Final answer:
The aileron disconnect handle is used to disconnect the two halves of the aileron system in an aircraft.
Step-by-step explanation:
The question is related to the topic of flight controls specifically related to the aileron system. The aileron system is a part of an aircraft's control surfaces that allows the pilot to control the roll movement of the aircraft. The aileron disconnect handle is a mechanism that can be used to disconnect the two halves of the aileron system. Once disconnected, the ailerons will remain inoperable for the remainder of the flight, requiring maintenance action to reconnect them.