NTSB Identification: FTW84LA270.
The docket is stored on NTSB microfiche number 25641.
Nonscheduled 14 CFR
Accident occurred Friday, June 08, 1984 in SOUTH PELTO
Aircraft: BELL 206B, registration: N2276Q
Injuries: 4 Minor.

NTSB investigators may not have traveled in support of this investigation and used data provided by various sources to prepare this aircraft accident report.

WHILE CRUISING AT 550 FT ABOVE THE GULF OF MEXICO, THE PLT NOTED HI TOT INDICATIONS, FOLLOWED BY LOSS OF N1 RPM & ENG FAILURE. AN AUTOROTATION WAS INITIATED WHICH TERMINATED IN A HARD LANDING IN 5 FT WAVES. ONE EMERGENCY FLOAT SEPARATED DURING THE LANDING & THE HELICOPTER ROLLED OVER, BUT CONTINUED TO FLOAT. A TEARDOWN OF THE ENG REVEALED THAT A 2ND STAGE COMPRESSOR WHEEL BLADE, P/N 6890502, HAD FAILED. THIS RESULTED IN SEVERE DAMAGE TO THE 2ND & 4TH STAGE AREAS OF THE ENG.

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

COMPRESSOR ASSEMBLY,BLADE..FAILURE,TOTAL



Contributing Factors

TERRAIN CONDITION..WATER,ROUGH

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