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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

 
       
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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
 
   

 

 

 

 

UB

utility bus

 

UHF

ultra high frequency

 

ULB

underwater locator beacon

 

ULD

unit load device

 

UTC

coordinated universal time

 

 

 

 

V1

decision speed (committed to take-off)

 

V2

take-off safety speed

 

VAU

voltage averaging unit

 

VBV

variable bypass valve

 

VEP

video entertainment player

 

VFR

visual flight rules

 

VHF

very high frequency

 

VIGV

variable integrated guide vane

 

VIU

video interface unit

 

VLV

valve

 

VNAV

vertical navigation

 

VOR

VHF omni-directional radio range

 

VOR/MB

VOR marker beacon

 

VOS

velocity of sound

 

VREF

reference landing speed

 

VR

rotation speed (lift nose for take-off)

 

V/S

vertical speed

 

VSCF

variable speed constant frequency

 

VSI

vertical speed indicator

 

VSV

variable stator vane

 

VTO

volumetric top-off

 

 

 

 

WAI

wing anti-ice

 

WES

warning electronic system

 

WEU

warning electronic unit

 

WHCU

window heat control unit

 

WOW

weight-on-wheels

 

WPT

waypoint

 

WTAI

wing thermal anti-icing

 

WXR

weather radar

 

 

 

 

xdcr

transducer

 

xfr

tansfer

 

xmt

transmit

 

xmtr

transmitter

 

 

 

 

ZFW

zero-fuel weight

 

ZMU

zone management unit

 

ZNC

zone network controller

 

ZNTU

ZNU telephone distribution unit

 

ZPC

zone power converter