| Abbreviation | Definition |
|---|---|
| FDIO | Flight Data Input Output |
| FDOT | Florida Department Of Transportation |
| FDPA | Flight Dynamics and Planning Analysis |
| FDR | Forest Dirt Road |
| FDRC | Flow-Duration, Rating Curve |
| FDT | First Destination Transportation |
| FE | Ford Engine |
| FEEST | Freight Equipment Environmental Sampling Test Program |
| FEFC | Far Eastern Freight Conference |
| FERCSARA | Federal Roads Committee on Surveillance and Action Against Road Abuse |
| FERMA | Federal Road Maintenance Agency |
| FEST | Federal Education Secret Transportation |
| FETA | Far East Transportation Association |
| FEU | Forty-Foot Container Equivalent Unit |
| FEV | Flaunt Electric Vehicles |
| FEV | Full Electric Vehicle |
| FEV | Fully Electric Vehicle |
| FF | Freight Flows |
| FF | Freight Forwarder |
| FF | Fuel Flow |