Aviation Accident Summary CHI86FER11

BROOTEN, MN, USA

Aircraft #1

N8122J

BELL 47G-5

Analysis

ACCORDING TO THE PILOT, THE HELICOPTER COLLECTIVE CONTROL FAILED TO RESPOND TO A CLIMB INPUT TO LEVEL OFF AFTER A DESCENT FOR AN AGRICULTURAL SWATH RUN. FIRE AND IMPACT DAMAGE TO THE HELICOPTER WAS EXTENSIVE, HOWEVER ONE BROKEN ROD END IN THE COLLECTIVE CONTROL SYSTEM FAILED THROUGH DUCTILE OVERSTRESS.

 

Source: NTSB Aviation Accident Database

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