VUS517L Covers:Detailed coverage of Alaska from Prince of Wales Island to Point Lay on the North Slope including Glacier Bay the Kenai Peninsula and the Aleutian Chain in full. Bathymetric coverage of the Gulf of Alaska Bristol Bay and United States waters in the Chukchi and Bering Seas and along the entire Aleutian chain including the Surveyor Seachannel Aleutian Trench Umnak Plateau Chirikof Basin and Hope Seavalley.BlueChart g2 VisionWhat is Bluechart® g2 Vision?Plug an optional BlueChart g2 Vision SD card into your new Garmin chartplotter and tremendously expand its capabilities. By adding a BlueChart® g2 Vision card to your compatible chartplotter you ll have access to premium mapping features such as true 3D-view detailed mapping capabilities (both above and below the waterline) plus helpful Auto Guidance high-resolution imagery and real picture aerial photos of ports harbors marinas waterways navigation landmarks and other points of interest. BlueChart g2 Vision Features:BlueChart g2 Vision SD cards enhance the preloaded maps on your chartplotter and add a whole new dimension of exceptional features such as:High resolution satellite imagery when overlaid on the chart provides the mariner with unparalleled situational awareness. Aerial reference photography provides real world photos of ports harbors marinas waterways navigation landmarks and other points of interest offering the mariner another powerful tool for navigating unfamiliar waters. Mariner s Eye View perspective provides a bird s eye view from behind the boat showing the chart information for a quick reliable and easy position fix. Fish Eye View 3D perspective provides an underwater view that visually represents the sea floor according to the chart s information. Auto Guidance technology searches chart data to suggest the best passage to a destination. Fishing charts allow the mariner to hide navigation data from the SD card while leaving the bottom contours and depth soundings for their next fishing adventure. Includes tides currents marine services coastal roads and points of interest. Detailed BlueChart g2 maps are included on the card to supplement the maps on your chartplotter. BlueChart g2 Vision Compatibility:4x0 Series400x Series420x Series5x0 Series500x Series520x SeriesProduct : GARMIN VUS517L ALASKA SOUTH G2 VISION Manufacturer : GARMIN CHARTS Manufacturer Part No : 010-C0887-00 UPC : 753759072827- SKU: CW31928