Define a standard 'failsafe' action and provide examples.

Define a standard 'failsafe' action and provide examples.

• A. A manual override activated by the pilot during loss of signal.
• B. A user-initiated emergency shutdown on the ground.
• C. A pre-programmed response when the control link is lost or abnormal; examples include return-to-home, hover in place, or controlled land.
• D. A post-flight diagnostic routine executed after landing.

Answer: (C)

A failsafe action is an automatic, pre-programmed response that the drone executes when the control link is lost or a flight abnormality is detected. It’s designed to take a safe, predictable action without human input, so the aircraft doesn’t wander or crash. This is why the best choice describes a pre-programmed reaction like return-to-home, hover in place, or a controlled landing. These actions are built into the flight controller and trigger automatically to protect the vehicle and people on the ground. Manual override by the pilot during loss of signal isn’t the standard failsafe because it requires user input and timing, not a built-in automatic response. An emergency shutdown on the ground isn’t a flight failsafe action, and a post-flight diagnostic routine happens after landing, not during flight.

A failsafe action is an automatic, pre-programmed response that the drone executes when the control link is lost or a flight abnormality is detected. It’s designed to take a safe, predictable action without human input, so the aircraft doesn’t wander or crash.

This is why the best choice describes a pre-programmed reaction like return-to-home, hover in place, or a controlled landing. These actions are built into the flight controller and trigger automatically to protect the vehicle and people on the ground.

Manual override by the pilot during loss of signal isn’t the standard failsafe because it requires user input and timing, not a built-in automatic response. An emergency shutdown on the ground isn’t a flight failsafe action, and a post-flight diagnostic routine happens after landing, not during flight.