NOTAM Contractions Abbreviations and Acronyms

1. IF
   Intermediate Fix
2. ILS
   Instrument Landing System
3. IM
   Immediate
4. IM
   Inner Marker
5. IMC
   Instrument Meteorological Conditions
6. IMDT
   Immediate
7. IMED
   Immediate
8. IMI
   Information
9. IMM
   Immediate
10. IMMED
    Immediate
11. IMT
    Immediate
12. IN
    Inch/Inches
13. INB
    Inbound
14. INBD
    Inbound
15. INDEFLY
    Indefinitely
16. INF
    Information
17. INFO
    Information
18. INFRA
    Below
19. INLD
    Inland
20. INOP
    Inoperative

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