The initial use for drones for farmers just went out the window..
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U.S. farmers hoping to use drones to locate lost livestock or monitor trouble spots in their fields were disappointed by what they say are overly restrictive commercial drone rules proposed Sunday by the Federal Aviation Administration.

Two of the long-awaited draft rules were singled out for particular criticism: a requirement that pilots remain in visual contact with their drones at all times and a height restriction that limits the crafts to flying no more than 500 feet above ground. These constraints, farmers and drone operators say, would limit a drone’s range – and consequently its usefulness.