MapMedia Navionics Mega Wide Vector Chart: MWVNRS40XGMAP - Central Volga River (Update) West Asia Flags This comprehensive chart maintenance log

This comprehensive chart maintenance log provides a systematic approach to record chart corrections

in the hopes that both visitors to our nation's ports and our maritime law enforcement personnel will read the same material that guides this program and thereby simplify and standardize compliance

a board of experts made up of naval and Coast Guard officers

819Paper Size: 36

Chart Settings and Display Setup

MapMedia Navionics Mega Wide Vector Chart: MWVNRS40XGMAP - Central Volga River (Update) West Asia Flags This comprehensive chart maintenance logHow 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