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Flight Controls

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Discussion

Aircraft flight controls are the means by which a pilot controls the direction and attitude of an aircraft in flight.

Flight control systems are subdivided into what are referred to as primary and secondary flight controls. Primary flight controls are required to safely control and aircraft during flight and consist of ailerons, elevator (or, in some installations, stabilator) and rudder. Secondary flight controls are intended to improve the aircraft performance characteristics or to relieve excessive control loading and consist of high lift devices such as slats and flaps as well as flight spoilers and trim systems.

Movement of any of the primary flight controls causes the aircraft to rotate around the axis of rotation associated with the control surface.

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