Aircraft

Aircraft

Any machine or device that is capable of atmospheric flight either by buoyancy or by the movement of air over its surfaces.

Industry: Aviation

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Aircraft

relative humidity

Aviation; Aircraft

The ratio of the existing amount of water vapor in the air at a given temperature to the maximum amount that could exist at that temperature; usually expressed in percent.

control pressures

Aviation; Aircraft

The amount of physical exertion on the control column necessary to achieve the desired attitude.

nacelle

Aviation; Aircraft

A streamlined enclosure on an aircraft in which an engine is mounted. On multiengine propeller-driven airplanes, the nacelle is normally mounted on the leading edge of the wing.

visual approach slope indicator (VASI)

Aviation; Aircraft

A visual aid of lights arranged to provide descent guidance information during the approach to the runway. A pilot on the correct glideslope will see red lights over white lights.

Basic maneuvers, flown by reference to the instruments rather than outside visual cues, for the purpose of practicing basic attitude flying. The patterns simulate maneuvers encountered on instrument ...

relative wind

Aviation; Aircraft

Direction of the airflow produced by an object moving through the air. The relative wind for an airplane in flight flows in a direction parallel with and opposite to the direction of flight; ...