What is the proper response to a FUEL BAL annunciator alert?

• A. Increase fuel in the lighter tank
• B. Decrease fuel in the heavier tank
• C. Check fuel quantities and balance
• D. Continue flying as normal

Answer: (C)

The proper response to a FUEL BAL annunciator alert is to check fuel quantities and balance. This alert indicates that there is an imbalance in fuel distribution between the aircraft’s fuel tanks. The first step in addressing this alert is to assess the current fuel levels in each tank to determine the degree of imbalance and if corrective actions are necessary. By checking the fuel quantities, the pilot can make informed decisions about how to proceed, such as transferring fuel between tanks to achieve balance or determining if an abnormal condition exists that may require further action.

The importance of verifying fuel levels lies in the potential implications of an imbalanced fuel load, which can affect the aircraft's center of gravity, performance, and safety. Taking this step ensures that any corrective measures taken are based on accurate information, promoting a safer flight environment.