Nobeltec Admiral 11 works with C-Map MAX Pro charts and has support for Microsoft Windows 7 and XP.C-Map by Jeppesen, the leader in digital mapping, delivers the most navigation data while maintaining the highest level of accuracy. In short, Nobeltec presents the incomparable functionality of Admiral 11 - along with the highest quality MAX Pro charts and additional data layers - to deliver a comprehensive, feature-rich navigation solution. Admiral 11 gives you all the features found in VNS 11 including Microsoft Windows 7 support, improved depth contour and night mode display options, and a handy Undo feature. Augment your system with add-ons: Sailing Plus Pack with new Windvantage Weather Router, Weather Plus Pack (now works with both Sirius and XM data receivers), Bathy Recorder Plus Pack, Tender Tracker Plus Pack, and Raster Plus Pack. Additional Admiral 11 features include four fully-customizable NavInfo panels for immediate display and histogram representation of key navigation data, a hand panning tool, GPS signal strength, trip odometer display, advanced multi-monitor support, GlassBridge Network, data sharing, track line coloring, dual radar support, vessel scaling, AIS filtering, and the easy-to-use NavView touch-screen, with a big-button user interface.