Navionics Regions West 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 Canadian waters of Puget Sound plus more than 2,600 lakes in AZ, CA, CO, ID, MT, ND, NV, OR, SD, UT, WA and WY. 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. AZ, CA, CO, ID, MT, ND, NV, OR, SD, UT, WA and WY all in one. 2,600 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 AZ, CA, CO, ID, MT, ND, NV, OR, SD, UT, WA and WY all in one. 2,600 lakes and growing Daily updates