NOTAM Contractions Abbreviations and Acronyms

1. l
   Lake
2. l
   Longitude
3. l
   Left
4. M
   Manitoba
5. M
   Medium
6. M
   Minimum
7. M
   Monday
8. M
   Maritime (air mass)
9. M
   In temperature field means ”minus” or below zero (METAR)
10. M
    In RVR Field, indicates visibility less than lowest reportable sensor value (e.g. M0600FT)
11. M
    Missing (weather reports only)
12. M
    Mountain Standard Time (time groups only)
13. MAR
    Maritime
14. N
    Number
15. N
    North
16. P
    Pacific
17. P
    Peninsula
18. P
    Plus
19. P
    Pacific Standard Time (time group only)
20. P
    Polar (air mass)

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