What does the Auxiliary Artificial Control Unit do in case of control linkage disconnection?

The role of the Auxiliary Artificial Control Unit in the event of a control linkage disconnection is primarily to move the servo actuators to the neutral position. This function serves as a safety feature to prevent uncontrolled movement of the control surfaces, which could compromise the safety and handling of the aircraft. By positioning the servo actuators at neutral, the system ensures that the aircraft can maintain a stable configuration, thus allowing for safer operation until the issue can be resolved.

Moving the servo actuators to neutral effectively mitigates potential risks associated with a loss of control linkage, as it eliminates the chance of unintended or excessive deflections of the control surfaces which could lead to an unmanageable flight condition. This reaction is crucial in maintaining the integrity of aircraft control during emergencies.

Other options describe functions that are not relevant to the Auxiliary Artificial Control Unit's role in this specific scenario. For instance, automatically retracting landing gear is not a response to control linkage disconnection, and enhancements or increases in control surface movement could exacerbate the situation rather than stabilize it. Additionally, emergency braking systems involve different mechanisms unrelated to the functions of the Auxiliary Artificial Control Unit in the event of a linkage disconnect.