| Abbreviation | Definition |
|---|---|
| PATS | Program for Analysis of Time Series |
| PAU | Probe Aerodynamic Upper |
| PAV | Personal Air Vehicle |
| PAV | Pneumatic Actuated Valve |
| PAV | Pressure Actuated Valve |
| PAYCOM | PAYload COMand |
| PAYCOM | Payload Command |
| PAYCOM | Payload Command Controller |
| PAYCOMCONT | PAYload COMmand CONTroller |
| PAYDAT | Payload Data |
| PB | Phonetically Balanced |
| PB | PlayBack |
| PB | Pre-Burner |
| PBAN | PolyButadiene AcryloNitrile |
| PBAN | Polybutadiene Acrylonitrile (Propellant) |
| P-BAND | 225 to 390 MCS |
| P-BAND | 225 to 390 MegaHertz |
| PBD | Payload Bay Door |
| PBDF | Payload Bay Door Forward |
| PBDF | Payload Bay Door FWD |