What happened
The incident occurred during nighttime operations while the aircraft was maintaining a cruising altitude of roughly 2,000 feet. The twin-engine machine collided with the eastern slope of Mount Drum, located within the Snowdonia region. The impact resulted in the immediate loss of life for all personnel on board. There were five individuals present in the aircraft at the time of the accident, and all were killed in the crash.
Findings
The source material identifies the victims as members of the 2nd AFU crew. While specific technical or human factors contributing to the terrain collision are not detailed in the provided text, the event is characterized by a controlled flight into terrain during a night cruise phase at low altitude.