Boat plans for power, sail and small boats. free boat plans. boat kits and supplies plus the best boat building technical support..  altair industries driftboat plans altair offers complete plans and a construction guide for a 16′ mckenzie river drift boat. (added: 2-dec-2003 hits: 44715) my. Plans to build the 19′ sabine flats fishing boat. the bayou jubilee proved to be a very successful design, but some others wanted something a bit wider so they could.