Event Details
The pilot reported a gradual decrease in power after reaching 4,000 feet. Unable to restart the engine, the pilot elected to attempt a forced landing in a field. During the approach, the aircraft collided with a tree prior to landing. Subsequently, the aircraft collided with a fence and came to rest approximately 150 feet from the fence.
Fuel Examination
Before departing Gainesville, the aircraft was fueled with 20 gallons of 100 low lead aviation fuel. The fixed base operator stated that fuel samples were taken and no visible contaminants were observed. There were no reports of fuel problems from other pilots who purchased fuel from the same location on October 17, 1987.
Investigation
The investigation did not discover any reason for the loss of power. No mechanical or fuel-related anomalies were identified.