Davis Quick Reference Coastwise Piloting Card

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Quick Reference Coastwise Piloting CardAll the piloting information you need at your fingertips: dead reckoning basics, true and magnetic compass relationships, position finding, e stimating distance off, and current and leeway corrections. Helpful hints on chart reading, preparations, checklists, fog navigation, and depth soundings without a fathometer. Includes time, distance & speed calculator, relative bearing gauge for length-off calculations, and common chart symbols.Features: Plastic Waterproof Show more