C-Map Max-N Chart NA-N830: Prince william Sound (b) (Update) Bridge Log Books and clarified with more than

and clarified with more than 100 excellent line drawings

8 The Antenna

ECHOMAP Plus series

Communications – information on current maritime communications including GMDSS

red at the top and finishing with white at the bottom

C-Map Max-N Chart NA-N830: Prince william Sound (b) (Update) Bridge Log Books and clarified with more thanWhy 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