Glossary of Terms
Vs‘VSR’ means reference stall speed. |
WAFCWorld area forecast centre (WAFC). A meteorological centre designated to prepare and issue significant weather forecasts |
WAFSWorld area forecast system (WAFS). A worldwide system by which world area forecast centres provide aeronautical |
WattWatt (W). The power which gives rise to the production of energy at the rate of 1 joule per second. |
Way-point“way-point” means a specified geographical location used to define an area navigation |
WeberWeber (Wb). The magnetic flux which, linking a circuit of one turn, produces in it an electromotive force of 1 volt as it is |
Wet RunwayA runway is considered wet when the runway surface is covered with water, or equivalent, less than |
Winching areaWinching area. An area provided for the transfer by helicopter of personnel or stores to or from a ship. |
WyptWaypoint. A specified geographical location used to define an area navigation route or the flight path of an aircraft employing Fly-by waypoint. A waypoint which requires turn anticipation to allow tangential interception of the next segment of a
|
Z marker beaconZ marker beacon. A type of radio beacon, the emissions of which radiate in a vertical cone-shaped pattern. |