| Abbreviation | Definition |
|---|---|
| FDD | Flight Deck Door |
| FDEVSS | Flight Deck Entry Video Surveillance System |
| FDH | Flight Deck Handset |
| FDS | Fuel Density Sensor |
| FEC | Forward Error Correction |
| FEGP | Fixed Electrical Ground Power |
| FFAC | Foundation For Aviation Competence |
| FFAR | Forward Firing Aircraft Rocket |
| FFHG | Flughafen Frankfurt-Hahn GmbH (German: Frankfurt-Hahn Airport; Germany) |
| FFLT | Familiarization Flight |
| FFP | Frequent Flyer Programme |
| FGC | Flight Guidance Computer |
| FHS | Fuel Height Sensor |
| FICON | Field Conditions |
| FIFT | Forest Industries Flying Tankers |
| FIM | Flight Information Manual |
| FIM | Flight Interruption Manifest |
| FIR | Flight Information Region |
| FIRCS | Flight Instructor Refresher Courses |
| FIS | Flight Information Services |