NTSB Identification: FTW66A0056
14 CFR Part 91 General Aviation
Aircraft: BELL 47J-2, registration: N73902

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 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
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2-1005   65/12/9   REFUGIO TEX         BELL 47J-2          CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 34, 1500
        TIME - 1445                    N73902              PX-  0  0  1  OTHER                     TOTAL HOURS, 900 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           PROPELLER/ROTOR FAILURE: TAIL ROTOR                      IN FLIGHT: OTHER
           HARD LANDING                                             LANDING: POWER-OFF AUTOROTATIVE LANDING
        PROBABLE CAUSE(S)
          ROTORCFT-IMPROPERLY ASSEMBLED PINION SHAFT & GEAR
           MISCELLANEOUS ACTS,CONDITIONS - FATIGUE FRACTURE
           ROTORCRAFT - TRANSMISSION ROTOR DRIVE SYSTEM: TAIL ROTOR DRIVE SHAFT ASSEMBLY
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: IMPROPER MAINTENANCE (MAINTENANCE PERSONNEL)
        FACTOR(S)
           PERSONNEL - PRODUCTION-DESIGN-PERSONNEL: SUBSTANDARD QUALITY CONTROL
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
                                  DIRECTIONAL CONTROL PROBLEM
                                  SUSPECTED MECHANICAL DISCREPANCY
        REMARKS- FATIGUE FAILURE,T/R PINION SHAFT.HERDING CATTLE.

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