Aviation Accident Summary MIA84FA004

WEST PALM BEACH, FL, USA

Aircraft #1

YV323

SIKORSKY S-61N

Analysis

WHILE DESCENDING FOR A LANDING THERE WAS A SEPARATION OF AN OUTBOARD SECTION OF THE MAIN RED ROTOR BLADE. AN OLD CRACK WAS NOTED & THE FRACTURE WAS ATTRIBUTED TO HIGH STRESS LOW CYCLE FATIGUE DAMAGE INITIATING FROM CORROSION PITTING.

 

Source: NTSB Aviation Accident Database

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