Accident Eagle Eagle DW-1 N8815U, Tuesday 1 June 2010

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Date:	Tuesday 1 June 2010
Time:	10:29 LT
Type:	Eagle Eagle DW-1
Owner/operator:	Private
Registration:	N8815U
MSN:	DW-1-0094-83
Total airframe hrs:	5750 hours
Engine model:	Lycoming IO-540-M1B
Fatalities:	Fatalities: 0 / Occupants: 1
Other fatalities:	0
Aircraft damage:	Substantial
Category:	Accident
Location:	Waterville, Washington - United States of America
Phase:	En route
Nature:	Ferry/positioning
Departure airport:	Waterville, WA
Destination airport:	Missoula, MT
Investigating agency:	NTSB
Confidence Rating:	Accident investigation report completed and information captured

Narrative:
The pilot was repositioning the airplane when the engine lost power. He made a forced landing in a soft field, and the airplane nosed over. An examination of the wreckage revealed a worn wire on one magneto. It is likely that the intermittent grounding of the magneto could have caused the engine to surge and lose power.

Probable Cause: A worn wire in the magneto system, which allowed intermittent grounding and a loss of engine power.

Accident investigation: