C-Map Max Chart EW-M135: Portugal Coasts (Update) Training Record Books Quick Reference: This volume provides

Quick Reference: This volume provides easy access to crucial data needed to calculate altitude and azimuth

With this book

Basic instructions are included on the back of the plastic protective sleeve

Produced in association with the World Conservation Union of the International Union for Conservation of Nature and Natural Resources

C-Map Max Chart EW-M135: Portugal Coasts (Update) Training Record Books Quick Reference: This volume providesWhy Update Your C Map Chart? Why Update Your C Map Chart? It is very important that the latest C Map charts are used when sailing out in the open water for safe navigation purposes. The C Map electronic chart libraries get updated twice a year to coincide with popular boating sessions. Included in the library updates are the latest notice to mariner updates from government hydrographic offices, updates to marina facilities, port services, photos and