MapMedia Mega Wide Raster Chart: MWRMNA80MAP - Canada (Update) O - Western Pacific Islands to make this volume self-contained

to make this volume self-contained

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1 Collapse and sinking of a small tanker following longitudinal failure

British Admiralty Nautical Chart  4468: Philippine Islands – Mindanao

LEV Local exhaust ventilation

MapMedia Mega Wide Raster Chart: MWRMNA80MAP - Canada (Update) O - Western Pacific Islands to make this volume self-containedHow 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