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

sea level engine

Aviation; Aircraft

A reciprocating aircraft engine having a rated takeoff power that is producible only at sea level.

ground proximity warning system (GPWS)

Aviation; Aircraft

A system designed to determine an aircraft’s clearance above the Earth and provides limited predictability about aircraft position relative to rising terrain.

Designed for visual navigation of slow- or medium-speed aircraft. Topographic information on these charts features the portrayal of relief, and a judicious selection of visual check points for VFR ...

100-hour inspection

Aviation; Aircraft

An inspection identical in scope to an annual inspection. Conducted every 100 hours of flight on aircraft on under 12,500 pounds that are used to carry passengers for hire.

groundspeed

Aviation; Aircraft

Speed over the ground, either closing speed to the station or waypoint, or speed over the ground in whatever direction the aircraft is going at the moment, depending upon the navigation system used.

selective availability (SA)

Aviation; Aircraft

A satellite technology permitting the Department of Defense (DOD) to create, in the interest of national security, a significant clock and ephemeris error in the satellites, resulting in a navigation ...