Profile. arrangement. the coastal passage 30 was designed to fill a niche in the small trawler market. designed in collaboration with chesapeake marine design. Welcome to the plans and fittings section. to help you to find what you’re after, you can use the filters on the left hand side of the page to refine the choices. Boat plans catalog – 300 boats you can build! new – electrical design plans; boatbuilding supplies & epoxy; inboard hardware; books & dvds; raptor® fastenings.