C-Map 4D Chart AF-D213: Sao Tome & Principe Islands (Update) Content:4D Max+ This section sets the stage

This section sets the stage for understanding the complexity of modern towing operations

Water flushing at SPM’s

On the other hand

British Admiralty Nautical Chart  4264: Paso Del Mar to Islotes Evangelistas is a standard nautical chart

British Admiralty Nautical Chart 517: Trinidad to Cayenne is a standard nautical chart

C-Map 4D Chart AF-D213: Sao Tome & Principe Islands (Update) Content:4D Max+ This section sets the stageWhy 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