Flaperon

A flaperon (portmanteau of flap and aileron) on an aircraft wing is a type of control surface that combines the functions of both flaps and ailerons. Some kitplanes have flaperons for simplicity of manufacture, while large commercial aircraft such as the Boeing 747, 767, 777, and 787 may have a flaperon between the flaps and aileron. The 787 has a SpoileFlaperon that combines the action of spoilers, flaps and ailerons into one control surface.

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