NOTAM Contractions Abbreviations and Acronyms

1. OFP
   Occluded Frontal Passage
2. OFSHR
   Offshore
3. OM
   Outer Marker
4. ON
   Ontario
5. ONT
   Ontario
6. OOS
   Out of Service
7. OP
   Operation
8. OP
   Operate
9. OPER
   Operation
10. OPER
    Operate
11. OPN
    Operation
12. OPR
    Operation
13. OPR
    Operate
14. OPRN
    Operation
15. OPS
    Operation
16. ORGPHC
    Orographic
17. ORIG
    Original
18. OSV
    Ocean Station Vessel
19. OTAS
    On Top and Smooth
20. OTLK
    Outlook

Last updated: September 14, 2020 — Total entries: 1,482