Under what condition is the Falcon 9's FTS primarily designed to activate automatically during an operational flight?

Answer

If the Guidance, Navigation, and Control (GNC) system registers an unacceptable deviation from the flight path

For operational Falcon 9 missions, the automated system terminates flight when the GNC system detects a significant, unacceptable departure from the planned trajectory.

Under what condition is the Falcon 9's FTS primarily designed to activate automatically during an operational flight?

#Videos

SpaceX Starship self-destructs after successful launch and test flight

AerospaceSpaceXrocketsself-destruct