Federal Aviation Administration Abbreviations and Acronyms

1. GRR
   Group Repetition Rate
2. GRS
   Geodetic Reference System
3. GS
   GP Simulator
4. GSA
   General Services Administration
5. GSAD
   General Services Administration
6. GSO
   Satellite Ground System Operator
7. GST
   GEO Satellite Transponder
8. GTS
   Global Timing System
9. GUI
   Graphical User Interface
10. GUS
    Ground Uplink Station
11. GUS
    GEO Uplink Sub System
12. GUSP
    GUS Processor
13. HAL
    Horizontal Alert Limit
14. HAT
    Height Above Touchdown
15. HCI
    Hardware Configuration Item
16. HCI
    Human Computer Interface
17. HD
    High Dynamic
18. HDLC
    High-Level Data Link Control
19. HDOP
    Horizontal Dilution of Precision
20. HDOP
    Horizontal Dilution of Position

Last updated: September 10, 2020 — Total entries: 2,563