NOTAM Contractions Abbreviations and Acronyms

1. IOVC
   In Overcast
2. IR
   Ice On Runway
3. IR
   Ice On Runway(s)
4. ISI
   Intensity
5. JET STREAM
   Jet Stream
6. JSM
   Jet Stream
7. JTST
   Jet Stream
8. JTSTR
   Jet Stream
9. KFRST
   Killing Frost
10. KLYR
    Smoke Layer Aloft
11. KOCTY
    Smoke Over City
12. KT
    Knots
13. KTS
    Knots
14. LAA
    Local Airport Advisory
15. LAB
    Labrador
16. LABRDR
    Labrador
17. LAN
    Inland
18. LB
    Pound/Pounds
19. LC
    Local Control
20. LCL
    Local

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