Aviation Accident Summary CHI90LA198

OZARK, MO, USA

Aircraft #1

N442FH

FAIRCHILD HILLER FH-1100

Analysis

THE PLT SAID THAT WHILE IN CRUISE, HE HEARD A LOUD POP FROM THE REAR OF THE HELICOPTER, THEN THE TURBINE BEGAN TO SPOOL DOWN. AN EMERENCY AUTOROTATION, RUN-ON LDG WAS ATTEMPTED WHICH RESULTED IN A TAIL ROTOR STRIKE, THEN A ROLL-OVER. POST ACCIDENT INVESTIGATION REVEALED A FAILED #2 TURBINE SHAFT BEARING.

Probable Cause and Findings

TOTAL LOSS OF ENGINE POWER DUE TO #2 TURBINE SHAFT BEARING FAILURE. A FACTOR RELATED TO THE ACCIDENT WAS: NONE SUITABLE TERRAIN.

 

Source: NTSB Aviation Accident Database

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