| Abbreviation | Definition |
|---|---|
| FK | Function Key |
| FL | Flourescent Lamp |
| FLA | Full Load Amperes |
| FLH | Fiberglass Line Hardware |
| FLOPS | FLoating Point Operations per Second |
| FMB | Flexible Mother Board |
| FMEA | Failure Modes and Effects Analysis |
| FMGC | Flight Management and Guidance Computer |
| FMI | For More Information |
| FMUP | Flash Memory Update Program |
| FNBDT | Future Narrow-Band Digital Terminal |
| FOC | Fiber Optic Connector |
| FOC | Fiber-Optic Cable |
| FOLED | Flexible Organic Light Emitting Device |
| FOTA | Firmware Over The Air |
| FOTA | Flash Over The Air |
| FOUP | Front Opening Unified Pod |
| FP | Failure Probability |
| FP | Fast Processor |
| FP | Field Programmer |