Our boat trailer plans feature the most modern, up-to-date, and technologically advanced features available to give you a boat trailer thats equal or superior to. A 9 metre steel power catamaran for long distance economical cruising. the alternative way of spacious live a board cruising under power. also available in aluminium. This page provides a list of our currently available boat plans, a link to the web page for each design, and a price for each design. incomplete or ‘semi-stock.