NTSB Identification: SEA72AS005
14 CFR Part 91 General Aviation
Aircraft: GRUMMAN G-164A, registration: N5270
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 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
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3-2056   71/8/2    NYSSA,OREG          GRUMMAN G-164A      CR-  1  0  0  COMMERCIAL                ATP,FLIGHT INSTR., AGE
        TIME - 2216                    N5270               PX-  0  0  0  ASSOC CROP CTL ACTIVITY   39, 6543 TOTAL HOURS, 270
                                       DAMAGE-DESTROYED    OT-  1  0  0                            IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - ONTARIO AG STRIP
        DEPARTURE POINT             INTENDED DESTINATION
          NYSSA,OREG                  LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH AIRCRAFT: BOTH IN FLIGHT                  IN FLIGHT: EN ROUTE TO RELOADING AREA
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO SEE AND AVOID OTHER AIRCRAFT
           PERSONNEL - MISCELLANEOUS-PERSONNEL: PILOT OF OTHER AIRCRAFT
        FACTOR(S)
           PILOT IN COMMAND - PHYSICAL IMPAIRMENT
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL - 1900                       KIND OF OPERATION - SPRAYING CROPS
          KIND OF CROP - OTHER                                     TYPE OF CHEMICAL USED - LIQUID CHEMICAL-TOXIC
          PILOT' S SEAT BELT -FASTENED-PROPERLY                    GLOVES - NOT USED
          GOGGLES - NOT USED                                       CRASH HELMET - AVAILABLE USED
          COCKPIT CRASHPAD - INSTALLED                             CRASH BAR - INSTALLED
          TANK/HOPPER-LOCATION - FORWARD OF PILOT
         SPECIAL DATA
          SEGMENTS OF AVIATION INVOLVED - SMALL US GEN.AV.-SMALL US GEN.AV.
          CONTROLLING AGENCY - NO CONTROL                          RADAR CTL/SURVEILLANCE - RADAR SERVICE NOT AVAILABLE
          TRAFFIC ADVISORY ISSUED - NONE                           CONTROLLED/UNCONTROLLED AIRPORT - UNCONTROLLED AIRPORT
          CONTROL ZONE/AREA - NO                                   HORIZONTAL COLLISION ANGLE-DEGREES -   10
          EVASIVE ACTION TAKEN - NO                                ANTI-COLLISION LIGHTS - NOT INSTALLED
        REMARKS- ACFT COLLIDED ALMOST HEAD ON.PARTIAL MOON.BOTH PLTS HAD BELOW NORMAL CHOLINESTERASE LEVELS.
Full narrative is not available


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