NTSB Identification: CHI72AC013
14 CFR Part 91 General Aviation
Aircraft: BELL 47G2A1, registration: N73989
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 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
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3-4198  71/8/10    BELLWOOD,ILL        BELL 47G2A1         CR-  1  0  0  MISCELLANEOUS             COMMERCIAL, AGE 29, 1898
        TIME - 1628                    N73989              PX-  1  0  0  POLICE PATROL             TOTAL HOURS, 257 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          CHICAGO,ILL                 LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           AIRFRAME FAILURE: IN FLIGHT                              IN FLIGHT: OTHER
           COLLIDED WITH: WIRES/POLES                               IN FLIGHT: UNCONTROLLED DESCENT
        PROBABLE CAUSE(S)
           ROTORCRAFT - MISCELLANEOUS UNITS AND ASSEMBLIES: TAIL BOOMS/PYLONS/CONES
           MISCELLANEOUS ACTS,CONDITIONS - FATIGUE FRACTURE
        FACTOR(S)
           TERRAIN - HIGH OBSTRUCTIONS
         FIRE AFTER IMPACT
        REMARKS- T/R DRIVE SHAFT YOKE FAILED,PLT UN CTL HELICOPTER,HIT POLE.
Full narrative is not available


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