Definition
A system installed on a launch vehicle, missile, or unmanned aircraft that allows the flight to be terminated remotely if it deviates from its planned path or becomes a hazard to people or property. Termination is typically achieved by shutting down propulsion, destroying the vehicle, or otherwise neutralizing its ability to continue flight.
Plain English
A built-in way to safely end a flight from the ground if the vehicle goes off course or becomes dangerous.
Context Anchor
Seen in flight test, rocket launch, missile range, and unmanned aircraft operations where a vehicle could leave its planned safe area.
Why Pilots Care
These systems reduce the chance of accidents and help meet regulatory requirements for safe operation.
Grounding Statement
The basic idea is: if a flight cannot be allowed to continue safely, the Flight Safety System provides an organized way to control or stop it.
Intuition Check
Do not read Flight Safety System as a general promise that the flight is safe. Here, it means a specific system for monitoring the flight and acting if the flight becomes unsafe.
Example Sentence 1
When the test rocket veered outside its approved corridor, the range officer activated the flight safety system to terminate the flight.
Example Sentence 2
Modern airliners use automated flight safety systems to warn of terrain or traffic conflicts.