NTSB Identification: OAK70D0121
14 CFR Part 91 General Aviation
Aircraft: MOONEY M-20C, registration: N6704U
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 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
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3-2689  69/8/15    ARROYO,CALIF        MOONEY M-20C        CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 47, 170
        TIME - 1530                    N6704U              PX-  0  0  3  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 150 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          SANTA MONICA,CALIF          MONTEREY,CALIF
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           PROPELLER/ROTOR FAILURE: PROPELLER                       IN FLIGHT: NORMAL CRUISE
           GEAR COLLAPSED                                           LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE MAINTENANCE AND INSPECTION
           POWERPLANT - PROPELLER AND ACCESSORIES: HUBS
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
           AIRFRAME - LANDING GEAR: NOSEWHEEL ASSEMBLIES
           TERRAIN - ROUGH/UNEVEN
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
                                  PROP/ENGINE VIBRATION
        REMARKS- BLADE RETAINING THREAD AREA IN HUB BARREL FAILED ALLOWING PROP BLADE TO BECOME DETACHED.
Full narrative is not available


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