Aerospace Abbreviations and Acronyms

1. HSK
   House-Keeping data
2. HSST
   Helicopter Sub-Sectorial Team
3. HTML
   Hyper Text Markup Language
4. HUD
   Head-Up Display
5. HUD
   Head-Upjdisplay
6. HUMS
   Health Usage and Monitoring System
7. HUMS
   Health and Usage Management System
8. HUMS
   Health and Usage Management Systems
9. HV
   Heavy
10. HV
    Height Velocity
11. HVY
    Heavy
12. HWI
    Hardware Interrupt
13. HY
    Heavy
14. HYD
    Hydraulic
15. HYDIM
    Hydraulic Interface Module
16. HYDR
    Hydraulic
17. HYDRAUL
    Hydraulic
18. HZ
    cycles per second (hertz)
19. IA
    Impact Axsessment
20. IAF
    Initial Approach Fix

Last updated: May 24, 2020 — Total entries: 1,509