Can the autopilot be re-engaged after pulling the roll disconnect?

The correct answer indicates that once the roll disconnect is pulled, the autopilot cannot be re-engaged. This reflects the design and safety protocols of the autopilot system, which is intended to maintain control under specific operational parameters.

When the roll disconnect is activated, it typically indicates that there is a malfunction or the need for manual control, rendering the autopilot system inoperable. The inability to re-engage the autopilot ensures that pilots are fully aware of the aircraft's status and are actively managing the controls, thereby increasing safety during critical phases of flight or when anomalies occur.

In operational scenarios or emergencies, this limitation necessitates manual flying skills and judgment by the crew, reinforcing the importance of pilot proficiency. Other choices suggest possibilities for re-engagement under varying conditions, which do not align with the system's functioning as intended in such situations. This ensures clarity and responsibility when handling the aircraft manually after a roll disconnect has occurred.