Spacecraft Abbreviations and Acronyms

1. SOL
   Squelch
2. SPK
   Speaker
3. SPKR
   Speaker
4. SQ
   Squelch
5. SQL
   Squelch
6. SQU
   Squelch
7. SRS
   Speed Reference System
8. SSCV
   Solid-State Cocktit Voice
9. SSCV
   Solid-State Cockpit Voice
10. SSCV/DR
    Solid-State Cockpit Voice/Data Recorder
11. SSCVR
    Solid-State Cockpit Voice Recorder
12. SSFDR
    Solid-State Flight Data Recorder
13. SSI
    Solid State Imager
14. SSP
    Surface Science Packages
15. ST5
    Space Technology 5
16. STAR
    Standard Terminal Arrival Route
17. STARS
    Standard Terminal Automation Replacement System
18. STC
    Supplemental Type Certificate
19. STCA
    Short-Term Conflict Alert
20. STNR
    Signal-To-Noise Ratio

Last updated: May 24, 2020 — Total entries: 680