Primary finding
Probable cause
The pilot's loss of directional control during takeoff from a frozen lake.
Investigator assessment
Analysis narrative
The pilot reported that he was departing a plowed "airstrip" on an ice-covered lake. During the takeoff roll, the airplane veered to the left and the left wheel hit a snowbank on the left side of the airstrip. The airplane nosed over, resulting in substantial damage to the wings and empennage. The pilot reported that the airplane experienced no mechanical malfunction or failure prior to the accident.
Source record
Factual narrative
The pilot reported that he was departing a plowed "airstrip" on an ice covered lake. During the takeoff roll, the airplane veered to the left and the left wheel hit a snow bank on the left side of the airstrip. The airplane nosed over which resulted in substantial damage to the wings and empennage. The pilot reported that there was no mechanical malfunction or failure.