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6 – i ndex
VC
Vicinity of the aerodrome
(followed by FG=fog,
FC=funnel cloud, PO=dust/
sandwhirls, BLDU=blowing
dust, BLSA=blowing sandor
BLSN=blowing snow; eg
VCFG=vicinity fog)
#VDF
VHFDirectionFindingStation
VER
Vertical
#VFR
Visual Flight Rules
#VHF
VeryHighFrequency (30 to 300
MHZ)
VIA
Byway of...
#VIP
Very Important Person
VIS
Visibility
VLF
Very LowFrequency (3 to 30
MHZ)
VLR
Very LongRange
#VMC
Visual Meteorological
Conditions
VNC
Visual NavigationCahrt
+VOLMET Meteorological Information for
Aircraft inFlight
#VOR
VHFOmni-directional Radio
Range (OMNI)
VRB
Variable
VTC
Visual Terminal Chart
VTOL
Vertical Take-off and Landing
VV
Vertical Visibility (MET-used in
METAR/SPECI andTAF code
forms)
W
W
West,West Longitude
W
White
WAC
WorldAeronautical Chart -
ICAO 1:1 000 000 (followed by
name/title)
WAFC WorldAreaForecast Centre
WATIR Weather andTerminal
InformationReciter
WB
Westbound
WDI
WindDirection Indicator
WDSPR
Widespread
WED
Wednesday
WEF
WithEffect From, Effective
From
WGS-84 WorldGeodeticSystem-1984
WI
Within
WID
Width
WIE
With ImmediateEffect, Effective
Immediately
+WILCO
Will Comply
WINTEM
Forecast upper wind and
temperature at specified points
(in aeronautical met code)
WIP
Work inProgress
WKN
Weaken,Weakening
WNW
West North-West
WO
Without
abbreviations and acronyms
CODE DEFINITION
CODE DEFINITION