GLENWOOD, NM, USA
N306BJ
CESSNA 150E
THE PILOT TOPPED OFF BOTH FUEL TANKS WITH AUTOGAS AND DEPARTED WITH A FRIEND TO SEARCH FOR GAME. WHILE CLIMBING, THE ENGINE LOST POWER AND THE PILOT WAS FORCED TO LAND ON UNSUITABLE MOUNTAINOUS TERRAIN. EXAMINATION CONFIRMED ENGINE CONTINUITY. THE CARBURETOR, AIR FILTER, AND MAGNETOS WERE UNREMARKABLE. FOUR OF THE EIGHT SPARK PLUS FAILED TO FIRE WHEN TESTED. AFTER CLEANING, NONE OF THE SPARK PLUGS WOULD FIRE AT 80 PSI IN A TEST CHAMBER. AN ANNUAL INSPECTION HAD BEEN ACCOMPLISHED THE DAY BEFORE THE ACCIDENT.
PARTIAL FAILURE OF THE SPARK PLUGS. FACTORS WERE INADEQUATE ANNUAL INSPECTION AND UNSUITABLE MOUNTAINOUS TERRAIN.
Source: NTSB Aviation Accident Database
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