| Abbreviation | Definition |
|---|---|
| FOC | Free Of Charge |
| FOC | Freight Out Charge |
| FOCA | Federal Office for Civil Aviation |
| FOCAS | Forward Crash Avoidance Systems |
| FOD | Foreign Object Debris |
| FOD | Freight On Delivery |
| FOG | Feet On the Ground |
| FOIS | Freight Operations Information System |
| FOO | Flight Operations Officer |
| FOQA | Flight Operations Quality Assurance |
| FOR | Free On Rail |
| FOR | Frieght On Receipt |
| FORD | Family Owned Rental Device |
| FOS | Ferry Operators Service |
| FOSC | Federal On-Scene Coordinator |
| FOT | Free On Truck |
| FOT | Freight On Truck |
| FOV | Forward Observer Vehicle |
| FOV | Fully Occupied Vehicle |
| FP | Fast Pass |