C-Map Max Chart EW-M307: Cherbourg To Cap Frehel (Update) The Coastal Waters of Southeast Alaska and British Columbia and unique position as a

and unique position as a divided island

North Limit 19� 04'

British Admiralty Nautical Chart 1338: Seria to Balabac Strait including Investigator Shoal is a standard nautical chart

88 Plotted and Indexed GPS Positions for reefs

Oil and chemical tanker tonnage categories

C-Map Max Chart EW-M307: Cherbourg To Cap Frehel (Update) The Coastal Waters of Southeast Alaska and British Columbia and unique position as aWhy 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