If the auto balance system shuts off without reducing fuel imbalance to 30 pounds or less, the auto balance system may be reset to provide an additional ________ to balance the fuel load.

The auto balance system in the T-6B is designed to regulate fuel distribution between the wings to ensure optimal aircraft performance and stability. When this system shuts off without achieving a fuel imbalance of 30 pounds or less, it indicates that the system was unable to correct the imbalance within its operational constraints.

Resetting the auto balance system for a duration allows it another opportunity to balance the fuel load effectively. In this scenario, providing an additional 2 minutes for the system to attempt to balance the fuel load is optimal. This extended time allows for a more thorough re-evaluation and adjustment of the fuel distribution, giving the system enough time to correct discrepancies that may have hindered its previous operation.

This option reflects the operational standards of the aircraft, aligning with protocols for fuel management and safety. The duration of 30 seconds or 1 minute may not be sufficient for the system to recalibrate and correct significant imbalances, as the complexities of fuel flow dynamics can require additional time to achieve the desired balance. Thus, the choice of 2 minutes serves as an effective interval for the system to function properly and maintain aircraft stability.