SCOFFIELD, UT, USA
N9676F
HUGHES 269C
THE PLT AND HIS BROTHER WERE ON A LONG CROSS COUNTRY FLT, THROUGH MOUNTAINOUS TERRAIN. AFTER ONE HOUR OF FLT AND WHILE FLYING AT 8,000 FEET THE PLT NOTICED A CHANGE IN ENGINE NOISE AND THE ACFT HAD A PARTIAL POWER LOSS. THE PLT ELECTED TO AUTOROTATE TO A SNOW COVERED SURFACE. THE TOUCHDOWN WAS ON A STEEP SLOPE AND THE HELICOPTER SLID DOWNSLOPE AND STRUCK TREES. POST ACCIDENT INVESTIGATION SHOWED ONE MAGNETO NOT OPERATING PROPERLY.
Source: NTSB Aviation Accident Database
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