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WSL
WSL 1 Weapon-system level (programme lead
responsibility).
2 Wide-spectrum language.
3 Workstation lift [cargo handling].
WSMC Western Space & Missile Center (Vandenberg,
USAF).
WSMIS Weapon-system management information
system.
WSMO Weather Service Meteorological Observatory.
WSMR White Sands Missile Range (USA, not same as
WSTF).
WSMS Windshear monitor system.
WSO 1 Weapon-system operator (or weapon-systems
officer).
2 Weather Service Office.
WSOp WSO (1) in RAF style.
WSP 1 Weapon-system partnership.
2 Wx systems processor.
WSPO Weapon-system project (or program[me]) office.
WSOA Wide-swath ocean altimeter.
WSPS 1 Weapon-system physics section.
2 Wire-strike protection system.
WSR 1 Weather Service Radar.
2 Wet snow on runway.
3 Warning and surveillance receiver.
WSRN Western Satellite Research Network.
WSS 1 Weapon-specific simulator.
2 Weapon-system status.
WSSA Weapon-system support activity.
WSSD Weapon-system support development.
WSSF Weapon-system support facility.
WSSG Warning-system signal generator.
WSSN Worldwide seismic sensor network.
WSSP Weapon-system support program(me).
WSSR Weapon-system support rig (RAF).
WSSS Weapon storage and security system.
WST 1 Weapon-system trainer.
2 Weather Service advisory, convective Sigmet.
W/STEP With step-change in altitude.
WSTF White Sands Test Facility (NASA, Las Cruces,
NM).
WSW Windshear warning; / RG adds recovery
guidance, / RGS adds system.
WT 1 Waste-ticket (US manufacturing).
2 Water twister.
3 Wind tunnel.
4 Water tank.
5 Tornado watch.
6 Wake turbulence.
W/T, w.t. Wireless telegraphy.
Wt, wt Weight.
WTA Water, turbine aircraft; demineralized water for
injection with or without methanol.
wTa Warm tropical Atlantic.
WTC 1 Windshield temperature controller.
2 Wake turbulence category.
WTD Wehrtechnischen dienstelle, military test (G).
WTE Wingtip extension.
wTg Warm tropical Gulf [of Mexico].
WTI Weapons and tactics instructor.
WYSIWYG
WTMD Walk-through metal detector.
WTO 1 World Trade Organization.
2 Warsaw Treaty Organization.
W TO Actual aircraft takeoff weight.
wTp Warm tropical Pacific.
WTR Western Test Range.
WTS 1 Two-seat trike (microlight class).
2 War Training Service (US, succeeded CPT Program
1942–44).
WTSPT Waterspout.
WTSS Wideband tactical surveillance system.
WTT Weapons tactics, or tactical, trainer.
WTTC World Travel and Tourism Council (Int.).
WTU Wing-tip (electronic] unit.
W u Useful load.
WUF Walk-up fare.
WUI Wildland/urban interface.
Würzburg Standard German aerial-target tracking
radar, 1940–45.
WV 1 Warfighter visualization.
2 Wave(s).
W/V, W v Wind velocity.
WVA Wake-vortex avoidance [S adds system].
WVG Wingtip vortex generator.
WVR Within visual range.
WW 1 Present weather (ICAO).
2 White world.
3 Windshear warning; / RGS adds recovery guidance
system.
W/W War weary (US, WW2, refers to hardware).
WWABNCP Worldwide airborne national command
post(s) (US).
WWACPS Worldwide airborne command-post system
(US).
WWMCCS Worldwide military command and control
system (US).
WWO Wing Weapon Officer (RAF).
WWP World Weather Programme.
WWS Wild Weasel Squadron (USAF).
WWSSN Worldwide Standardized Seismograph
Network.
WW2 World War 2, (for UK, 1939–45).
WW3 World War 3, so far avoided.
W W+u Weight of wing plus undercarriage (landing
gear).
WWV NBS exact-time service (US).
WWW 1 World Weather Watch (WMO).
2 World Wide Web.
W(WW) Past weather (ICAO).
WX 1 Weather.
2 Airborne weather radar.
3 Indefinite obscuration.
WX/C Weather-radar controller.
WXI Weather-radar indicator.
WX NIL No significant weather.
WXP Weather-radar panel.
WXR Weather radar.
WXS Weather-radar system.
WYPT Waypoint altitude.
WYSIWYG What you see is what you get, usually
pronounced wizzywig.
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