U.K. Report Finds manned Helicopters At Greatest Risk From Consumer Drones

http://www.aero-news.net/index.cfm?do=main.textpost&id=5d8036c8-8ac2-437f-94ef-43344f608afe


http://www.helicopterinvestor.com/articles/helicopters-at-highest-risk-from-consumer-drones-438/