|
Definition
|
Contraction
|
Usage
|
|
Warm
|
WRM
|
NWS
|
|
warm (air mass)
|
W
|
NWS
|
|
warm front
|
WRMFNT
|
NWS
|
|
warm front passage
|
WFP
|
NWS
|
|
Warning
|
WRNG
|
NWS
|
|
wasatch range
|
WSTCH
|
NWS
|
|
Washington Office
|
WO
|
GEN
|
|
watch check list completed
|
WCLC
|
GEN
|
|
Water
|
WTR
|
NWS
|
|
Waterspout
|
WTSPT
|
NWS
|
|
Wave
|
WV
|
NWS
|
|
Waypoint
|
WP
|
GEN
|
|
Waypoint
|
WPT
|
ICAO
|
|
waypoint report
|
WPRT
|
ATC
|
|
We agree or it is correct
|
OK
|
ICAO
|
|
weak
|
WK
|
GEN
|
|
weak signals
|
WS
|
ATC
|
|
weaken
|
WKN
|
GEN
|
|
weather
|
WEA
|
NWS
|
|
weather
|
WX
|
ICAO
|
|
weather at altitude (PIREP only)
|
WX
|
ATC
|
|
Weather Bureau Regional Headquarters
|
WBRH
|
GEN
|
|
Weather Forecast Office |
WFO |
GEN |
|
Weather Message Switching Center
|
WMSC
|
GEN
|
|
weather radar analysis and
development unit
|
RADU
|
GEN
|
|
weather reconnaissance flight pilot
report
|
WXCON
|
NWS
|
|
weather report will not be filed for
transmission
|
FINO
|
NWS
|
|
Weather Service Contract
Meteorological Observatory
|
WSCMO
|
GEN
|
|
Weather Service Office
|
WSO
|
GEN
|
|
weather service operations manual
|
WSOM
|
NWS
|
|
weather system processor
(replacement for LLWAS)
|
WSP
|
GEN
|
|
Wednesday |
WED |
ICAO |
|
weekday
|
WKDAY
|
GEN
|
|
weekend
|
WKEND
|
GEN
|
|
weight
|
WT
|
GEN
|
|
well to right
|
WTR
|
ATC
|
|
well to right of course
|
WRC
|
ATC
|
|
west or western longitude
|
W
|
ICAO
|
|
westbound
|
WB
|
ICAO
|
|
westbound
|
WBND
|
ATC
|
|
western plateau
|
WPLTO
|
NWS
|
|
Western Union Telegraph Company
|
WU
|
GEN
|
|
WesternPacific Region, FAA
|
AWP
|
GEN
|
|
westnorth west
|
WNW
|
ICAO
|
|
westnorthwestern (weather reports
only)
|
WNWRN
|
NWS
|
|
westnorthwestward (weather reports
only)
|
WNWWD
|
NWS
|
|
westsouth west
|
WSW
|
ICAO
|
|
westsouthwestern (weather reports
only)
|
WSWRN
|
NWS
|
|
westsouthwestward (weather reports
only)
|
WSWWD
|
NWS
|
|
wet runway
|
WR
|
NWS
|
|
wet snow on runway
|
WSR
|
NWS
|
|
What is my distance to your station
or Tour distance to my station is …
|
QGE
|
ICAO
|
|
whereabouts
|
WBTS
|
GEN
|
|
while in control area
|
WICA
|
ATC
|
|
while in control zone
|
WICZ
|
ATC
|
|
white
|
W
|
ICAO
|
|
Wide Area Augmentation System
|
WAAS
|
ATC
|
|
widely
|
WDLY
|
NWS
|
|
widespread
|
WDSPR
|
GEN
|
|
widespread
|
WDSPRD
|
NWS
|
|
widespread dust
|
DU
|
METAR
|
|
width
|
WID
|
ICAO
|
|
will
|
WL
|
GEN
|
|
will accept, if offered, the
position
|
WAIOP
|
GEN
|
|
will advise
|
WLAV
|
GEN
|
|
will be issued
|
WIBIS
|
GEN
|
|
will be reported by NOTAM
|
WBRBN
|
GEN
|
|
will comply
|
WILCO
|
GEN
|
|
will you accept, if offered, the
position of
|
WYAIO
|
GEN
|
|
Will you give me the position of my
station according to the bearings
taken by the D/F station which you
control or the position of your
station according to the bearings
taken by the D/F stations that I
control was …latitude…longitude (or
other indication of position), class
....at....hours
|
QTF
|
ICAO
|
|
Will you indicate the TRUE track to
reach you or the TRUE track to reach
me is …degrees at …hours
|
QUJ
|
ICAO
|
|
Will you relay to …free of charge or
I will relay to…free of charge
|
QSP
|
ICAO
|
|
wind
|
WND
|
NWS
|
|
wind at altitude (PIREP only)
|
WV
|
ATC
|
|
wind direction indicator
|
WDI
|
ICAO
|
|
wind shear
|
WS
|
ICAO
|
|
wind shift
|
WSHFT
|
NWS
|
|
wing bar lights
|
WBAR
|
ICAO
|
|
winter
|
WINT
|
NWS
|
|
with effect from, or effective from
|
WEF
|
ICAO
|
|
with immediate effect or effective
immediately
|
WIE
|
ICAO
|
|
within
|
WI
|
GEN
|
|
without
|
WO
|
GEN
|
|
words per minute
|
WPM
|
GEN
|
|
work in progress
|
WIP
|
GEN
|
|
working group
|
WG
|
GEN
|
|
world aeronautical chart
|
WAC
|
GEN
|
|
World aeronautical chart ICAO 1:1
000 000(followed by name/title)
|
WAC
|
ICAO
|
|
world area forecast center
|
WAFC
|
ICAO
|
|
World Data Centers in Western Europe
|
WDC1
|
NWS
|
|
World Data Centers throughout rest
of world
|
WDC2
|
NWS
|
|
World Geodetic System
|
WGS
|
ATC
|
|
World geodetic system 1984
|
WGS84
|
ICAO
|
|
World Meteorological Organization
|
WMO
|
GEN
|
|
World wide web
|
WWW
|
ICAO
|
|
worse
|
WRS
|
GEN
|
