NTSB Identification: ATL81FID20
14 CFR Part 91 General Aviation
Aircraft: PIPER PA-25, registration: N8633L

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 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
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3-3532   81/9/5    SANDSTON,VA         PIPER PA-25         CR-  1  0  0  COMMERCIAL                COMMERCIAL, AGE 44, 4100
        TIME - 1330                    N8633L              PX-  0  0  0  AERIAL APPLICATION        TOTAL HOURS, ALL IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          SANDSTON,VA                 LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           AIRFRAME FAILURE: IN FLIGHT                              IN FLIGHT: SWATH RUN
        PROBABLE CAUSE(S)
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE MAINTENANCE AND INSPECTION
           AIRFRAME - WINGS: SPARS
           MISCELLANEOUS ACTS,CONDITIONS - FATIGUE FRACTURE
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - SEPARATION IN FLIGHT
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL - 4050                       KIND OF OPERATION - SPRAYING CROPS
          KIND OF CROP - BEANS                                     TYPE OF CHEMICAL USED - LIQUID CHEMICAL-TOXIC
          PILOT' S SEAT BELT -FASTENED-PROPERLY                    GLOVES - NOT USED
          GOGGLES - NOT USED                                       CRASH HELMET - AVAILABLE USED
          CRASH BAR - INSTALLED                                    TANK/HOPPER-LOCATION - FORWARD OF PILOT
          TERRAIN-TYPE -LEVEL,FLAT                                 ELEVATION-AREA BEING TREATED-FEET -  150
          SWATH RUN-HOW FLOWN - WIND CALM
        REMARKS- LEFT WING SPAR FAILED IN FATIGUE AT WELD POINT.WELDING NOT AUTHORIZED ON SPAR.MECHANIC UNKNOWN.

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