C-Map 4D Chart NA-D036: Us Coastal & Rivers Continental (Update) Content:4D Max+ It is the mariner's duty

It is the mariner's duty to ensure ongoing chart corrections to comply with SOLAS regulations and uphold the highest standards of safety at sea

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C-Map 4D Chart NA-D036: Us Coastal & Rivers Continental (Update) Content:4D Max+ It is the mariner's dutyWhy 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