Boat plans for power, sail and small boats. free boat plans. boat kits and supplies plus the best boat building technical support.. Glen-l fiberglass covering kits what they contain….. every fiberglass covering kit is a complete package specifically prepared for the glen-l wood/plywood design.  altair industries driftboat plans altair offers complete plans and a construction guide for a 16′ mckenzie river drift boat. (added: 2-dec-2003 hits: 44816) my.