MapMedia C-Map Wide Vector Chart: WVJENM326MAP - Finland Lakes (Update) North & Central Europe 8 Celestial Navigation

8 Celestial Navigation

It covers the Gulf of Finland

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MapMedia C-Map Wide Vector Chart: WVJENM326MAP - Finland Lakes (Update) North & Central Europe 8 Celestial NavigationHow 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