NTSB Identification: CHI97LA150.
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Accident occurred Thursday, May 29, 1997 in ILLINOIS CITY, IL
Probable Cause Approval Date: 09/30/1997
Aircraft: Grumman G164, registration: N474Y
Injuries: 1 Serious.

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 pilot was conducting an agricultural spraying operation when the airplane hit a static wire at the top of a power line. The pilot was flying parallel to the power line during the spraying operation. Witnesses reported that the pilot began a pull up and left turn, when the airplane's left wing tip struck the static wire. Aircraft and engine examinations did not reveal any discrepancy. The pilot said that he failed to keep the power line foremost in his mind, and that he was looking past the wires to the far end of the pasture that he was spraying and did not see the wire that the airplane hit.

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

failure of the pilot to see and maintain clearance from a static wire. The proximity of the wire was a related factor.

Full narrative available

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