Control-surface definition

A movable airfoil, especially a rudder, aileron, or elevator, used to control or guide an aircraft, guided missile, or rocket.

noun

(aeronautics) A moveable surface attached to a machine such as an aircraft or submarine that can be used to control the machine's motion in roll, pitch or yaw.

Before flight its is vital to ensure all control surfaces are clear of obstruction and can move smoothly and freely.

noun

Other Word Forms

Singular:

control-surface

Plural:

control-surfaces