How should you respond to a total electrical failure while airborne?

How should you respond to a total electrical failure while airborne?

• A. Continue flight with no instruments.
• B. Land immediately without any instruments.
• C. Turn off all electrical systems and dive.
• D. Maintain control, declare an emergency if needed, switch to essential power, use standby instruments if available, and plan for an immediate landing at a suitable site.

Answer: (D)

When electrical power is completely lost, the priority is to keep the airplane under control while preserving enough power to fly and safely land. The best response is to stabilize the aircraft, declare an emergency if needed to get priority and assistance, switch to the essential electrical bus to keep the critical flight instruments functioning, use any standby instruments available to maintain attitude and basic airspeed/altitude information, and plan for an immediate landing at a suitable site. This approach keeps you from becoming disoriented or uncontrollable. Relying on all instruments is risky when power is gone, so you use the standby instruments as a backup and conserve the essential systems to preserve those critical references. Hastily trying to land without instruments or abruptly cutting power and diving would remove the very information and controls needed to execute a controlled approach, making a safe outcome unlikely.

When electrical power is completely lost, the priority is to keep the airplane under control while preserving enough power to fly and safely land. The best response is to stabilize the aircraft, declare an emergency if needed to get priority and assistance, switch to the essential electrical bus to keep the critical flight instruments functioning, use any standby instruments available to maintain attitude and basic airspeed/altitude information, and plan for an immediate landing at a suitable site.

This approach keeps you from becoming disoriented or uncontrollable. Relying on all instruments is risky when power is gone, so you use the standby instruments as a backup and conserve the essential systems to preserve those critical references. Hastily trying to land without instruments or abruptly cutting power and diving would remove the very information and controls needed to execute a controlled approach, making a safe outcome unlikely.