| Abbreviation | Definition |
|---|---|
| PFB | Payload Forward Bus |
| PFB | Position Feedback |
| PFB | Pressure Fed Booster |
| PFC | Performance Flight Certification |
| PFC | Postflight Checkout |
| PFC | Post-Flight Checkout |
| PFC | Power Factor Corrector |
| PFC | Preflight Certification |
| PFC | Preliminary Flight Certification |
| PFCF | Payload Flight Control Facility |
| PFCS | Primary Flight Control System |
| PFK | Payload Function Key |
| PFL | Primary Freon Loop |
| PFM | Platform |
| PFM | Pulse Frequency Modulation |
| PFMEA | Process Failure Modes and Effects Analyses |
| PFP | Program Financial Plan |
| PFP | Programmable Functional Panel |
| PFR | Portable Foot Restraint |
| PFRT | Preliminary Flight Rating Test |