Amateur-built Aventura II N621CD accident near Flushing, Michigan

Probable cause

A loss of engine power for undetermined reasons.

NTSB analysis

The amateur-built, experimental amphibian airplane had just departed the grass airstrip. About 100 feet above ground level just beyond the departure end of the airstrip, the engine lost power. Seconds later, the airplane impacted a tree and the ground in a left wing down, nose low attitude. Inspection of the propeller revealed no evidence of rotation at the time of impact. The fuel tank contained about 8 gallons of fuel. Flight control continuity was established. The engine rotated and an engine run was conducted and it operated. The inspection of the airframe and fuselage revealed no preexisting anomalies. The reason for the loss of engine power was not determined.

Text from the NTSB. Open the NTSB docket for CHI08LA191 for the full record.