Incident Summary
During a landing approach to a lake, a float-equipped airplane contacted the water surface, porpoised, and subsequently flipped over. According to the pilot, the airplane "flipped over like a ground loop" after the initial impact.
Damage
The accident resulted in substantial damage to the left wing of the aircraft. No other damage details were reported.
Pilot Report
The pilot stated that there were no pre-impact mechanical failures or malfunctions with the airframe or engine that would have precluded normal operation. The cause of the porpoising and subsequent flip-over was not specified in the report.