A 900-pound chainsaw hung 75 feet below a helicopter as a pilot's steady hand and watchful eye guided all 10 blades along a tree line, just 25 feet from 69 kV transmission lines. Emergency managers say it's a safe operation.
A 900-pound chainsaw hung 75 feet below a helicopter as a pilot's steady hand and watchful eye guided all 10 blades along a tree line, just 25 feet from 69 kV transmission lines. Emergency managers say it's a safe operation.
