Glossary Archive

Echo

Pronounced: ECK-oh The term for the letter E in the NATO Phonetic Alphabet.




Echo Sounding

The result of measuring the depth of the water using a sonar device or Echo Sounder


ECMWF

A European intergovernmental organisation that provides medium-range weather forecasts for its member countries and the wider international community. The European Centre for Medium-Range Weather Forecasts (ECMWF) is an independent intergovernmental organisation supported by 34 European countries. It is renowned for its global numerical weather prediction model, which provides medium-range weather forecasts up to 15 days...


Code Flag Echo (E)

The International Maritime Signal Flag Echo. Meaning I am altering course to starboard.


Eco Mooring Buoy

A specially designed mooring system that allows vessels to anchor without damaging the seabed, particularly sensitive habitats like seagrass beds or coral reefs. An eco mooring buoy is a type of environmentally friendly mooring system that minimises or eliminates contact with the seabed, thereby protecting fragile marine ecosystems. Unlike traditional moorings, which often use heavy...


Electronic Chart Display and Information System

An Electronic Chart Display and Information System (ECDIS) is a geographic information system used for nautical navigation that complies with IMO regulations as an alternative to paper nautical charts. IMO refers to similar systems not meeting the regulations as Electronic Chart Systems (ECSs).


Electronic Navigation Chart

A digital database of maritime chart information designed for use with Electronic Chart Display and Information Systems (ECDIS) to support safe navigation at sea. An Electronic Navigation Chart (ENC) is a critical tool in modern maritime navigation, providing a digital representation of nautical chart data that complies with the International Hydrographic Organization (IHO) standards. ENCs...