– r/c submarines for sale. these are a few r/c submarine projects that i have or know of for sale. if anything looks like it would be of interest to you, please email. 1.1 use definitions. sc1.1 use definitions. use definitions have a specific meaning for the purpose of the planning scheme. any use not listed in table sc1.1.2 column. The c&c 30 is a high-performance one-design that offers the thrill and technology of big-boat sailing in a size that’s fun, easy to sail, and affordable..