Accident Sequence
At the time of takeoff, witnesses described the weather as featuring low clouds, fog, and poor visibility. Shortly after departure, the aircraft was seen circling the airport. During the circling, the engine's sound was reported to increase and decrease multiple times. The aircraft then descended and impacted the ground in a steep nose-down attitude.
Pilot Background
The pilot was instrument rated. However, no flight plan had been filed for the flight. Investigators were unable to locate records to assess the pilot's instrument proficiency at the time of the accident.
Aircraft and Medical Findings
A detailed examination of the aircraft found no evidence of any mechanical malfunction. Post-mortem examinations of the pilot revealed no signs of physical impairment or incapacitation.