NTSB Identification: SEA05LA036.
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Nonscheduled 14 CFR
Accident occurred Friday, January 14, 2005 in Prevost, WA
Probable Cause Approval Date: 07/07/2005
Aircraft: Cessna U206F, registration: N8313Q
Injuries: 3 Uninjured.

NTSB investigators may not have traveled in support of this investigation and used data provided by various sources to prepare this aircraft accident report.

The pilot did a "fly-over" to check out the runway conditions including wind direction and speed. He said that the runway was clear of snow, and there was no indication of ice or frost. The pilot said that the winds in the nearby bay appeared to be 10 knots or less. He said that immediately after touchdown the airplane felt like it had no traction; braking action was poor to none. He said that after several hundred feet of ground roll, he felt a "strong" gust of wind on his tail. The pilot said that he decided to swerve north of the runway rather than impact the trees on the end of the runway. He impacted a soft mound of dirt which was not initially visible, "thus causing the airplane to slowly nose over." The airplane's left strut was broken, the left wing was bent aft, the engine firewall and chin were crushed, and the aft fuselage was crushed and bent.

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

The pilot not identifying unsafe landing conditions, and his subsequent intentional swerve during the landing roll resulting in impacting a ditch. Contributing factors were the ice/frost on the grass/dirt one-way runway (1,560 feet in length), the unexpected tail wind gust, and the ditch he encountered after he swerved to avoid going past the end of the runway into trees.

Full narrative available

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