What direction does the left aileron move when the control wheel is turned to the left?

When the control wheel is turned to the left, the left aileron moves upward. This action is part of the aileron control system, which is designed to manage the roll of the aircraft around its longitudinal axis.

When the pilot turns the control wheel to the left, the left aileron, positioned on the left wingtip, is commanded to move up. Conversely, the right aileron moves down. This differential movement creates a difference in lift: the upward-moving aileron on the left wing decreases lift on that wing, while the downward-moving aileron on the right wing increases lift on the right wing. The net effect is a rolling motion to the left, allowing the aircraft to maneuver more effectively.

Understanding this mechanism is vital for pilots, as it directly influences the aircraft's handling characteristics and responsiveness during flight operations.