NTSB Identification: WPR14CA109
14 CFR Part 91: General Aviation
Accident occurred Saturday, January 25, 2014 in Willcox, AZ
Probable Cause Approval Date: 05/21/2014
Aircraft: PIPER PA 18-150, registration: N9683P
Injuries: 2 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 and his father had flown to the accident location to camp and hunt. They made three passes over an open area to find a suitable landing spot. The pilot stated that the grass appeared to be knee-to-hip height, but he believed it was safe to land. He set up for landing, and on the landing rollout, about 20-30 knots, the left main landing gear wheel struck an unseen, large embedded boulder that collapsed the left main landing gear. The airplane's wing sustained substantial damage. The pilot reported no preimpact mechanical malfunctions or failures with the airplane that would have precluded normal operation.

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

The pilot's decision to land off airport on unsuitable terrain that resulted in a collision with hidden objects.

Full narrative available

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