W
- W-wing
- wake turbulence
- walk around
- wall cloud
- warm-front thunderstorm
- warm advection
- warm front
- warm front thunderstorm
- warning light
- wash-in
- wash-out
- washout
- water recovery
- water separator
- water vapor
- water vapour
- water vapour moisture
- waterspout
- waypoint
- WDI
- weather balloon
- weather briefing
- weather chart
- weather data
- weather forecast
- weather map
- weather message
- weather minima
- weather observation
- weather radar
- weather report
- weather service
- weather warning
- weathercock stability
- weight
- welded joint
- wet lease
- wet runway
- wheel base
- wheels-up landing
- whip stall
- whiskey
- wide-body aircraft
- widebody aircraft
- wildlife hazard
- wildlife strike hazard
- winch man
- winch operator
- winching operation
- winching role equipment
- wind arrow
- wind cone
- wind direction indicator
- wind rose
- wind shaft
- wind shear
- wind shear warning
- wind sleeve
- wind sock
- wind speed
- wind tunnel
- wind tunnel model
- windmill
- windmill, to
- windmilling drag
- windmilling propeller
- windshear
- windsock
- wing-illuminating light
- wing (1)
- wing (2)
- wing bar
- wing bar light
- wing car
- wing fence
- wing formation
- wing radiator
- wing root
- wing scan light
- wing span
- wing spar
- wing spar doubler
- wing tip vortex
- winglet
- wingman
- wingspan
- wingtip
- wire barrier cable
- world aeronautical charts
- world area forecast system
- world geodetic system
- World Geodetic System – 1984
- world meteorological organization