NTSB Identification: IAD05LA147.
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Accident occurred Sunday, September 04, 2005 in New Cumberland, PA
Probable Cause Approval Date: 05/30/2006
Aircraft: Hanson VariEze, registration: N220EZ
Injuries: 1 Minor.

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 airplane had been airborne for about 5 minutes when the engine lost power. The pilot then force landed in a field, and the airplane nosed over. During a post-accident examination, the propeller was replaced, and the engine was started and operated for about 5 minutes at 1,700 rpm. The fuel system was also examined, and the fuel screens in both fuel tanks were found to be covered in a "fine muddy silt," consistent with mud dauber activity. A subsequent fuel analysis revealed that particulate contamination and gum levels were "very high." The fuel tanks had been open during the airplane's construction, and the airplane had about 30 hours of operation at the time of the accident.

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

The owner/builder's inadequate fuel tank inspection during construction, which resulted in fuel contamination and subsequent fuel starvation to the engine.

Full narrative available

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