How long do electric boost pumps operate after being activated?

Electric boost pumps are designed to enhance fuel flow, especially during critical phases of flight such as engine start or when switching fuel tanks. When these pumps are activated, they perform a crucial function by ensuring that the fuel is adequately supplied to the engine, which is vital for maintaining engine performance and preventing fuel starvation.

The boost pumps typically have a timed operation after activation to ensure they don't run indefinitely, which could potentially lead to overheating or unnecessary wear. In this specific scenario, the boost pumps are programmed to operate for approximately 10 seconds after being activated. This duration allows sufficient time for the fuel system to reach operational pressure without risking damage to the pumps.

This understanding of the operational time for electric boost pumps is essential for pilots and crew as it informs them of what to expect during critical procedures and helps ensure safe and efficient aircraft operations. Knowing this can also assist in troubleshooting situations where fuel pressure might not be adequate, as understanding the pump's operational time can guide further actions.