http://forums.bukkit.org/threads/mech-fun-airjump-jump-in-the-air-1-2-5-r1-0.67271/

It's nothing to do with flying.....and there's limitation on that...

I feel it's good because it does and able to provide some secure for creative builder...and of course part of it also fun in PVP or adventure..

I'm pretty sure NC would spam the staff with this.

lol