NTSB Identification: FTW82FA111
14 CFR Part 91: General Aviation
Accident occurred Wednesday, April 07, 1982 in NEWARK, TX
Probable Cause Approval Date: 04/07/1983
Aircraft: PIPER PA-23-150, registration: N1196P
Injuries: 3 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.
THE PLT REPORTED A LOUD BANG WAS HEARD AND HE OBSERVED THE LEFT ENG COWL RAISED TO A VERTICAL POSITION & THE ENG DROOPED DOWNWARD. THE EXCESSIVE AMOUNT OF DRAG CAUSED THE ACFT TO BE UNCONTROLLABLE. THE PLT WAS ABLE TO GAIN CONTROL OF THE ACFT BY FEATHERING THE RIGHT ENG. A GEAR-UP LANDING WAS MADE IN A PASTURE. ONE BLADE HAD SEPARATED FROM THE LEFT PROPELLER DUE TO SEPARATION OF A FLANGE ON THE PROPELLER HUB. THE SEPARATED HUB FLANGE FAILED DUE TO HIGH CYCLIC METAL FATIGUE.
The National Transportation Safety Board determines the probable cause(s) of this accident to be:PROPELLER SYSTEM/ACCESSORIES,HUB..FATIGUE
The National Transportation Safety Board determines the probable cause(s) of this accident to be:PROPELLER SYSTEM/ACCESSORIES,HUB..FAILURE,TOTAL
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