Nineteen year old Roman Pirozek of Queens, New York was flying a gas powered remote controlled helicopter in a park near Bay 44th Street and Shore Parkway in Gravesend Brooklyn when its two feet long turbine blades struck him in the head and killed him.
The teenager was an avid flier of remote control helicopters and was reportedly very good at it.
As the photo shows, RC Helis can chop a head up much like machetes.
ConduciveMammal tipped us on the video of the teen flying one of those beasts. It’s easy to see how it could chop a head up like that from the video: