MapMedia C-Map Wide Vector Chart: WVJNAM044MAP - US Lakes - South Central (Update) Gift Shop **Comprehensive Audit Pages**: Keep thorough

**Comprehensive Audit Pages**: Keep thorough records of received Weekly Notices to Mariners

The International Maritime Organization (IMO) plays a pivotal role in enforcing this convention to ensure better management of hazardous substances at sea

288)—Institute freight war & strikes

Edition #: 43

Making and Placing Bungs

MapMedia C-Map Wide Vector Chart: WVJNAM044MAP - US Lakes - South Central (Update) Gift Shop **Comprehensive Audit Pages**: Keep thoroughHow 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