NTSB Identification: DEN80FA051
14 CFR Part 135 Nonscheduled operation of ROCKY MOUNTAIN
Aircraft: AEROSPATLE 315B, registration: N67103
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 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
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3-3616  80/7/28    DELL,MT             AEROSPATLE 315B     CR-  1  0  0  COMMERCIAL                COMMERCIAL, AGE 43, 8039
        TIME - 1500                    N67103              PX-  0  0  0  AIR TAXI-CARGO            TOTAL HOURS, 1559 IN
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            TYPE, INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          DELL,MT                     LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           PROPELLER/ROTOR FAILURE: TAIL ROTOR                      TAKEOFF: VERTICAL
        PROBABLE CAUSE(S)
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: IMPROPER MAINTENANCE (MAINTENANCE PERSONNEL)
           ROTORCRAFT - TRANSMISSION ROTOR DRIVE SYSTEM: TAIL ROTOR DRIVE SHAFT ASSEMBLY
           MISCELLANEOUS ACTS,CONDITIONS - IMPROPERLY SECURED
           MISCELLANEOUS ACTS,CONDITIONS - UNDER TORQUED
           MISCELLANEOUS ACTS,CONDITIONS - LOOSE,PART/FITTING
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - JETTISONED LOAD
         FIRE AFTER IMPACT
        REMARKS- FAILURE OF THE SPLINES ON THE BEVEL GEAR & VERTICAL SHAFT OF THE BEVEL GEAR ASSEMBLY.
Full narrative is not available


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