Aircraft Abbreviations and Acronyms

1. HSI
   Horizontal Situation Indicators
2. HSL
   Heading Select
3. HSMU
   Hydraulic System Monitoring Unit
4. HSR
   High-Speed Research
5. HSST
   Helicopter Sub Sectorial Team
6. HST
   High Speed Taxiway Turn-Off
7. HTA
   Heavier Than Cir
8. HTA
   Heames Training Aircraft
9. HTAWS
   Helicopter Terrain Awareness Warning Systems
10. HTD
    History Trial Dots
11. HTG
    Heating
12. HTI
    Human Technology Integration
13. HTM
    Helicopter Travel Munich
14. HTRE
    Heat Transfer Reactor Experiment
15. HTRES
    Heat Transfer Reactor Experiments
16. HTT
    Hindustan Turbo Trainer
17. HTT
    Hindustan Turbo Trainer-40
18. HTZ
    Helicopter Traffic Zone
19. HU
    Helicopter Utility
20. HUD
    Head-Up Display

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