NTSB Identification: CHI05CA195.
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Accident occurred Sunday, July 17, 2005 in Bowstring, MN
Probable Cause Approval Date: 10/27/2005
Aircraft: Cessna 180, registration: N4652B
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 fixed-float equipped airplane sustained substantial damage when it nosed over during an aborted takeoff in rough water. The pilot reported that by the time he arrived the lake was "rough" and the tie downs were not holding. He stated that during the takeoff run he decided that it was "too rough to continue." He reported that he "let up" on the throttle and was slowing down, when the left float "caught a wave" and the airplane nosed over. Wind conditions recorded by the Bigfork Municipal Airport (FOZ) Automated Weather Observing System (AWOS), located 18 nautical miles northeast of the accident site, at 1335, were from 170 degrees at 19 knots, gusting to 27 knots. The pilot reported winds from 140 degrees at 18 knots, gusting to 22 knots. The pilot stated that there were no failures or malfunctions with the aircraft prior to the accident.

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

The unsuitable water conditions for takeoff selected by the pilot and his inability to maintain aircraft control in the rough water. Contributing factors were the aborted takeoff initiated by the pilot, the rough water conditions and the high, gusty winds.

Full narrative available

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