BlueChart g2 Vision HD - VUS034R - Aleutian Islands - microSD/SD. Coverage: The Aleutian Islands from Attu Island to Cold Bay including Adak Station and Unalaska. Also covers the Pribilof Islands including St. Paul Island and St. George Island. Premium Mapping and Graphics Capabilities. Detailed nautical charts in vector object oriented format derived from government charts and private sources to provide port plans depth contours navigational aids and tides and currents in a seamless chart presentation. Shaded depth contours and intertidal zones with spot soundings. Aerial photos of ports marinas bridges and navigational landmarks and realistic view from space high-resolution satellite imagery. Up to 1-foot HD contours provide a more accurate depiction of bottom structure for improved fishing charts and navigation in swamps canals marinas and port plans. Garmin Auto Guidance 3.0 technology is now capable of providing routing guidance to virtually any accessible destinati