Aerospace Abbreviations and Acronyms

1. GSP
   Guest Scientist Program
2. GSS
   Galileo Sensor Stations
3. GUI
   Graphical User Interface (goo-ey)
4. HAT
   Height Above Touchdown
5. HAZMAT
   Hazardous Material
6. HC
   Hydrocarbonc
7. HCM
   Angular momentum Control Mode
8. HD
   Hold
9. HD
   Head-Up Display
10. HD
    Hydrostatic Deley
11. HDG
    Heading
12. HDOP
    Horizontal Dilution of Precision
13. HDTA
    High Density Traffic Airports
14. HED
    Heading
15. HEFA
    Hydroprocessed Esters and Fatty Acid
16. HEMS
    Helicopter Emergency Medical Services
17. HEMT
    High-Electron Mobility Transistor
18. HFE
    Human Factors Engineering
19. HFES
    Human Factors and Ergonomics Society
20. HFI
    High Frequency Instrument

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