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Aviation Glossary

An A-Z of all aviation abbreviations.

 
           
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EASA Part 66

 
   

EASA Part 66 Syllabus

 
   

Royal Air Force

 
       
  Flying
       
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Glossary

 

 

   

This online glossary provides a comprehensive list of all major aviation abbreviations. If the abbreviation you are looking for is not in this list, please contact us and we will be glad to assist you.

   
   
      Aviation Glossary
 
   

 

 

 

 

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

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

 

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

 

 

 

 

QAR

quick access recorder

 

QNH

air pressure at sea level

 

 

 

 

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

 

RLY

relay

 

RMI

radio magnetic indicator

 

ROB

right outboard

 

RT

receiver-transmitter

 

RTO

rejected take-off

 

RTP

radio tuning panel

 

RVR

runway visual range