altair industries driftboat plans altair offers complete plans and a construction guide for a 16′ mckenzie river drift boat. (added: 2-dec-2003 hits: 45653) my. We have the best range of professionally designed steel, aluminium and timber plans available. sport, dive, fishing or cruising designs for recreational or commercial. Boat plans, yacht designs and boat kits for boats built from wood epoxy, plywood, fiberglass, steel and aluminum, boats plans for round bilge, multi-chine and radius.