After a failed start attempt, how long should you wait before attempting another start?

To ensure the safety of both the aircraft and personnel, after a failed start attempt, it is recommended to wait 2 minutes before attempting another start. This waiting period allows for the engine components to cool down and prevents potential damage due to excessive temperatures. Additionally, it provides time for any fuel that may have accumulated in the engine to dissipate, reducing the risk of a subsequent fire during the next start attempt.

This procedure is critical because the T-6A's engine and systems can be sensitive to heat and fuel quantity; a waiting period aids in maintaining the integrity of the aircraft systems. The other options suggesting shorter waiting intervals do not accommodate the necessary cooling and safety considerations adequately, while longer intervals may unnecessarily delay operations without clear benefit. Therefore, the 2-minute wait is specifically designed to balance safety with operational efficiency.