Multiple choice general knowledge science & technology Which of the following enables an aeroplane to 'turn'? Elevators Ailerons Rudder Collective Reveal answer Fill a bubble to check yourself B Correct answer Explanation Ailerons are control surfaces on the trailing edge of wings that differentialy create lift and drag, causing the aircraft to roll and turn. Elevators control pitch, rudder controls yaw, and 'collective' is a helicopter term.