A thoroughly modern and up-to-date text that runs through all the basics of GPS, navigational applications, technical pitfalls, wrinkles and the best techiques to use to get the best out of this wonde...» more info

This handy pocket-sized guide is the perfect on-board reference to the maritime flags of the world and their usage. It includes national maritime flags, special ensigns, yacht club burgees, signal fla...» more info