NASA Abbreviations and Acronyms

1. FDIR
   Recovery/recognition
2. FDK
   Flight Display Keyboard
3. FDL
   Flight Director Loop
4. FDLC
   Final Design Load Cycle
5. FDLN
   Feedline
6. FDM
   Frequency Division Multiplexer
7. FDM
   Frequency Data Multiplexer
8. FDMA
   Frequency-Division Multiple Access
9. FDO
   Fee Determination Official
10. FDO
    Flight Dynamics Officer
11. FDOR
    Flight Design Operations Review
12. FDP
    Flight Design Panel
13. FDR
    Functional Design Review
14. FDRI
    Flight Director Rate Indicator
15. FDS
    Flight Dynamics Software/system
16. FDS
    Fluid Distribution System
17. FDS
    Functional Design Specifications
18. FDSCU
    Fluid Distribution System Control Unit
19. FDSR
    Final Design Status Review
20. FDT
    full-duplex teletype

Last updated: May 6, 2025 — Total entries: 14,020