I've looked around and there are mods that allow you to craft small flying vehicles. Airplanes in one, and a small steampunk airship in the other. We're only talking like 4-8 blocks though.
"The way I see it, every life is a pile of good things and bad things. The good things don't always soften the bad things. But vice versa, the bad things don't necessarily spoil the good things or make them unimportant."