P-Code
GPS precision code
P-RNAV
Precision Area Navigation
PA
Public Adrress System
PAAST
Pan-American Aviation Safety Team
PAConf
Passenger Agency Conference
PANS-OPS
Procedures for Air Navigation Services – Aircraft Operations
PAPI
Precision Approach Path Indicator
PAPI
Precision Approach Path Indicators
PAR
Precision Approach Radar
PAR
Precision Approach Radar
PATA
Pacific Asia Travel Association
PD
Profile Descent
PDAS
Public Domain Aeronautical Software
PDG
Procedure Design Gradient
PDOP
Position Dilution Of Precision
PET
Point of Equal Time
PF
Pilot Flying
PFAF
Precision Final Approach Fix
PFD
Primary Flight Display or Primary Flight Director
PMG
Permanent Magnet Generator
PND
Primary Navigation Display
PNF
Pilot Not Flying
PNR
Passive Noise Reduction
PNR
Passenger Name Record
POS
Position[disambiguation needed]
PRM
Persons with Reduced Mobility
PSR
Primary Surveillance Radar
PSR
Point of Safe Return
PSU
Personal Service Unit
PTT
Push To Talk