NTSB Identification: LAX00LA063.
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Accident occurred Sunday, January 02, 2000 in VICTORVILLE, CA
Probable Cause Approval Date: 12/04/2000
Aircraft: Cessna 172G, registration: N3690L
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, 2 hours 15 minutes after takeoff, the airplane's electrical generator failed and the airplane subsequently experienced electrical power failure. He said the engine then began to run rough. The recently licensed private pilot was not certain of his position and he made a precautionary landing at dusk on a county road. As the airplane touched down, the left wing struck a street sign which deflected the airplane across the highway median and across the (opposite direction) traffic lanes. The accident occurred 2 hours 45 minutes after takeoff. The airway distance from the departure airport to the intended destination was 167 nautical miles, and the distance to the accident location was approximately 142 nautical miles. Subsequent examination and a test run of the engine revealed no reason for the reported roughness.

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

The failure of the pilot to maintain positional awareness, which resulted in his becoming lost and disoriented. Contributing factors were the pilot's delay requesting assistance from air traffic control and the failure of the airplane's electrical generator.

Full narrative available

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