Davis Quick Reference Coastwise Piloting Card [126] Brand_Actisense 6 AH LI lightweight and

6 AH LI lightweight and powerful

So size for size

Ease of Use – No twist required

Power extension cable for modules connection

Guardian G-7 - Crown

Davis Quick Reference Coastwise Piloting Card [126] Brand_Actisense 6 AH LI lightweight andQuick Reference Coastwise Piloting Card All the piloting information you need at your fingertips: dead reckoning basics, true and magnetic compass relationships, position finding, estimating 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,