NTSB Identification: NYC99GA234.
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Accident occurred Wednesday, September 22, 1999 in RANDOLPH, NY
Probable Cause Approval Date: 08/03/2000
Aircraft: Bell 206L-1, registration: N17SP
Injuries: 2 Serious.

: NTSB investigators either traveled in support of this investigation or conducted a significant amount of investigative work without any travel, and used data obtained from various sources to prepare this public aircraft accident report.

The pilot was conducting a drug eradication mission. He was flying in a valley, toward the sun, approximately 200 feet above ground level, when the helicopter struck utility wires. The towers, which supported the wires, were below the tree line. The wires were depicted on the current Detroit Sectional Aeronautical Chart.

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

The pilot's failure to maintain visual separation from the wires. A factor was sunglare.

Full narrative available

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