ARCS chart data is produced by the UK Hydrographic Office and is supplied on a series of 11 CD-ROMs. The 11 Regional Coverage (RC) CDs supplied are:

• RC1 North Sea and English Channel to Gibraltar
• RC2 British Isles (west coast) and Iceland
• RC3 Northern Waters and Baltic Sea
• RC4 Mediterranean and Black Sea
• RC5 Indian Ocean (northern part) and Red Sea
• RC6 Singapore to Japan
• RC7 Australasia, Borneo and Philippines
• RC8 Pacific Ocean
• RC9 North America (east coast) and Caribbean
• RC10 South Atlantic and Indian Ocean (southern part)
• RC11 Ocean Charts (one overall CD for the worlds oceans)

ARCS CD coverage