| Abbreviation | Definition |
|---|---|
| F/F | Fill/Full |
| F/O | Fuel to Oxidizer Ratio |
| F/R | Flared Rudder |
| FA | Failure Analysis |
| FA | Final Approach |
| FA | Final Assembly |
| FA | First Alien |
| FA | First Ascent |
| FA | Flight Acceptance |
| FA | Flight Aft |
| FA | Fully Automatic |
| FA/COSI | Final Assembly and CloseOut System Installation |
| FAA | False Alarm Avoidance |
| FAB | Fabrication |
| FAC | Facility |
| FACC | Ford Aerospace Communications Corporation |
| FACI | First Article Configuration Inspection |
| FACO | Fabrication and Acceptance Checkout |
| FACO | Factory Acceptance CheckOut |
| FACS | Facilities Control |