The ‘Quick Guide to ENC Symbols’ is a free and easy to use reference guide that can help you to identify some of the lesser known symbols found on ENCs. Each symbol covered in this guide can be quickly interpreted using the image, explanation and additional information provided to support safe navigation using ECDIS.
Download the Quick Guide to ENC symbols (119KB Version)
Some symbols also include a cross reference to the equivalent paper chart symbol covered in 'Symbols and Abbreviations used on ADMIRALTY Paper Charts' (NP5011). You can also find more information on ENC symbols in the ‘ADMIRALTY Guide to ENC Symbols used in ECDIS’ (NP5012). Both are available as paper publications and
Please note: ENC symbols shown in the Quick Guide to ENC Symbols are in daytime colours. They may be shown in different colours/shades in night-time palette. The guide is not intended to replace ECDIS Chart 1.