MapMedia Wide Raster Chart: WRMNA912MAP - Central America (Update) Download - A link to download the chart will be emailed:SD Card - Chart To be loaded onto a SD Card for NavNet 3D System national defense

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MapMedia Wide Raster Chart: WRMNA912MAP - Central America (Update) Download - A link to download the chart will be emailed:SD Card - Chart To be loaded onto a SD Card for NavNet 3D System national defenseHow MapMedia electronic charts are updated To meet the needs and safety of users, MapMedia updates its vector charts once or twice a year, according to the chart providers' updates, and once a year for raster charts. It is of course, extremely important for boaters to keep their charts up to date, in order to ensure the safety of all passengers onboard. Corrections, improvements and changes are made on a daily basis by the Hydrographic Services and by