Accident Overview
During a nighttime flight, the aircraft struck the ground while in a near-vertical descent at high speed. Visual meteorological conditions prevailed throughout the area, with clear skies, and the pilot held an instrument rating.
Aircraft and Engine Examination
A thorough examination of the wreckage revealed no preimpact mechanical defects with either the aircraft or its engine. The aircraft, however, sustained extensive damage.
Pilot Background and Toxicology
When notified of the incident, the pilot's wife stated that he had been depressed. A toxicology analysis of the pilot's liver tissue showed the presence of ethanol at a concentration of 0.114%. However, investigators noted evidence that part of the ethanol may have been produced post mortem.
Investigation Status
No probable cause has been stated in the official source. The investigation continues to analyze available information.