What is a significant concern if the fuel transfer pump fails?

What is a significant concern if the fuel transfer pump fails?

• A. Lower engine performance
• B. Unusable fuel remaining in the No.2 cell
• C. Pressure drop across the fuel system
• D. Immediate engine shutdown

Answer: (B)

If the fuel transfer pump fails, a significant concern is the unusable fuel that may remain in the No.2 cell. The role of the fuel transfer pump is to move fuel between different cells in the fuel tank and ensure that the engine receives a consistent supply of fuel. If this pump malfunctions, it can prevent the fuel in the No.2 cell from being accessible to the engine, leading to a situation where there is fuel available that cannot be used. This can create operational issues as it restricts the total amount of usable fuel, which might affect flight duration and flexibility, especially if the aircraft relies on that specific fuel cell to sustain operations or maintain balance. In aviation, ensuring that all fuel is usable and accessible is crucial for safety and efficiency.

If the fuel transfer pump fails, a significant concern is the unusable fuel that may remain in the No.2 cell. The role of the fuel transfer pump is to move fuel between different cells in the fuel tank and ensure that the engine receives a consistent supply of fuel. If this pump malfunctions, it can prevent the fuel in the No.2 cell from being accessible to the engine, leading to a situation where there is fuel available that cannot be used.

This can create operational issues as it restricts the total amount of usable fuel, which might affect flight duration and flexibility, especially if the aircraft relies on that specific fuel cell to sustain operations or maintain balance. In aviation, ensuring that all fuel is usable and accessible is crucial for safety and efficiency.