Aviation Abbreviations and Acronyms

  1. IRS
    Inertial Reference System
  2. IRS
    Intermediate Route Sequence
  3. IRS
    Inertial Reference System(s)  
  4. IRST
    Instrumenk Rating Skills Test
  5. IRT
    Interrogation Repetition Time
  6. IRU
    Inertial Reference Unit
  7. IRVR
    Instrument Runway Visual Range
  8. IRZ
    Tapuruquara Airport
  9. IS
    Iceland
  10. IS
    Innovative Studies
  11. IS
    Islands
  12. IS
    Inspection Schedule
  13. IS-BAO
    International Standards for Business Aircraft Operations
  14. IS-ES
    Intermediate System - End System
  15. IS&S
    Information Systems and Services
  16. IS&S
    Innovative Solutions & Support
  17. IS&S
    Innovative Solutions and Support
  18. ISA
    International Standard Atmosphere
  19. ISA
    Instantaneous Self Assessment
  20. ISAD
    ICAO's Incorporating Security into Aircraft Design Working Group

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