NTSB Identification: SEA79FYM32
14 CFR Part 91 General Aviation
Aircraft: HILLER ACFT UH-12E, registration: N161HA

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 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
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3-1767  79/5/11    INDEPENDENCE,OR     HILLER ACFT UH-12E  CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 28, 2200
        TIME - 0730                    N161HA              PX-  0  0  0  ASSOC CROP CTL ACTIVITY   TOTAL HOURS, 700 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - INDEPENDENCE
        DEPARTURE POINT             INTENDED DESTINATION
          INDEPENDENCE,OR             LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           PROPELLER/ROTOR FAILURE: MAIN ROTOR                      TAKEOFF: INITIAL CLIMB
           COLLISION WITH GROUND/WATER: UNCONTROLLED                IN FLIGHT: UNCONTROLLED DESCENT
        PROBABLE CAUSE(S)
           ROTORCRAFT - ROTOR ASSEMBLIES: MAIN ROTOR HEAD ASSEMBLIES
           MISCELLANEOUS ACTS,CONDITIONS - CORRODED/CORROSION
           MISCELLANEOUS ACTS,CONDITIONS - FATIGUE FRACTURE
           MISCELLANEOUS ACTS,CONDITIONS - DISCONNECTED
        FACTOR(S)
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE MAINTENANCE AND INSPECTION
           MISCELLANEOUS ACTS,CONDITIONS - LOAD NOT JETTISONED
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL - UNKNOWN/NOT REPORTED       KIND OF OPERATION - SPRAYING CROPS
          KIND OF CROP - GRAIN FIELDS                              TYPE OF CHEMICAL USED - LIQUID CHEMICAL-NONTOXIC
          PILOT' S SEAT BELT -UNKNOWN/NOT REPORTED                 GLOVES - NOT USED
          GOGGLES - NOT USED                                       CRASH HELMET - AVAILABLE USED
          COCKPIT CRASHPAD - INSTALLED                             CRASH BAR - NOT INSTALLED
          TANK/HOPPER-LOCATION - BELLY                             TERRAIN-TYPE -LEVEL,FLAT
          ELEVATION-AREA BEING TREATED-FEET -  160
        REMARKS- INCIDENCE PUSH ROD END BEARING FAILED AT OUTER SHELL DRG TRANSLATION LIFT.

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