NTSB Identification: SEA06CA009.
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Accident occurred Thursday, October 20, 2005 in Lake Powell, UT
Probable Cause Approval Date: 02/28/2006
Aircraft: Cessna A185F, registration: N7377H
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.

According to the pilot, he was making a water takeoff from a finger of a lake that extended into a narrow canyon. During the takeoff run, he was almost on the step when the right float struck a submerged object. He aborted the takeoff by reducing power. The airplane drifted to the right, and the right wingtip contacted the canyon wall. The airplane pivoted to the right, the right float contacted the canyon wall, and the airplane came to a stop. The right wing sustained structural damage.

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

The pilot's failure to maintain clearance from terrain during an aborted water takeoff run which resulted in the airplane colliding with a canyon wall. A contributing factor was the submerged object that the airplane struck during the takeoff run.

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