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Aviation Accident

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NTSB Identification: GAA15CA279
14 CFR Part 91: General Aviation
Accident occurred Tuesday, September 22, 2015 in Pelican Lake, WI
Probable Cause Approval Date: 12/03/2015
Aircraft: BRUNZLICK LARRY R SEAWIND 3000 EXPERIM, registration: N896CB
Injuries: 1 Uninjured.

NTSB investigators used data provided by various entities, including, but not limited to, the Federal Aviation Administration and/or the operator and did not travel in support of this investigation to prepare this aircraft accident report.

The pilot reported that he was practicing landings on a lake in his experimental amateur-built amphibious airplane. During the accident landing, he reported that the airplane "skipped slightly about 2 feet off the water, I held attitude and let it come down again but I accidentally let the left wing tip sponson settle onto the water while still going at about 55 knots." The airplane started to turn to the left, the sponson dug in more, and he reported that he did not correct the situation quickly enough. The airplane turned 180 degrees before coming to rest. Once the airplane was towed to shore, substantial damage was noticed to both wing sponsons and the rudder.

The pilot reported there were no pre-impact mechanical failures or malfunctions with the airframe or engine that would have precluded normal operation.

The National Transportation Safety Board determines the probable cause(s) of this accident as follows:
  • Abnormal runway contact which precipitated a loss of directional control and impact with water.