Stats show small drones pose 'minimal' risk to planes
 

Small drones -- the common consumer ones weighing under 4.41 pounds -- pose very little risk to planes, according to a new study by George Mason University's Mercatus Center. Since people have only begun buying up UAVs recently, the team took 25 year...

http://www.engadget.com/2016/03/17/s...isk-to-planes/