DNC data dictionaries

The links below allow you to open the data dictionaries that correspond with the different scales for Digital Nautical Chart (DNC) data, as well as the extraction guide.

• Approach Library data dictionary
• Coastal Library data dictionary
• DNC extraction guide
• General Library data dictionary
• Harbor Library data dictionary

Nota:

You can view the data dictionaries if you have opened the ArcGIS Desktop Help from Start > All Programs > ArcGIS > ArcGIS for Desktop Help > ArcGIS 10.6 for Desktop Help.

If data dictionaries are downloaded from the WebHelp, you must unblock the files before you can view them. To unblock the files, right-click the data dictionary CHM file and click Properties. Click Unblock on the General tab, then click OK.