ADMIRALTY Guide to ENC Symbols used in ECDIS

NP5012 is a guide to the Electronic Navigational Chart (ENC) symbols portrayed in Electronic Chart Display (ECDIS). The factors affecting the portrayal of ENC symbols in ECDIS are also explained. More comprehensive guidance and background is available in the United Kingdom Hydrographic Office`s Admiralty Guide to the Practical Use of ENCs (NP231).