NTSB Identification: ANC74AA022
14 CFR Part 135 Nonscheduled operation of ANCHORAGE HELI
Aircraft: ALOUETTE SA318B, registration: N7329

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 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
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3-2228  73/8/14  NR.BETTLES,ALAS       ALOUETTE SA318B     CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 26, 1500
        TIME - 0800                    N7329               PX-  0  0  1  AIR TAXI-PASSG            TOTAL HOURS, 13 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
         BETTLES,ALAS                UNKNOWN/NOT REPORTED
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           PROPELLER/ROTOR FAILURE: TAIL ROTOR                      TAKEOFF: VERTICAL
           HARD LANDING                                             LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           ROTORCRAFT - TRANSMISSION ROTOR DRIVE SYSTEM: TAIL ROTOR DRIVE SHAFT ASSEMBLY
           MISCELLANEOUS ACTS,CONDITIONS - LACK OF LUBRICATION-SPECIFIC PART,NOT SYSTEM
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE MAINTENANCE AND INSPECTION
           TERRAIN - ROUGH/UNEVEN
        FACTOR(S)
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE INSPECTION OF AIRCRAFT (MAINTENANCE PERSONNEL)
           PILOT IN COMMAND - FAILED TO FOLLOW APPROVED PROCEDURES,DIRECTIVES,ETC.
           MISCELLANEOUS ACTS,CONDITIONS - VIBRATION,EXCESSIVE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- PLT LND TWICE ENRTE DUE VIBRATION.2ND LDG MECH CKD ACFT.CONT FLT.T/R DRIVE SHAFT BEARING FAILED.

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