What happened
The incident occurred while the twin-engine aircraft was conducting a routine training exercise. During the flight, the machine lost control and subsequently impacted the water surface of the Irish Sea. The crash site was located off the coast near RAF Millom. All personnel on board perished in the accident, resulting in a total of five fatalities. The crew consisted of a pilot, a flight engineer, two wireless operators, and a navigator.
Findings
The source material does not provide specific details regarding the technical cause or contributing factors to the loss of control. It is noted that the aircraft was engaged in training operations at the time of the incident.