C-Map Max-N+ Chart NA-Y957: San Juan Islands To Nigei Island (Update) Mediterranean Sea - Eastern Basin 6 Access to Hazardous Areas

6 Access to Hazardous Areas from Enclosed and Semi-Enclosed Non-Hazardous Areas

15-inch Parallel Rule (145)

The contrasting black and red numbers on the compass card make it quick

and the 90° angle is helpful when determining lines of position

C-Map Max-N+ Chart NA-Y957: San Juan Islands To Nigei Island (Update) Mediterranean Sea - Eastern Basin 6 Access to Hazardous AreasWhy 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