NTSB Identification: SEA74DYI10
14 CFR Part 91 General Aviation
Aircraft: HILLER ACFT UH-12E, registration: N90469

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 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
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3-0755  74/3/24    LONDON,OREG         HILLER ACFT UH-12E  CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 30, 2700
        TIME - 0822                    N90469              PX-  0  0  0  AERIAL APPLICATION        TOTAL HOURS, 650 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          LONDON,OREG                 LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH GROUND/WATER: CONTROLLED                  LANDING: OTHER
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO MAINTAIN ADEQUATE ROTOR R.P.M.
           PILOT IN COMMAND - IMPROPER OPERATION OF POWERPLANT & POWERPLANT CONTROLS
        FACTOR(S)
           PILOT IN COMMAND - SPONTANEOUS-IMPROPER ACTION
           TERRAIN - ROUGH/UNEVEN
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL - UNKNOWN/NOT REPORTED       KIND OF OPERATION - SPRAYING FORESTS
          KIND OF CROP - FOREST-TREES                              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 - NOT INSTALLED                         CRASH BAR - NOT INSTALLED
          TANK/HOPPER-LOCATION - SIDES                             TERRAIN-TYPE -MOUNTAINOUS
          ELEVATION-AREA BEING TREATED-FEET -  1600                SWATH RUN-HOW FLOWN - WIND CALM
        REMARKS- PLT THOUGHT HE HAD PWR LOSS,STARTED AUTOROTATION.UN MAINTAIN ROTOR RPM.LND IN STUMPS.

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