NTSB Identification: FTW68A0040
14 CFR Part 91 General Aviation
Aircraft: BENSEN B8M, registration: N9171
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 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
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2-0876  67/10/10   YUKON,OKLA          BENSEN B8M          CR-  1  0  0  NONCOMMERCIAL             COMMERCIAL, AGE 38, 3993
        TIME - 1705                    N9171               PX-  0  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 4 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - CIMMARRON
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           PROPELLER/ROTOR FAILURE: MAIN ROTOR                      IN FLIGHT: OTHER
           COLLISION WITH GROUND/WATER: UNCONTROLLED                IN FLIGHT: UNCONTROLLED DESCENT
        PROBABLE CAUSE(S)
           ROTORCRAFT - ROTOR ASSEMBLIES: MAIN ROTOR HEAD ASSEMBLIES
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
           PERSONNEL - PRODUCTION-DESIGN-PERSONNEL: POOR/INADEQUATE DESIGN
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - SEPARATION IN FLIGHT
        REMARKS- OFFSET GIMBAL CONTROL HEAD ALUMINUM TORQUE TUBE,6063 T-5,FAILED.LOCAL FLIGHT AROUND AIRFIELD.
Full narrative is not available


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