Aviation Accident Summary ATL86LA069

COUNCIL, NC, USA

Aircraft #1

N9374F

HUGHES 269B

Analysis

DURING A CONTROL BURNING OPERATION, THE PLT EXPERIENCED A COMPLETE ENG FAILURE. THE PLT ENTERED AN AUTOROTATION AND COLLIDED WITH TREES. THE ENG EXAMINATION DISCLOSED THAT THE #4 CONNECTING ROD HAD FAILED. THE FAILURE WAS DETERMINED TO HAVE RESULTED FROM FATIGUE CRACKING NEAR THE CRANKSHAFT AND INSERT CONNECTION.

 

Source: NTSB Aviation Accident Database

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