What happened
During a scheduled military training exercise, an aircraft departed from RAF Saint Eval to perform a simulated submarine attack mission. While conducting these maneuvers, the aircraft went down in the waters of the Celtic Sea, situated off the coast of Cornwall. The incident occurred under circumstances that were not immediately clarified at the time of the event.
There were no survivors of the impact. The crash resulted in seven fatalities among the crew members on board.
Findings
Official investigations into the wreckage and the flight path concluded that the specific reason for the loss of the aircraft could not be established.