AviationOnline for EASA Part-66 & Groundschool

AviationOnline
for EASA Part-66 & Groundschool

Aviation Glossary

An A-Z of all aviation abbreviations

This online glossary provides a comprehensive list of all major aviation abbreviations.


P

PA

passenger/public address

PA/CI

passenger address / cabin interphone

PAPI

precision approach path indicator

PC

personal computer

PCU

passenger control unit

PCU

power control unit

PDCU

panel data concentrator unit

PDOS

powered door opening system

PDS

primary display system

PDF

primary display function

PDU

power drive unit

PF

PF

pilot flying

PFC

primary flight computer

PFCS

primary flight control system

PFD

primary flight display

PIIC

passenger in-flight information computer

PMA

permanent magnet alternator

PMAT

portable access maintenance terminal

PMG

permanent magnet generator

PNEU

pneumatic

PNF

pilot not flying

POS

position

PR

PRAM

pre-recorded announcement machine

press

pressure

PRSOV

pressure regulating and shut-off valve

pri

primary

prox

proximity

PSA

power supply assembly

PSEU

proximity sensor electronics unit

PSS

proximity sensor system

PSU

passenger service unit

ptr

printer

PTT

push-to-talk

Q

QAR

quick access recorder

QFE

atmospheric pressure at runway threshold

QNE

pressure altitude at the landing runway threshold (indicated altitude when altimeter set to 1013.25 mb)

QNH

atmospheric pressure at sea level

R

RA

radio amplifier

RAT

ram air turbine

RBI

relative bearing indicator

RCC

remote charge convertor

rcvr

receiver

RF

radio frequency

RFU

radio frequency unit

RIB

right inboard

RL

RLY

relay

RMI

radio magnetic indicator

ROB

right outboard

RT

receiver-transmitter

RTO

rejected take-off

RTP

radio tuning panel

RVR

runway visual range