Airboat. --Unofficial contest: bloating

Rules
- can't submerged ever
- must be on top of the fluid 100% of the time
- no rockets,thrusters,lua,stabilizers
- must be a derative of this level
- must be titled my entry: "name of poop"
-nothing can be 99999 density(it won't touch the water if you do so)
- must allow deratives
- can't have any butt control
Have fun