NOTAM Contractions Abbreviations and Acronyms

1. UNSTL
   Unsettle
2. UNUSBL
   Unusable
3. UP
   Upper
4. UP
   Unknown Precipitation (Automated Observations)
5. UPDFTS
   Updrafts
6. UPPR
   Upper
7. UPR
   Upper
8. UPSLP
   Upslope
9. UPSTRM
   Upstream
10. UTFN
    Until Further Notice
11. UU
    Unusable
12. UVV
    Upward Vertical Velocity
13. UWNDS
    Upper Winds
14. VA
    Volcanic Ash (METAR)
15. VAL
    Valley
16. VASI
    Visual Approach Slope Indicator
17. VASL
    Visual Approach Slope Indicator
18. VC
    Velocity
19. VC
    Vicinity
20. VCNTY
    Vicinity

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