Aviator_Raza on Instagram: "Aileron Functions An aileron is a primary flight control surface located on the outer trailing edge of each wing. Its main function is to control the aircraft’s roll (banking left or right). When the pilot moves the control wheel or stick, the ailerons deflect in opposite directions: one aileron moves up, reducing lift on that wing, while the other moves down, increasing lift on the opposite wing. This difference in lift causes the aircraft to roll in the desired dire