A few people have been killed by RC helicopters (see e.g. http://abcnews.go.com/US/minute-mechanical-error-led-teens-remote-control-helicopter/story?id=20182547

A few people have been killed by RC helicopters (see e.g. http://abcnews.go.com/US/minute-mechanical-error-led-teens-remote-control-helicopter/story?id=20182547 http://abcnews.go.com/US/minute-mechanical-error-led-teens-r...). A man was killed by a larger drone when, it's suspected, the GPS was jammed: http://lemondronor.com/blog/index.php/2013/3/gps-loss-kicked-off-fatal-drone-crash http://lemondronor.com/blog/index.php/2013/3/gps-loss-kicked...