Primary finding
Probable cause
Pilot incapacitation due to acute coronary insufficiency which resulted in a loss of control of the airplane and impact with the ground.
Investigator assessment
Analysis narrative
The airplane had just departed the airport towing a glider. At about 300 feet msl the tow plane went into a nose low dive. The glider pilot released the tow line and landed safely. The tow plane crashed in a field. According to the pilot's medical history he had a pre-existing heart condition. The medical examiner determined the cause of death as: '...acute coronary insufficiency due to severe coronary arteriosclerosis.'
Source record
Factual narrative
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