Accident Sequence
During takeoff, the aircraft struck a pile of lumber located 62 feet from the departure end of the runway. The main wreckage came to rest approximately 165 feet from the initial impact point with the lumber, at a bearing of 159 degrees. The temperature at the time was 70 degrees Fahrenheit, and the airport elevation was 773 feet.
Witness Observations
Two witnesses believed that the pilot did not use the entire runway for takeoff. One witness estimated that the pilot began the takeoff approximately 150 feet from the approach end of the runway.
Pilot Statement
The pilot stated that during takeoff, he used 10 degrees of flaps. The flight manual recommended using 25 degrees of flaps for a short field takeoff. After lift-off, the pilot felt a gust of air rock the aircraft and it dropped. When he recovered, the plane was headed toward a building to the right of the runway centerline. He turned right to avoid the building and said that he hit something.
Investigation Findings
An investigation revealed no preimpact malfunction or failure of the aircraft or engine.