NTSB Identification: SEA88FA050.
The docket is stored on NTSB microfiche number 37060.
Accident occurred Thursday, February 18, 1988 in ROSEBURG, OR
Probable Cause Approval Date: 09/19/1989
Aircraft: BELL 206A, registration: N7981J
Injuries: 2 Serious,1 Minor,1 Uninjured.
NTSB investigators either traveled in support of this investigation or conducted a significant amount of investigative work without any travel, and used data obtained from various sources to prepare this aircraft accident report.
WHILE HOVERING AT 200' AGL, THE ENG LOST POWER & THE PLT ENTERED AN AUTOROTATION. HE MANEUVERED TO AVOID TREES & LANDED AMID TREE STUMPS IN A LOGGING CLEAR CUT AREA. AN INVESTIGATION REVEALED THE 1ST STAGE TURBINE WHEEL HAD FAILED. THE WHEEL EXITED THE ENG & AIRFRAME IN MORE THAN TWO PIECES & WAS NOT RECOVERED. THE MODE OF WHEEL FAILURE WAS NOT DETERMINED.
The National Transportation Safety Board determines the probable cause(s) of this accident to be:TURBINE ASSEMBLY,TURBINE WHEEL..FAILURE,TOTAL
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