It's easy to forget the procedures and find yourself lost or in danger!
All the piloting information you need at your fingertips: dead reckoning basics, true and magnetic compass relationships, position finding, estimating distance off, current and leeway corrections. Helpful hints on chart reading, preparations and checklists, fog navigation, and depth soundings without a fathometer. Includes time, distance & speed calculator, relative bearing gauge for distance off calculations, common chart symbols.
Part of Davis' family of heavy weight, high-strengh plastic, weatherproof, professionally prepared quick reference cards. Each is printed both sides in full color, 3-hole punched for binder of bulkhead mounting, 8 1/2 x 11 inch size.