| Abbreviation | Definition |
|---|---|
| PADIS | Passenger and Airport Data Interchange Standards |
| PADS | Planned Arrival and Departure System |
| PAF | Portland Air Freight |
| PAIF | Power And Airline Intervention Fund |
| PAIFA | Pan Am International Flight Academy |
| PAL | Philippine Airlines |
| PAL | Plane Always Late |
| PAM | Peripheral Adapter Module |
| PANS | Procedures for Air Navigation Services |
| PANYNJ | Port Authority of New York and New Jersey |
| PAPI | Precision Approach Path Indicator |
| PAR | Police Accident Report |
| PAR | Precision Approach Radar |
| PAR | Preferential Arrival Route |
| PARIS | Passenger Routing and Information System |
| PARS | Programmed Airline Reservation System |
| PART | Pressure Alignment Rotation And Tread |
| PARTA | Portage Area Regional Transportation Authority |
| PAS | Passenger Accounting System |
| PAS | Pedal Assist System |