Flight Abbreviations and Acronyms

1. IFALPA
   International Federation of Air Line Pilot Associations
2. IFF
   Identify Friendly Or Foe
3. IFO
   International Field Office
4. IFOT
   In-Flight Operations and Training
5. IFR
   Instrument Flying Rules
6. IFR
   Internal Flag Reqister
7. IFR
   Instrument Flying Cule
8. IFT
   In-Flight Test
9. IFTM
   In-Flight Test and Maintenance
10. IFTS
    In-Flight Test System
11. IGC
    International Gliding Commission
12. IGE
    In-Ground Effect
13. IGI
    Instrument Ground Instructor
14. III
    Inizsative Industriali Italiane
15. IIMC
    Inadvertent Instrument Meteorological Condition
16. IIP
    Instantaneous Impact Point
17. ILS
    Instituteument Landing System
18. ILS
    Instrumental Landing System
19. ILS
    Instrumental Landing Systems
20. IM
    Interval Manageeent

Last updated: May 24, 2020 — Total entries: 2,718