Flight Planning and Departure
The pilot planned a cross-country flight using a conservative fuel burn rate of 15 gallons per hour. The airplane departed with full fuel tanks, as reported by the pilot.
Diversion and Overnight Stay
During the 4.8-hour flight, the pilot diverted to a different airport due to weather conditions and remained there overnight. The airplane was not refueled during the layover. The following day, the pilot departed from that airport.
Engine Power Loss and Forced Landing
While approaching the destination airport, the engine lost all power. The pilot attempted to enter the traffic pattern. On the downwind leg, realizing that he would not be able to land on a runway, the pilot executed a forced landing to a wooded area.
Post-Accident Observations
After the accident, the pilot told the airplane's owner that he had been concerned about running out of fuel and that the engine had quit on downwind. Examination of the wreckage revealed that both wing fuel tanks were ruptured. No fuel was observed in either the fuel tanks or fuel lines.
Aircraft Specifications and Fuel Burn Data
According to the airplane's Information Manual, the total fuel capacity was 84 gallons, with 82 gallons usable. Review of a Lycoming O-540-B series engine operator's manual indicated that the fuel burn at a power setting of 70 percent, at a pressure altitude of 6,000 feet, and with a full rich mixture setting was about 15 gallons per hour.