Justin Chi. 4 years and 8 months at the time of this video. If you have never done RC you have no idea how difficult this is.

http://www.youtube.com/watch?v=uzIqSNb8RRQ

I saw some guys out in Sarasota the other day with those things. And they weren't even getting close to those kinds of maneuvers.

I could do all that - just not on purpose and the landing wouldn't be too smooth. :D