THE PILOT WAS SPRAYING A LARGE FIELD WHICH HAD A POWER LINE ALONG THE NORTH SIDE. ON THE 1ST COUPLE OF PASSES, THE SPRAY EQUIPMENT HAD INTERMITTENT MALFUNCTIONS. AS THE AIRCRAFT APPROACHED THE FIELD FROM NORTH FOR THE 4TH PASS, IT STRUCK THE UPPER CABLE OF THE POWER LINE, THEN CRASHED IN THE FIELD. ACCORDING TO THE PILOT & A WITNESS, THE WINDS WERE VARIABLE WITH WHIRLWIND ACTIVITY IN THE AREA.

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

Contributing Factors

WEATHER CONDITION..UNFAVORABLE WIND

Contributing Factors

SPRAY/DUSTING EQUIPMENT..ERRATIC

Contributing Factors

OBJECT..WIRE,TRANSMISSION

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