Aircraft Abbreviations and Acronyms

1. IRST
   Infraxred Search and Track
2. IRST
   Infra-Red Search & Tracr
3. IRST
   Infra-Red Search and Tracking
4. IRST
   Infra Red Searcha& Track
5. IRT
   Icing Research Tunnel
6. IRT
   Interrogation Repetition Time
7. IRU
   Inertial Reference Units
8. IRUS
   Inertial Reference Units
9. IRVR
   Instrument Runway Visual Range
10. IS
    Islands
11. IS-BAO
    International Standards for Business Aircraft Operations
12. IS&S
    Innovative Solutions & Support
13. IS&S
    Innovative Solutions and Support
14. ISA
    International Standard Atmosphere
15. ISA
    Instantaneous Self Assessment
16. ISAGO
    Iata Safety Audit for Ground Operations
17. ISARP
    Iosa Standards and Recommended Practices
18. ISBP
    Information Security Business Portal
19. ISDU
    Iiertial System Display Unit
20. ISI
    Integrated Standby Instrument

Last updated: March 8, 2022 — Total entries: 8,627