P

Pre-Simul Pre-Simulation
PREVAIL PReparation for EGNOS VAlidation In approach and Landing
PREVI Data Processing system to support the forecast and regulation of the air traffic
(FR)
PRF Percentage of Regulated Flights(Delay Parameter Abbreviations)
PRF Pulse Repetition Frequency * (or recurrence)
PRI Primary Surveillance Radar
PRI Pulse Repetition Interval *
PRIF PROC Interface Tool
PRL Pilot Request, Level (service)
PRM Precision Runway Monitor
PRN Pseudo Random Noise
PRN Code Pseudo Random Noise Code *
P-RNAV Precision Area Navigation
P-RNAV Precision RNAV
ProATN Prototype Aeronautical Telecommunications Network
PROC Procurement (tool)
PRODAT PROSAT Data Link Experiment
PROFI Multinational Project Financing
PROM Programmable Read Only Memory
PRORES Problem Resolution
PROSAT Program Satellite (European Space Agency)
PROSIT Problem Situation
PROVE Pre-operational Validation and Experimental Trials Platform
PROVE European ATC Pre-Operational Validation and Experimental trials Platform
PRP Pulse repetition Period
PRQ Pilot Request (service)
PRR Performance Review Report
PRR Pilot Request, Route (service)
PRS Picture Repetition Store
PRS Performance Review System
PRSG Performance Review Sub-Group
PRT Preferences Tool
PRT Processing Response Time (Eurocontrol)
PRU Performance Review Unit (New Convention) / Bureau d’examen des
performances
PS Power Supply (ACS)
PS Problem Solver (PATs)
PS Position Symbol
PSA Passive Slot Allocation
PSA Primary Subject Area
PSA Provisional Site Acceptance
PSAP Presentation Service Access Point