Control surfaces on the trailing edge of each wing that are used to make the aircraft roll. When flying straight and level, moving the control stick to the right will raise the aileron on the right wing and lower the aileron on the left wing. This will cause the aircraft to roll to the right. 

control surfaces located on the trailing edges of the wings. Use of ailerons causes an aircraft to bank in one direction or the other by causing one wing to produce more lift and the other wing to pro [..]

Hinged control surfaces on usually the wing which can change the wing`s lifting properties. Often located near the tips. Used to bank the aircraft. Th...

Movable control surfaces, usually mounted in the trailing-edge of a wing adjacent to the wingtips, to control an aircraft's rolling movements.