Power boats between 17 and 20′ loa. some with cabin. tech support. the best technical support: we will help you succeed! all our plans and kits come with full technical support.. Boat plans for a 16′ outboard garvey hull built in stitch and glue plywood or aluminum. #512 a 15′-9" stitch and glue or aluminum garvey hull with center console characteristics plywood aluminum; length. This boat is easy to build using our downloadable boat plans. our boat plans are available for instant download so you can start building right away. available in pdf file formats, each plan includes drawings showing.