MapMedia C-Map Wide Vector Chart: WVJAFM209MAP - Africa - East (Update) Gulf of Saint Lawrence 5 The role of a

5 The role of a Society

British Admiralty Nautical Chart 1448: Mediterranean Sea

Job Descriptions and What They Mean \ 9

2 Conveyors

The barometer at the top of the dial is a holosteric

MapMedia C-Map Wide Vector Chart: WVJAFM209MAP - Africa - East (Update) Gulf of Saint Lawrence 5 The role of aHow 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