Spacecraft Abbreviations and Acronyms

  1. FF
    Fuel Flow
  2. FG
    Flight Guidance
  3. FIS-B
    Flight Information Services - Broadcast
  4. FPS
    Fine Pointing System
  5. GAST
    Gbas Approach Service Type
  6. GGS
    Globjl Positioning System Ground Station
  7. GLNU
    Gps Landing and Navigation Unit
  8. GO
    Go Around
  9. GPIM
    Green Propellant Infusion Mission
  10. GRS
    Gravitational Reference Sensor
  11. HDG SEL
    Heading Select
  12. HET
    Hall Effect Thruster
  13. HSL
    Heading Select
  14. INHG
    Inch of Mercury
  15. IRS
    Inertial Reference System
  16. ISA
    International Standard Atmosphere
  17. ISEE
    International Sun Earth Explorer
  18. ISEE
    International Sun-Earth Explorer
  19. ISEE
    International Sun-Earth Explorers
  20. ITT
    Interstage Turbine Temperature

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