Professionally designed for use with the marine navigation and air navigation sight reductions tables as well as the Nautical Almanac. Work forms simplify calculations and reduce the chance of making an error. Used by experienced, active navigators as well as those learning to navigate. Each pad consists of 50 work forms and a transparent, waterproof press-to-seal carrying case. Pads are 3-hole punched for easy insertion into the navigator's workbook. Step-by-step instructions and four completed examples (Sun, planet, Moon a stars) are included with each pad.
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