Aviation

Aviation

Dealing with vehicles or machines used in flight or propulsion through the air.

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Aviation > Airport

vertigo

Aviation; Air traffic control

The sensation of movement of the body or its surroundings which is at variance with the physical state.

visibility (VIS)

Aviation; Air traffic control

The distance at which prominent unlighted objects may be identified by day and prominent lighted objects may be identified by night.

whiteout

Aviation; Air traffic control

An atmospheric optical phenomenon of snow-covered regions in which the observer appears to be engulfed in a uniformly white glow. Shadows, the horizon, and clouds are not ...

unable

Aviation; Air traffic control

An expression that indicates inability to comply with a specific instruction, request or clearance.

when ready

Aviation; Air traffic control

Canada: When used in conjunction with an altitude clearance, means that ATC has offered the pilot the option of commencing the altitude change whenever the pilot wishes. When the ...

verify your altitude

Aviation; Air traffic control

An expression used by ATC to validate the altitude readouts from the aircraft's encoding transponder.

uncontrolled aerodrome

Aviation; Air traffic control

An aerodrome at which a control tower has not been established. This designation also applies during the non-operational period when an established control tower is on reduced ...