$47.95
The Nautical Almanac For The Year 1981 Data in this book are no longer valid for navigation. It is preserved in print because many training programs (including USCG and US Navy ) use examples from 1981 to teach celestial navigation....
$20.95
Outdated nautical charts reproduced and for navigation classes and education to train navigation skills without the expense of corrected charts. Includes: 13205TR Block Island Sound 12221TR Chesapeake Bay Entrance 12354TR Long Island Sound, Eastern Part