NTSB Identification: DEN85LTK02.
The docket is stored on NTSB microfiche number 28796.
Accident occurred Friday, August 23, 1985 in YANKTON, SD
Aircraft: PIPER PA-25-235, registration: N9748P
Injuries: 1 Minor.

NTSB investigators may not have traveled in support of this investigation and used data provided by various sources to prepare this aircraft accident report.

THE ACFT DESCENDED UNCONTROLLED INTO THE TERRAIN AFTER IT CONTACTED A POWER LINE DURING AN AERIAL APPLICATION FLT. WITNESSES REPORTED THE ACFT APPEARED TO PULL UP AT THE WEST END OF THE 40 ACRE FLD, HOWEVER, IT DID NOT CLEAR THE LINES AND IT NOSED OVER INTO ANOTHER FLD. THE INSECTICIDE BEING SPRAYED WAS ETHYO/PARATHION. THE PLT WAS COVERED WITH THE CHEMICAL DURING THE ACCIDENT BUT WAS HOSED OFF WITHIN 5 MINUTES AFTER THE ACCIDENT.

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

VISUAL LOOKOUT..INADEQUATE..PILOT IN COMMAND

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

CLEARANCE..NOT MAINTAINED..PILOT IN COMMAND


Contributing Factors

OBJECT..WIRE,TRANSMISSION

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