A movable airfoil that can be controlled by the pilot to change the aircraft's flight attitude.
Any movable part of a plane such as an elevator, aileron, or rudder
a device that provides reactive force when in motion relative to the surrounding air; can lift or control a plane in flight
All movable surfaces, such as the rudder.
a collective term for the rudder, elevator and ailerons of an airplane. More details here.
Any external moveable part of an aircraft designed to help it change orientation or speed, not including the propeller. The most commonly used control surfaces are ailerons, elevator, rudder, flaps, and spoilers. They are each defined separately.
Any moveable surface on an aircraft which controls its motion about one of the three principal axes. Ailerons, elevators, and the rudder are examples of control surfaces. In addition, other type of roll control surfaces are roll spoilers that dump lift on one wing or another (as opposed to ailerons), spoilerons (combined spoiler and aileron), and flaperon (combined flap and aileron). Another combined controls is the ruddalator (combined elevator and rudder as on the "V" tailed Beech Model 35). Other subsidary controls are pitch, roll, and rudder trim tabs and the stabalator (the whole horizontal stabilizer moves to trim the pitch axis).
a movable surface such as elevator, rudder and aileron.
A moveable surface that, when moved, changes an aircraft's angle or direction of flight.
Any movable surface, usually the rudders, designed to deflect air and cause the resulting force to change the direction of the hovercraft.