to p - trac
- to penetrate conditions
- to perform duty
- to perform inspection
- to perform overhaul
- to perform repair
- to possess stability
- to prevent fire
- to prevent overrunning
- to produce acceleration
- to produce force
- to produce lift
- to promote safety
- to provide access
- to provide briefing
- to provide operation
- to provide power
- to provide separation
- to provide service
- to provide thrust
- to pull out
- to pull up
- to pump out
- to qualify icing
- to qualify turbulence
- to read back
- to record observations
- to recover to
- to reduce drag
- to reduce noise
- to reduce thrust
- to refuel en-route
- to regain thrust
- to release air
- to release brakes
- to relieve pressure
- to relinquish control
- to remain level
- to render airworthy
- to request clearance
- to request instructions
