NTSB Identification: WPR11LA160
14 CFR Part 91: General Aviation
Accident occurred Thursday, March 10, 2011 in Agoura Hills, CA
Probable Cause Approval Date: 10/03/2011
Aircraft: PIPER PA-28R-200, registration: N75224
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 certified flight instructor (CFI) reported that following an uneventful flight that consisted of various flight maneuvers and simulated engine out procedures, the pilot receiving instruction was told to return to the departure airport. Upon reaching cruise flight, the engine began to run rough with a consistent light vibration. The CFI stated that he attempted to correct the engine condition; however, he was unable and initiated a forced landing to a landfill. During the approach to landing, the left wing struck a sand pile and the airplane subsequently veered to the left and landed hard. Postaccident examination of the airplane revealed that the left wing was separated from the fuselage. Fuel was present in both the left and right fuel tanks. Using an alternate fuel source attached to the right wing fuel inlet line, the recovered engine was successfully run at various power settings for about eight minutes. No mechanical anomalies were noted with the recovered engine or airframe that would have precluded normal operation. The cause of the loss of engine power was not determined.

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

The loss of engine power during cruise flight for undetermined reasons.

Full narrative available

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