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Mr. Treadwell and his association used the backdrop of the convention this week to release long-awaited recommendations for lawmakers drafting such bills.

Among other things, Mr. Treadwell said, states should consider requiring warrants for government surveillance of individuals or their property; prohibiting the “repurposing” of data collected by drones, an effort to keep police departments or other entities from simply collecting mass information on millions of Americans, keeping it and using it however they wish indefinitely.

He also raised the prospect that states write laws to keep drones from being armed in commercial airspace, restrictions that already apply specifically to fixed-wing planes and helicopters alongside the military’s use of those aircraft for bombing and strafing.

Those and other measures could help calm concerned Americans who otherwise could stand in the way of an advancing sector, Mr. Treadwell said.

“If you don’t stand up for privacy, there will be no [drone] industry. But in the end, we want both,” he said.

AUVSI continues to back efforts to implement smart drone privacy rules, but says any new laws or regulations should be broad in nature and not specifically target unmanned vehicles.

“Our approach is that you have to deal with this in a technology-neutral way,” said Ben Gielow, AUVSI’s general counsel and government relations manager. “You have to deal with the data issue.”

If laws focus only on drones and other existing products, he said, they could become obsolete as technology advances.