NTSB Identification: NYC78FHM04
14 CFR Part 91 General Aviation
Aircraft: HILLER ACFT UH-12C, registration: N2686
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 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
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3-4282   77/9/6    LINCOLN PARK,NJ     HILLER ACFT UH-12C  CR-  0  0  1  MISCELLANEOUS             PRIVATE, AGE 39, 155
        TIME - 1415                    N2686               PX-  0  0  1  POLICE PATROL             TOTAL HOURS, UNK/NR IN
                                       DAMAGE-DESTROYED    OT-  0  0  0                            TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - LINCOLN PARK
        DEPARTURE POINT             INTENDED DESTINATION
          LINCOLN PARK,NJ             LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           PROPELLER/ROTOR FAILURE: MAIN ROTOR                      TAKEOFF: INITIAL CLIMB
           HARD LANDING                                             LANDING: POWER-OFF AUTOROTATIVE LANDING
        PROBABLE CAUSE(S)
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE MAINTENANCE AND INSPECTION
           ROTORCRAFT - TRANSMISSION ROTOR DRIVE SYSTEM: CLUTCH ASSEMBLY
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING ON AIRPORT/SEAPLANE BASE/HELIPT.
        REMARKS- THE AUTOMATIC CENTRIFUGAL MERCURY CLUTCH FRICTION SHOES WORN BEYOND MFG LIMITS. AIRSPEED LOW.
Full narrative is not available


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