These charts are used for referential purposes in navigation, scientific studies etc., furnishing various kinds of information such as geomagnetism, ocean currents, tidal streams, maneuver areas, set net fisheries.
Also included are: Pilot Charts, Position Plotting Sheets, Chart Symbols and Abbreviations in booklet, etc.
(Remarks)
The booklet of Chart Symbols and Abbreviations lists all sorts of symbols and abbreviations used on official nautical charts.
