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: 44766) my. Boden boat plans professionally designed ocean proven. thousands of boden designs have been built from the stock plans available. many have completed world circum.