What happened
The incident involved a floatplane that departed from Killadeas Naval Air Station in Ireland on a routine maritime patrol mission. At the time of departure, there were nine crew members aboard the aircraft. The flight failed to return to base as scheduled and was subsequently lost. Based on available information, the aircraft probably crashed into the Atlantic Ocean in the waters west of the Irish coast. All nine occupants were killed in the accident.
Findings
The specific technical or operational factors contributing to the loss were not detailed in the provided source material. The event is recorded as a failure to return from operations, with the probable location of the wreckage identified in the Atlantic Ocean off the western coast of Ireland.