Hull plans for an airboat 03-04-2008, 09:37 pm. never mind anything i said in the "bending aluminium" thread about building a boat. part of the conversation that brought up my friend’s idea was that i was talking about building an airboat for myself. the way you want to build an airboat hull is take a wide sheet of aluminum, cut the rake. Airboat. airboat is a mixture of airplane and boat with the thrills of both. it’s a boat powered by an airplane-type propeller with above-the-water rudders that is capable of skimming over a few inches of water and vegetation. airboat plans & patterns plus one extra set: order this if you want an extra set of plans & patterns included (only. Specmar inc (previously specialty marine contractors) is an aluminum boat design, and lofting company. we have a large product line including aluminum drift boats, aluminum landing craft, aluminum monohull boats, aluminum catamarans, aluminum special purpose boats, and aluminum ribs (rigid inflatable boat)..