BEAVER MARSH, OR, USA
N95286
PIPER PA28-140
DURING CRUISE FLT, THE ENG MISFIRED AND BEGAN OPERATING ON 3 CYLINDERS. DUE TO ROUGH TERRAIN BTW HIMSELF AND A KNOWN SUITABLE AIRPORT, THE PLT ELECTED TO MAKE A PRECAUTIONARY LANDING AT A SMALL SNOW-COVERED AIRSTRIP. THE ACFT NOSED OVER ON LANDING IN 4 FT OF SNOW. INSPECTION OF THE ENGINE REVEALED THE #3 CYLINDER EXHAUST VALVE HAD FAILED.
AN LOSS OF ENGINE POWER DUE TO A FAILED EXHAUST VALVE. CONTRIBUTING TO THE ACCIDENT WAS THE SNOW COVERED TERRAIN ON WHICH A PRECAUTIONARY LANDING WAS MADE.
Source: NTSB Aviation Accident Database
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