NTSB Identification: OAK72FJA12
14 CFR Part 91 General Aviation
Aircraft: BELL 47G-5, registration: N8544F

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 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
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3-0283  72/1/21    KOLOA,HAWAII        BELL 47G-5          CR-  0  0  1  COMMERCIAL                COMMERCIAL, FL.INSTR.,
        TIME - 0830                    N8544F              PX-  0  0  0  AERIAL APPLICATION        AGE 31, 4700 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            500 IN TYPE, NOT
                                                                                                   INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          KOLOA,HAWAII                LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH GROUND/WATER: UNCONTROLLED                IN FLIGHT: UNCONTROLLED DESCENT
        PROBABLE CAUSE(S)
           ROTORCRAFT - FLIGHT CONTROL SYSTEMS: CYCLIC PITCH CONTROL SYSTEM
           SYSTEMS - FLIGHT CONTROL SYSTEMS: FLIGHT CONTROL BOOST SYSTEMS, HYDRAULIC
           MISCELLANEOUS ACTS,CONDITIONS - FATIGUE FRACTURE
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL - 4700                       KIND OF OPERATION - OTHER
          KIND OF CROP - OTHER                                     TYPE OF CHEMICAL USED - LIQUID CHEMICAL-NONTOXIC
          PILOT' S SEAT BELT -FASTENED-PROPERLY                    GLOVES - NOT USED
          GOGGLES - NOT USED                                       CRASH HELMET - AVAILABLE USED
          COCKPIT CRASHPAD - NOT INSTALLED                         CRASH BAR - NOT INSTALLED
          TANK/HOPPER-LOCATION - SIDES                             TERRAIN-TYPE -ROLLING
          ELEVATION-AREA BEING TREATED-FEET -  500
        REMARKS- CTL BOOST CYL FAILED IN LOCKED PSN.PLT UN TO MOVE CYCLIC CTL FORE OR AFT.HELO HIT IN NS DN ATT.

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