NTSB Identification: ANC10LA074
Nonscheduled 14 CFR Part 135: Air Taxi & Commuter
Accident occurred Thursday, August 19, 2010 in Homer, AK
Probable Cause Approval Date: 05/26/2011
Aircraft: CESSNA U206G, registration: N9815M
Injuries: 4 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 descent, about 18 miles east of the destination airport, the airplane experienced a sudden and complete loss of engine power. After several unsuccessful attempts to restart the engine, the pilot made an emergency landing on a glacier. During the landing roll the airplane encountered a crevasse and nosed over. After the landing, the pilot reported seeing fuel leaking from both fuel caps on top of the wings and from the engine cowling.
After the airplane was recovered, a Federal Aviation Administration inspector removed about 8 gallons of fuel from each of the two main fuel tanks. Fuel was also found in both header tanks. The inspector said the fuel appeared to be clear and free of water and other contaminants and flowed freely from the fuel tanks to the engine. The airplane was refueled prior to the flight, and fuel samples from the commercial fuel facility showed no signs of contamination. The engine was installed on an engine test stand and run through a series of power settings. No oil/fuel leaks or mechanical anomalies were found. No reason for the loss of engine power was discovered during the postaccident inspections.
The National Transportation Safety Board determines the probable cause(s) of this accident to be: The loss of engine power for an undetermined reason, resulting in an off-airport emergency landing and subsequent nose over. Full narrative available
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