NTSB Identification: BFO89DIG01.
The docket is stored on NTSB microfiche number 39226.
Accident occurred Thursday, June 01, 1989 in PRESTON, MD
Probable Cause Approval Date: 09/09/1992
Aircraft: PIPER PA-25-235, registration: N4497Y
Injuries: 1 Minor.

THE ACCIDENT OCCURRED DURING AN AERIAL APPLICATION FLIGHT TO SPRAY A FIELD WHICH CONTAINED A 3 TO 4 FT TALL WHEAT CROP. THE PLT REPORTED THAT DURING THE SPRAYING OPERATION, HE FLEW UNDER POWER LINES WHICH CROSSED THE FIELD. WHEN DOING SO, THE MAIN GEAR CAUGHT THE WHEAT AND THE ACFT DESCENDED TOWARD THE TERRAIN. THE ACFT THEN NOSED OVER AND CAME TO REST INVERTED.

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

PILOT'S FAILURE TO MAINTAIN ADEQUATE CLEARANCE WITH THE WHEAT CROP AS HE PASSED UNDER THE POWERLINE DURING AN AERIAL APPLICATION SWATH RUN.

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