NTSB Identification: ANC70A0020
14 CFR Part 91 General Aviation
Aircraft: SIKORSKY S-64E, registration: N6964R
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 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
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3-3686   69/9/2  NR.PRUDHOE BAY,ALAS   SIKORSKY S-64E      CR-  2  0  0  COMMERCIAL                COMMERCIAL, AGE 37, 4787
        TIME - 1735                    N6964R              PX-  1  0  0  CTR CARGO-D               TOTAL HOURS, 830 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          PRUDHOE BAY,ALAS            32 MI.NW PRUDHOE BAY
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           PROPELLER/ROTOR FAILURE: TAIL ROTOR                      IN FLIGHT: NORMAL CRUISE
           COLLISION WITH GROUND/WATER: UNCONTROLLED                IN FLIGHT: UNCONTROLLED DESCENT
        PROBABLE CAUSE(S)
           ROTORCRAFT - FLIGHT CONTROL SYSTEMS: TAIL ROTOR PITCH CONTROL SYSTEM
           MISCELLANEOUS ACTS,CONDITIONS - FATIGUE FRACTURE
           PERSONNEL - PRODUCTION-DESIGN-PERSONNEL: INCORRECT FACTORY INSTALLATION
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - SEPARATION IN FLIGHT
         FIRE AFTER IMPACT
        REMARKS- GUARD,PN 65113-07108-108,MISSING.T/R PITCH CTL LINK ASSY FAILED.GENL IN FLIGHT BREAKUP OF ACFT.
Full narrative is not available


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