CMAP MAX Electronic Charts: Bring your electronic charts to life with MAX, the ultimate navigator, and make cruising, sailing and fishing easier, safer and more fun. You’ll benefit from the most accurate chart detail, versatile features and a wealth of important data. C-MAP MAX NA-M028 - Alaska - C-Card Coverage: Coverage of the southern Alaska coast from Dixon Entrance up and over to Kodiak Island. Includes all of the Aleutian Islands out to Attu Island, Bristol Bay, and the North Slope over to Liverpool Bay in the Yukon Territory, Canada. Additional coverage of the MacKenzie River down to the 1160 km distance marker. More Features and Specifications