Glossary of Terms
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World area forecast system (WAFS). A worldwide system by which world area forecast centres provide aeronautical
Watt (W). The power which gives rise to the production of energy at the rate of 1 joule per second.
“way-point” means a specified geographical location used to define an area navigation
Weber (Wb). The magnetic flux which, linking a circuit of one turn, produces in it an electromotive force of 1 volt as it is
A runway is considered wet when the runway surface is covered with water, or equivalent, less than
Winching area. An area provided for the transfer by helicopter of personnel or stores to or from a ship.
Waypoint. 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