NTSB Identification: ANC08LA010.
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Accident occurred Sunday, October 28, 2007 in Penn Yan, NY
Probable Cause Approval Date: 04/30/2008
Aircraft: Piper 601P, registration: N717SB
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 private pilot was continuing a cross-country flight after having stopped for fuel. About 20 minutes into the flight, the pilot said both engines started running rough, and he turned the airplane toward the nearest airport and descended. The pilot reported that he did not think the airplane would make it to the airport, and that due to the rugged terrain, he felt it was better to ditch the airplane in a large lake he was flying over. The pilot reported there were no mechanical anomalies prior to the loss of engine power. He said he felt that fuel contamination was the cause of the engine problem, and that not fueling during heavy rain might have prevented the problem. Fuel samples were taken from the fuel supply where he added fuel, and the equipment used to fuel the airplane. No other instances of fuel contamination were reported, and according to the FAA inspector the fuel samples were tested, and found to be clean. The airplane was not recovered from the lake, and has not been examined by the NTSB.

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

The loss of engine power during cruise flight for an undetermined reason.

Full narrative available

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