Navionics Regions Canada Preloaded MSD Format. Navionics is a powerful electronic chart solution providing more regional marine and lakes content than other product on the market! Get detailed Nautical Chart, SonarChart 1' HD bathymetry map, and Community Edits plus dailyupdates for one year! Includes full marine coverage and more than 3,400 lakes in Canada and Alaska, plus all of Puget Sound, Lake of the Woods, Rainy Lake and Canadian waters of the Great Lakes. Nautical Chart and SonarChart are preloaded. Simply plug your card into your PC/Mac to download the most updated charts and Community Edits anywhere within the entire region. 16 GB card and USB reader included. Features Marine and lake charts. One foot contours. Canada and Alaska all in one. 3,400 lakes and growing. Daily updates Navionics is a powerful electronic chart solution providing more regional marine and lakes content Marine and lake charts. One foot contours Canada and Alaska all in one. 3,400 lakes and growing Daily updates