Magellan MapSend BlueNav North America Salt/Freshwater Map CD-ROM (Windows) Includes 83 local North America navigational charts on one CD-ROM The most complete range of detailed marine cartography available Port Service Guides help you to find the nearest services or closest port in an emergency Highly detailed plans make your approach to unfamiliar ports safer and easier. For use with your Magellan FX324 MAP, FX324 MAP Color and Meridian Gold, Marine, Platinum or Color GPS receiver