altair industries driftboat plans altair offers complete plans and a construction guide for a 16′ mckenzie river drift boat. (added: 2-dec-2003 hits: 44606) my. Fast-g stitch and glue plywood. this quick and easy boatbuilding method consists of plywood planking panels cut to shape from full-size patterns which are “stitched. Spira international wooden boat plans. following are the stock plans available for the various types of boats, separated into the different categories..