NTSB Identification: NYC69A0072
14 CFR Part 91 General Aviation
Aircraft: BELL 47G-2, registration: N710K
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 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
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3-2610  69/1/10    ASTORIA,NY          BELL 47G-2          CR-  1  0  0  MISCELLANEOUS             COMMERCIAL, AGE 37, 7824
        TIME - 1727                    N710K               PX-  0  0  0  POLICE PATROL             TOTAL HOURS, 1387 IN
                                       DAMAGE-DESTROYED    OT-  0  0  0                            TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - LA GUARDIA
        DEPARTURE POINT             INTENDED DESTINATION
          ASTORIA,NY                  ASTORIA,NY
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           PROPELLER/ROTOR FAILURE: TAIL ROTOR                      IN FLIGHT: NORMAL CRUISE
           COLLISION WITH GROUND/WATER: UNCONTROLLED                IN FLIGHT: UNCONTROLLED DESCENT
        PROBABLE CAUSE(S)
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: IMPROPER MAINTENANCE (MAINTENANCE PERSONNEL)
           ROTORCRAFT - FLIGHT CONTROL SYSTEMS: TAIL ROTOR PITCH CONTROL SYSTEM
           MISCELLANEOUS ACTS,CONDITIONS - OVER TORQUED
         FIRE AFTER IMPACT
        REMARKS- T/R PITCH CHANGE ROD BEARINGS FAILED DUE TO OVER TORQUED DELTA HINGE BOLT.CRASHED INTO APT BLDG.
Full narrative is not available


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