This is the most recent update edition of The American Practical Navigator, the definitive work on navigation. p This encyclopedic work combined the best technologies of each generation of navigator. p This edition includes the latest advances in electronic navigation and digital charting technology. It also covers non electronic navigation such as celestial, plotting and dead reckoning. p Contains numerous tables which have been valued for years by practicing navigators. This Manual is carried on the bridge of every U.S. Navy ship and should be the mainstay of any serious navigator's library.