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Another question regarding the rules. I've made a Mk-2 Fuselage Hydrofoil Boat to circumnavigate Laythe. The question is, are Hydofoils & Wing-In-Ground-Effect Vehicles allowed? Those things rocks, by the way!

Basically a question every of us scratches our head; which versions of my craft compatible with? I also got this issue, and about to be ready to submit a craft to Kerbal Express Airlines challenge. I currently have 1.1 and is my crafts compatible with 1.3, 1.4 and above? And what game versions of craft origin is compatible with which version?

Nokia 3310 fills nothingness, hence killing nothing.

Elegant aircraft, but any slips happened? I think rudders needed for improvement on stability.

I'm worried if the upper plane tips over and exploded just before takeoff. Any guarantees? It feels unsafe...

I think Callisto's Cargo Plane has a 'little' messy design if used in 1.0.5 until 1.2 Beta, or above. Now, we already have the finest Cargo Plane Parts among other parts in older version. It even gives you Cargo Doors and for addition, we have Turbofan Jet Engines in 1.0.5 and above. Callisto, the message I wrote above isn't for insulting, but your design needs a little bit tweaking with the usage of some mods.

There's might be a little sideslip during test flight because it has no main rudder on it. Looks like a Near Future aircraft.