NOTAM Contractions Abbreviations and Acronyms

1. NW
   Northwest
2. NWE
   New England
3. NWLY
   Northwesterly (weather reports only)
4. NWRN
   Northwestern (weather reports only)
5. OB
   Obscure
6. OBS
   Obscure
7. OBS
   Observation
8. OBS
   Obstruction
9. OBSC
   Obscure
10. OBSC
    Obscured
11. OBSCD
    Obscured
12. OBSERV
    Observation
13. OBST
    Obstruction
14. OBSTR
    Obstruction
15. OBSV
    Observation
16. OC
    Occlusion
17. OCCL
    Occlusion
18. OCFNT
    Occluded Front
19. OCLD
    Occlude
20. OCLN
    Occlusion

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