Learn To Fly Ailerons are essential flight control surfaces mounted on the trailing edges of an airplane’s wings. Their primary function is to control the aircraft’s movement along the roll axis, which allows the aircraft to bank left or right. Whether flying a Cessna Skyhawk here at Epic or a Boeing 737 for the airlines, understanding how they work is fundamental to aircraft operation and maintenance. Quick Navigation to Ailerons Basic Functions Types and Designs Training Issues General ...