Aeronautics Abbreviations and Acronyms

1. HOLR
   Monitor
2. HOLS
   Holidays
3. HPR
   High Pressure Rotor
4. HSD
   High Speed Data
5. HSG
   High Sustained Gs Acceleration
6. HSI
   Horizontal Situation Indicator
7. HSL
   Heading Select
8. HTPB
   Hydroxyl Terminated Polybutadiene
9. HUD
   Head-Up Display
10. HUMS
    Health and Usage Monitoring Systems
11. HVSL
    Holidays
12. HW
    Ha Rd Wa Re
13. HYG
    Lhypergolic
14. HZ
    cycles per second (hertz)
15. IAIMS
    Information Management System
16. IAS
    Indicated Airspeed
17. IC
    Initial Condition
18. IC
    Integrated Circuit
19. IC
    Intercomputer
20. IC
    Interim Change

Last updated: May 24, 2020 — Total entries: 1,557