| FAA |
Federal Aviation Administration |
| FA/TDMA |
Fixed Assignment / Time Division Multiple Access |
| FAT |
Factory Acceptance Test |
| FAX |
Facsimile |
| F-bit |
Framing Bit |
| FBB |
FleetBroadBand |
| FBW |
Fractional Bandwidth |
| FCC |
Federal Communications Commission |
| FCR |
France Câbles et Radio |
| FCS |
Frame Check Sequence |
| FCS |
Full Carrier Suppression |
| FCU |
Fluid Control Unit |
| FD |
Focal Length to Diameter Ratio |
| FDD |
Frequency Division Duplex |
| FDFM |
Frequency Division / Frequency Modulation |
| FDIR |
Failure Detection Isolation and Recovery |
| FDM |
Frequency Division Multiplex |
| FDMA |
Frequency Division Multiple Access |
| FDM/CFM |
Frequency Division Multiplex / Companded Frequency Modulation |
| FDM/FM |
Frequency Division Multiplex / Frequency Modulation |
| FDR |
Final Design Review |
| FDSS |
Fine Digital Sun Sensor |
| FDSSA |
Fine Digital Sun Sensor Assembly |
| FDX |
Full Duplex |
| FE |
Front End |
| FEC |
Forward Error Correction |
| FEE |
Front End Equipment |
| FEP |
Front End Processor |
| FET |
Field Effect Transistor |
| FFP |
Fixed Fee Procurement |
| FFSC |
Full Flow Staged Combustion |
| FFSCC |
Full Flow Staged Combustion Cycle |
| FFT |
Fast Fourier Transform |
| FH |
Frequency Hopping |
| FHMA |
Frequency Hopping Multiple Access |
| FHSS |
Frequency Hopping Spread Spectrum |
| FLP |
Forward Link Processor |
| FLS |
Feeder Link Stations |
| FLTR |
Filter |
| FLU |
Full Line Up |
| FM |
Flight Model |
| FM |
Frequency Modulation |
| FMEA |
Failure Modes and Effects Analysis |
| FMECA |
Failure Modes, Effects and Criticality Analysis |
| FMFB |
Frequency Modulation Feedback |
| FMWA |
Fixed Momentum Wheel Assembly |
| FM/TV |
Frequency Modulation/Television |
| FOD |
Foreign Object Damage |
| FONSI |
Findings Of No Significant Environmental Damage |
| FOS |
Factor Of Safety |
| FOS |
Follow On Satellite |
| FP |
Full Period |
| FPA |
Final Power Amplifier |
| FPA |
Flat Panel Antenna |
| FPGA |
Field Programmable Gate Array |
| FRAD |
Frame Relay Access Device |
| FRR |
First Refusal Reservation |
| FRR |
Flight Readiness Review |
| FRSC |
Fuel Rich Staged Combustion |
| FS |
Figure Shift |
| FSK |
Frequency Shift Keyed |
| FSS |
Fixed Satellite Service |
| FSW |
Friction Stir Welding |
| FT |
Full Time |
| FTP |
File Transfer Protocol |
| FTS |
Flight Termination System |
| FTV |
Flight Test Vehicle |
| FW |
Firmware |
| FWCI |
Firmware Configuration Item |
