NTSB Identification: WPR11LA318
14 CFR Part 91: General Aviation
Accident occurred Friday, July 08, 2011 in Frazier Park, CA
Probable Cause Approval Date: 05/21/2014
Aircraft: PIPER PA-22-108, registration: N4901Z
Injuries: 2 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, during the flight, he was following an interstate highway and that he then turned west to intercept a state highway and head toward his destination. He was flying about 1,000 feet above mountainous terrain when he became lost and disoriented while trying to navigate using maps and GPS. He then thought that the airplane was losing altitude. Subsequently, he concentrated on the terrain rather than direction, decided to make an off-airport landing, and landed the airplane in a dry river bottom. During the landing roll, the nosewheel dug into soft dirt, and the airplane nosed over. Postaccident engine and airframe examinations revealed no evidence of preimpact mechanical malfunctions or failures that would have precluded normal operation.
The National Transportation Safety Board determines the probable cause(s) of this accident to be: The pilot’s geographic disorientation, which resulted in an off-airport precautionary landing in soft terrain and a subsequent nose over.
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