NTSB Identification: SEA07LA245.
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Accident occurred Thursday, August 30, 2007 in Diamond Springs, CA
Probable Cause Approval Date: 05/28/2008
Aircraft: Fitt Kitfox, registration: N96KL
Injuries: 2 Serious.

NTSB investigators may not have traveled in support of this investigation and used data provided by various sources to prepare this aircraft accident report.

After takeoff and during the initial climb the pilot observed a higher than normal engine temperature, followed by a zero oil pressure reading. Although the engine continued to run without interruption, the pilot elected to make a precautionary landing in a field clearing, which resulted in substantial damage to the airplane. The oil tank was disassembled during a post-accident examination of the engine and a foreign object, composed of a plastic material, was found plugged in the pickup portion of the oil supply tube. The pilot said that he had performed an engine oil change 5 days prior to the accident, and that during the oil change, he had disassembled and then reassembled the oil tank. The pilot reported that he did not know what the foreign object was or how it came to be lodged in the oil supply tube.

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

Oil starvation during climb due to an unidentified piece of plastic material blocking an oil supply tube and the pilot's inadequate maintenance of the lubricating system. Contributing to the accident was the rough terrain.

Full narrative available

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