NTSB Identification: LAX70F0140
14 CFR Part 91 General Aviation
Aircraft: HUGHES 269B, registration: N9525F
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 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
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3-2563  69/8/17    LAKEWOOD,CALIF      HUGHES 269B         CR-  0  1  0  MISCELLANEOUS             COMMERCIAL, AGE 41, 1755
        TIME - 1157                    N9525F              PX-  0  0  1  POLICE PATROL             TOTAL HOURS, 720 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - LONG BEACH INTL
        DEPARTURE POINT             INTENDED DESTINATION
          LONG BEACH,CALIF            LOCAL FLT
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           MISCELLANEOUS                                            IN FLIGHT: NORMAL CRUISE
           COLLISION WITH GROUND/WATER: UNCONTROLLED                IN FLIGHT: AUTOROTATIVE DESCENT
        PROBABLE CAUSE(S)
           ROTORCRAFT - TRANSMISSION ROTOR DRIVE SYSTEM: OTHER
           MISCELLANEOUS ACTS,CONDITIONS - FATIGUE FRACTURE
           ROTORCRAFT - TRANSMISSION ROTOR DRIVE SYSTEM: MAIN ROTOR PULLEYS,BELTS
           MISCELLANEOUS ACTS,CONDITIONS - DISCONNECTED
           PILOT IN COMMAND - SELECTED UNSUITABLE TERRAIN
           PILOT IN COMMAND - IMPROPER OPERATION OF FLIGHT CONTROLS
           PILOT IN COMMAND - FAILED TO MAINTAIN ADEQUATE ROTOR R.P.M.
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
                                  SUSPECTED MECHANICAL DISCREPANCY
        REMARKS- FATIGUE FAILURE OF ELECTRO MECH ACTUATOR CREATING DISCONNECT OF POWER DRIVE PULLY BELTS TO ENGINE.
Full narrative is not available


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