Accident American Champion 7AC N85393, Friday 4 January 2008

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Date:	Friday 4 January 2008
Time:	15:45 LT
Type:	American Champion 7AC
Owner/operator:	Private
Registration:	N85393
MSN:	7AC-4133
Engine model:	Continental A-65
Fatalities:	Fatalities: 0 / Occupants: 2
Other fatalities:	0
Aircraft damage:	Substantial
Category:	Accident
Location:	Whitmore Lake, Michigan - United States of America
Phase:	En route
Nature:	Private
Departure airport:	PLYMOUTH, MI (1D2)
Destination airport:
Investigating agency:	NTSB
Confidence Rating:	Accident investigation report completed and information captured

Narrative:
The pilot encountered a partial loss of engine power during flight. The use of carburetor heat did not regain the lost power. The pilot performed a precautionary landing to a grass landing strip he had landed at before. The airplane nosed over in the snow upon landing. No pre-impact anomalies were detected. The local temperature and dew point was -2 degrees C and -9 degrees C respectively. The owner's recommendation was to "replace the metal tube with scat tube on carb heat side."

Probable Cause: The partial loss of engine power for undetermined reasons during cruise and the unsuitable terrain encountered during the precautionary landing. A factor was the snow-covered ground.

Accident investigation: