Supplied on a prepaid card, where you can download the area you want via www.navionics.com. It requires a PC with a card reader.
Navionics electronic charts contain more information than printed charts. Navionics charts are a fundamental tool for navigation with water depths, navigation aids, descriptions of possible obstacles and other information necessary for safe sailing. Comes on SD/Micro SD.
See current coverage area at www.navionics.com and check if your plotter can run new Navionics+ charts.
