NTSB Identification: WPR09LA408
14 CFR Part 91: General Aviation
Accident occurred Thursday, August 20, 2009 in Tacoma, WA
Probable Cause Approval Date: 06/17/2010
Aircraft: PIPER PA-22-150, registration: N6038D
Injuries: 1 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 reported that he was landing in crosswind conditions and was using a right wing low technique for the wheel landing. Shortly after touchdown he heard the right gear leg pop and the strut collapsed. The gear support structure and associated gearbox were substantially damaged. Post accident examination of the strut attachment fitting by a Safety Board metallurgist revealed that the fracture faces displayed features and deformations consistent with overstress separations. The metallurgist reported that no indications of preexisting cracking or corrosion were detected. The pilot reported no mechanical anomalies with the airplanes flight control systems prior to the accident.

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

The pilot's improper landing flare in crosswind conditions resulting in a gear leg collapse.

Full narrative available

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