The invention relates to an electric light control method and system for an aircraft. A flight control system (1) includes at least one flight domain protection module (M1 to MN) intended at least for manual piloting and an auxiliary element (13) configured to automatically transmit to the protection module (M1 to MN), upon a detection of automatic piloting of the aircraft using an automatic piloting device (6), a predetermined auxiliary position, representing a control stick (5) position equivalent, the protection module (M1 to MN) using the auxiliary position as a control stick (5) position to implement a flight domain protection during the automatic piloting.