Incident Overview
An aircraft was observed shortly after departing from the owner/operator's private landing strip. Witnesses reported hearing a sudden decrease in engine power, followed a short time later by a momentary sound of the engine firing or restarting, after which the power decreased again. The aircraft was then observed in a steep left-wing-low descent before disappearing behind trees and crashing.
Crash Details
The aircraft crashed in a large corn field, where it was extensively damaged. The impact sequence left marks along a path of approximately 100 feet.
Investigation Findings
Investigators found no reason for the reported loss of engine power. It was noted that the non-certificated passenger was found in the left seat. According to reports, the passenger often accompanied the pilot on flights and, on occasions, was allowed to control the aircraft.
Toxicology Results
Toxicology checks of fluids from the pilot's stomach and liver showed alcohol levels of 0.118 mg% (0.118%).