See targets and structure in bright
Transducer safe - Airmar certifies that Foulfree™ coating on its transducers results in no loss in transducer performance
which can also be used to add a becket for extra purchase
Mark 3 Marine Sextant
Classic 5104 Specifications
Davis Quick Reference Coastwise Piloting Card Boat Optimist See targets and structure inQuick 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,