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UB
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utility bus
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UHF
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ultra high frequency
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ULB
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underwater locator beacon
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ULD
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unit load device
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UTC
|
coordinated universal time
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V1
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decision speed (committed to take-off)
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V2
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take-off safety speed
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VAU
|
voltage averaging unit
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VBV
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variable bypass valve
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VEP
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video entertainment player
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VFR
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visual flight rules
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VHF
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very high frequency
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VIGV
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variable integrated guide vane
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VIU
|
video interface unit
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VLV
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valve
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VNAV
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vertical navigation
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VOR
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VHF omni-directional radio range
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VOR/MB
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VOR marker beacon
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VOS
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velocity of sound
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VREF
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reference landing speed
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VR
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rotation speed (lift nose for take-off)
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V/S
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vertical speed
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VSCF
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variable speed constant frequency
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VSI
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vertical speed indicator
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VSV
|
variable stator vane
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VTO
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volumetric top-off
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WAI
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wing anti-ice
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WES
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warning electronic system
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WEU
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warning electronic unit
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WHCU
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window heat control unit
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WOW
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weight-on-wheels
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WPT
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waypoint
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WTAI
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wing thermal anti-icing
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WXR
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weather radar
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xdcr
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transducer
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xfr
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tansfer
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xmt
|
transmit
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xmtr
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transmitter
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ZFW
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zero-fuel weight
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ZMU
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zone management unit
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ZNC
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zone network controller
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ZNTU
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ZNU telephone distribution unit
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ZPC
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zone power converter
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