navigation acronyms, abbreviations and definitions - International ...

PENS Pan European Network Services (ATM IP based network service)
PER packet error rate (comms)
PETAL Preliminary EUROCONTROL Test of Air/Ground Data Link (prog)
PETAL II completed in 2002.
PEU portable external unit (part of PPU)
PF primary factor (cause of Loran signal delay - also SF and ASF)
PFA Popular Flying Association
Pfa probability of false alarm (eg in RAIM)
PFC primary flight computer
PFD personal floatation device
PFD position-fixing device
PFD power flux density
PFD primary flight display/director
PFD/ND primary flight display/navigation display
PFI Private Finance Initiative (UK type of PPP)
PFJS Portable Field Jamming System (GPS - US)
PFL practice forced landing
PFM prototype flight model
PGA pin grid array (IC package with one face covered with pins in a grid)
PGCAS Predictive Ground Collision Avoidance System
PHARE Prog for Harmonised Air Traf’c Manage’t & Res’ch in EUROCONTROL
PHM passive hydrogen maser
PHMI probability of hazardously misleading information
PHYD pay-how-you-drive
PI practice interception
PI pre-planned product improvement
PI presentation interface
PIANC (AIPCN) Permanent International Ass'n of Navigation Congresses
Also known as International Navigation Association. Brussels based.
PIARC World Road Association
PIC pilot in command
picocell As a femtocell, but range increased to ~200 m
PIDS prime item development specification (EGNOS)
PIGA pendulous integrating gyro assembly
PIM Passenger Information Monitor
PINS Pipeline Inspection Notification System (ATC)
PIR portable ILS receiver
PIRT Purposeful Interference Response Team (GPS - US)
PIS Passenger Information System (rail)
PIT passive integrated transponder (ident tag, often under animal’s skin)
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March 2012