Primary finding
Probable cause
The pilot's premature liftoff and subsequent stall mush.
Investigator assessment
Analysis narrative
The float-mounted airplane had no wheels. The airplane was placed on a trailer and towed down a 2000-foot runway for takeoff. The airplane lifted off the trailer, eased right, and settled to the runway. It bounced, rocked forward, and tumbled. The airport has a 4500-foot asphalt runway.
Source record
Factual narrative
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