Does the EXT PWR ON caution indicate that the helicopter is receiving 28VDC power from an external source?

Does the EXT PWR ON caution indicate that the helicopter is receiving 28VDC power from an external source?

• A. True
• B. False

Answer: (B)

The EXT PWR ON caution does not indicate that the helicopter is receiving 28VDC power from an external source. Instead, this caution light signifies that the external power system is ready and operational, but it does not confirm whether the helicopter is actively receiving that power. The presence of the caution should prompt the crew to verify the actual status of the external power connection and ensure that it is being correctly utilized, including checking indications on the cockpit multi-function display or other relevant instruments. Understanding this distinction is important for effective aircraft operation and safety, allowing the pilot to confirm their power sources and ensure that all systems are functioning correctly during pre-flight checks or when managing electrical power sources in-flight.

The EXT PWR ON caution does not indicate that the helicopter is receiving 28VDC power from an external source. Instead, this caution light signifies that the external power system is ready and operational, but it does not confirm whether the helicopter is actively receiving that power. The presence of the caution should prompt the crew to verify the actual status of the external power connection and ensure that it is being correctly utilized, including checking indications on the cockpit multi-function display or other relevant instruments.

Understanding this distinction is important for effective aircraft operation and safety, allowing the pilot to confirm their power sources and ensure that all systems are functioning correctly during pre-flight checks or when managing electrical power sources in-flight.