Digital Nautical Chart (DNC)

The Digital Nautical Chart (DNC®) is a vector-based digital product that is designed to provide the mariner with an up-to-date seamless database of the world.

The Digital Nautical Chart database is based on and developed from the feature content of NGA and National Ocean Service hard copy charts.

The features depicted are thematically organized into 12 layers or coverages including: Cultural Landmarks, Earth Cover, Environment, Hydrography, Inland Waterways, Land Cover, Limits, Aids to Navigation, Obstructions, Port Facilities, Relief, and Data Quality.Related Topics Link IconRelated Topics

Note: More information is available at the National GeoSpatial-intelligence Agency.


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