What happened
The incident occurred during a night training exercise originating from RAF Heathfield (Prestwick). While flying over Kirkcudbrightshire, the twin-engine aircraft struck the slope of a hill situated approximately nine miles west of Dalry. The terrain feature had an elevation of 2,448 feet. Upon impact, the airframe was destroyed by collision forces and a subsequent post-crash fire. All four occupants on board were killed in the accident. The wreckage remained undetected until it was spotted on the mountainside the following day.
Findings
The official investigation determined that the accident resulted from controlled flight into terrain. No specific mechanical failures or external factors were cited as contributing causes in the available records.