NTSB Identification: MKC81FA054
14 CFR Part 135 Nonscheduled operation of ROCKY MT HELIC
Aircraft: AEROSPATLE AS350D, registration: N352RM

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 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
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3-2199  81/9/20    IOWA CITY,IA        AEROSPATLE AS350D   CR-  0  0  2  COMMERCIAL                COMMERCIAL, AGE 35, 2133
        TIME - 0057                    N352RM              PX-  0  0  1  AIR TAXI-PASSG            TOTAL HOURS, 39 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        NAME OF AIRPORT - U OF IOWA HELIPAD
        DEPARTURE POINT             INTENDED DESTINATION
          MOLINE,IL                   IOWA CITY,IA
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           PROPELLER/ROTOR FAILURE                                  IN FLIGHT: DESCENDING
           HARD LANDING                                             LANDING: POWER-OFF AUTOROTATIVE LANDING
        PROBABLE CAUSE(S)
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: IMPROPER MAINTENANCE (MAINTENANCE PERSONNEL)
           ROTORCRAFT - TRANSMISSION ROTOR DRIVE SYSTEM: ENGINE DRIVE SHAFT
           MISCELLANEOUS ACTS,CONDITIONS - IMPROPERLY INSTALLED
        EMERGENCY CIRCUMSTANCES - PRECAUTIONARY LANDING ON AIRPORT
                                  SUSPECTED MECHANICAL DISCREPANCY
        REMARKS- WASHERS ON FLEXIBLE COUPLING BTN HYD PUMP PULLEY & ENG MAIN GEAR BOX SHAFT INSTALLED INCORRECTLY.

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