What happened
During a scheduled maritime patrol mission, an aircraft operated by the 24F Group departed from the Lorient-Lann Bihoué Naval Air Station. While performing its duties over the ocean, the plane went down in the Iroise Sea. The wreckage was located approximately 40 nautical miles from the Ar-Men lighthouse near the coast of Britain.
The accident resulted in 13 fatalities, as there were no survivors among the crew members on board at the time of the impact. The aircraft was engaged in a patrol mission when it disappeared from radar/tracking.
Findings
The specific reasons for the crash remain unidentified, as the aircraft went down under unknown circumstances. No official determination regarding mechanical failure or environmental factors has been provided in the available records.