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

duplex

Aviation; Aircraft

Transmitting on one frequency and receiving on a separate frequency.

precision approach

Aviation; Aircraft

A standard instrument approach procedure in which both vertical and horizontal guidance is provided.

canard

Aviation; Aircraft

A horizontal surface mounted ahead of the main wing to provide longitudinal stability and control. It may be a fixed, movable, or variable geometry surface, with or without control surfaces.

A low-powered transmitter that directs its signal upward in a small, fan-shaped pattern. Used along the flight path when approaching an airport for landing, marker beacons indicate both aurally and ...

trim

Aviation; Aircraft

To adjust the aerodynamic forces on the control surfaces so that the aircraft maintains the set attitude without any control input.

dutch roll

Aviation; Aircraft

A combination of rolling and yawing oscillations that normally occurs when the dihedral effects of an aircraft are more powerful than the directional stability. Usually dynamically stable but ...

precision approach path indicator (PAPI)

Aviation; Aircraft

A system of lights similar to the VASI, but consisting of one row of lights in two- or four-light systems. A pilot on the correct glideslope will see two white lights and two red lights. See VASI.