P

POP Point of Presence
POR INMARSAT Pacific Ocean Region
POR Pacific Ocean Region
PoR Point of Risk *
POS POSition
Positive RA RA applying minimum vertical rate (eg climb)
POSIX Portable Operating System Interface for Computer Environments
PPC Physical Protected Circuit
PPC Policy Planning Committee
PPD Aircrew Preferences Downlink (Service)
PPD Pilot References Downlink
PPD Plans and Policy Division
PPI Plan Position Indicator *
PPI Points Per Inch or points per inch
PPL Private Pilot License
PPM Pages per Minute
PPM Programme Portfolio Management (EATM)
PPM Pulse Position Modulation *
PPM/TF Task Force on the Possible Pricing Mechanisms
PPS Precision Positioning Service/System *
PPS, pps Pulses Per Second
PPSN Public Packet Switching Network
PQM Project Quality Manager
PQP Programme Quality Plan
PQP Project Quality Plan
PR Plot Reconstruction
PR Problem Report
PR Position Reporting
PR Primary Radar *
PR Pseudorange *
PR, PRI Primary (radar or unit)
PR/PSR Primary (Surveillance) Radar
PRA Primary Rate Access
PRA Plot Resolution Analysis *
PRAISE Preparation for Research and Development in Support of EATMS programme
PRAISE Preparation of Functional Concepts from EATMS Operational Requirements
PRC EEC business area – support to performance review
PRC Performance Review Commission (New Convention) ; Commission d’examen