Incident Overview
A pilot encountered a total loss of engine power after approximately three hours of flight. According to the investigation, the aircraft's fuel supply was completely exhausted at the time of the power loss.
Pilot Actions and Preflight Checks
The pilot reported to investigators that prior to takeoff, he checked the aircraft fuel quantity by inserting his finger into each tank filler neck. During the flight, the pilot maintained an altitude between 2500 and 3500 feet and operated the engine at the full rich mixture setting for the entire duration.
Findings
The investigation determined that the fuel supply was depleted, leading to the loss of engine power. No other contributing factors were identified in the report.
Summary
The event underscores the importance of accurate fuel management. The pilot's method of fuel quantity verification and the chosen mixture setting were documented in the investigation.