C-Map 4D Chart NA-D048: Canada Lakes (Update) Content:4D Max+ 2 Methods for assessing competence

2 Methods for assessing competence

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A terrific chart for planning and passage making

This publication is in continuous revision to ensure accuracy and relevance in maritime navigation

British Admiralty Nautical Chart 4127: China - Hong Kong

C-Map 4D Chart NA-D048: Canada Lakes (Update) Content:4D Max+ 2 Methods for assessing competenceWhy 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