C-Map Max Chart RS-M219: Moskva, Oka, Volga And Onezhskoe Lake (Update) Oceania Flags appearing as a navy blue

appearing as a navy blue background crossed by two receded red stripes that are outlined in white

Panel Name Left panel

and over 60 GPS Waypoints

with red at the top and the bottom

C-Map Max Chart RS-M219: Moskva, Oka, Volga And Onezhskoe Lake (Update) Oceania Flags appearing as a navy blueWhy Update Your C Map Chart? Why Update Your C Map Chart? It is very important that the latest C Map charts are used when sailing out in the open water for safe navigation purposes. The C Map electronic chart libraries get updated twice a year to coincide with popular boating sessions. Included in the library updates are the latest notice to mariner updates from government hydrographic offices, updates to marina facilities, port services, photos and