Only thing you can do is get admins

Bassicly what he does is spawn say a sheet of metal that doesn't float, then he puts a fence or w.e in the air then they weld them togther.

People can shoot the prop he's on or the one in the water to make him fall. But even if they do there is a way for skybasers to stop this happning. I wont say because people will do it :/

I say ban the guy. Or at least some kind of reprimand..

For your information, Lemmiwinks was banned yesterday from the Flood server for teaching another guy how to do the old trick.

That's fucking fantastic!