Aviation Accident Summary MIA89IA186

CHIEFLAND, FL, USA

Aircraft #1

N2137U

BELL 206L-1

Analysis

THE FLT WAS NEARING THE DESIGNATED PICK-UP AREA AT ABOUT 300 FT & WAS ON FINAL APRCH, WHEN A NOISE WAS HEARD FROM THE ENG SECTION. THE PILOT MADE AN AUTOROTATION INTO A FIELD. AN EXAM OF THE TURBINE SECTION REVEALED THAT IT WAS 'LOCKED UP.' DISASSEMBLY OF THE TURBINE MODULE REVEALED THAT A PIECE OF THE FIRST STAGE TURBINE WHEEL DISK HAD SEPARATED.

Probable Cause and Findings

ENGINE FAILURE DUE TO FAILURE OF THE FIRST STAGE TURBINE WHEEL DISK.

 

Source: NTSB Aviation Accident Database

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