STOCKTON, CA, USA
N4021A
BELL 47G-2
THE ENG EXPERIENCED A TTL LOSS OF PWR DURING CRUISE FLT AT 300-400 FT AGL. THE PLT PERFORMED AN AUTOROTATION INTO A GRAPE VINEYARD WHICH RESULTED IN SUBSTANTIAL DAMAGE TO THE HELICOPTER. CAUSE OF THE LOSS OF PWR WAS NOT DETERMINED.
Source: NTSB Aviation Accident Database
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