Witness Observations
A witness at the airport reported seeing the aircraft arrive and described it as 'slower and lower' than other aircraft observed arriving. The witness also noted that at the north end of the airport, the aircraft made a sharp left turn, appearing 'vertical to the ground.' Another witness at a different location confirmed seeing the aircraft at a high angle of bank.
Aircraft Condition at Impact
The aircraft impacted the ground with a nose-down attitude of approximately 40 degrees and a 90-degree left wing down orientation. The flaps and landing gear were fully extended at the time of impact. No evidence of control or power plant malfunction was found.
Weight and Cabin Contents
The aircraft's weight at the time of the accident was estimated to be between 3,350 and 3,800 pounds, with the latter figure representing the maximum gross takeoff weight. Fire-damaged remains of an assortment of tools, construction material, personal effects, and a cooler of beer were found in the cabin area, with a minimum estimated total weight of 200 pounds.
Toxicology
The pilot-in-command's toxicology was negative. However, the rear left seat passenger screened positive for ethanol, with levels of 0.14 gm/dl in blood (heart) and 0.15 gm/dl in vitreous.
Pilot Experience
The pilot was experienced in the accident aircraft and familiar with the airport.