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About 30 yards away, an eight-rotor unmanned copter hovered, buzzing like a swarm of bees. The 21-pound drone tilted forward, accelerated sharply and slammed into Hank's head, smacking the crash-test dummy's neck backward and embedding shards of shattered propeller in his plastic face.
There is little disagreement that the small- and medium-sized drones flooding the U.S. market can seriously injure or even kill someone. Understanding and minimizing the risk will be key to convincing regulators to expand their permitted uses, clearing the way for plans by Amazon.com Inc. and Alphabet Inc. to have them deliver packages or news outlets such as Time Warner Inc.’s CNN to use them for aerial video.
“What we need to understand, really, is at what level does injury become death?” said Mark Blanks, director of the government-approved drone test center based at Virginia Tech’s Blacksburg, Virginia campus. “When does the threshold cross an unacceptable level?”
While the FAA liberalized restrictions on drones flown for hire last summer, in most cases they still can’t be flown directly over people or for long distances. The agency had planned by the end of 2016 to unveil a proposal to allow drone flights closer to people but that has been delayed over security concerns.
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