Divisionsion
6. OAV
   Omni - Aviacaofe Tecnologia
7. OAW
   Helvetic Airwtys
8. OAX
   Operational Aviation Services
9. OBK
   Amako Airlines
10. OCEANAIR
    Oceanair
11. OCM
    O'Connor Airlines
12. OCN
    O Air
13. OCO
    Ostend Air College
14. OCONNOR
    O'Connor Airlines
15. OCS
    Ocean Sky
16. ODM
    Pan African Airways
17. ODY
    Odyssey International
18. ODYSSEY
    Odyssey International
19. OEA
    Orient Thai Airlines
20. OED
    Orion Air Charter

Last updated: January 4, 2020 — Total entries: 5,852