Glossary Archive

The International Maritime Signal Flag Charlie. Meaning Affirmative.If appended with a Numeral Pennant, a Magnetic Bearing.

The CEVNI Test Online is a certification required for those navigating inland waterways in Europe. The test covers the European Code for Inland Waterways (CEVNI), including navigation rules, signage, and operational requirements. This online exam ensures participants understand the specific regulations governing inland navigation, making it a vital qualification for those seeking the International Certificate...

Chafing is damage or wear caused by friction between two surfaces, such as ropes rubbing against a boat's railing or sails rubbing against a mast. If not addressed, chafing can weaken materials and lead to potential safety hazards. Protective coverings or guards can be used on vulnerable areas to prevent chafing to reduce friction and...

A fitting which is bolted to the hull, to which the shrouds are attached

A strong metal plate, usually stainless steel, bolted to a boat’s hull or deck to which the shrouds or stays of the rigging are attached.  Chainplates are critical structural components of a sailing vessel, serving as the secure attachment points for the standing rigging that supports the mast. They are typically made of stainless steel...

A shop which sells nautical equipment

A navigable waterway, often a natural or dredged passage, that allows vessels to travel between larger bodies of water or through shallow areas. A channel in maritime contexts refers to a specific route or passage in a body of water that is deep enough for vessels to navigate safely. Channels can be naturally occurring, such...

Pronounced: CHAR-lee The term for the letter C in the NATO Phonetic Alphabet.

A detailed map used in marine navigation, showing water depths, hazards, and other critical information for safe passage. A marine chart is an essential tool for navigators, providing a graphical representation of a specific body of water and its surrounding features. Unlike a general map, a chart is designed specifically for maritime use and includes...

Reference level on charts and for use in tidal predictions. It is approximately the lowest the tide is ever expected to fall because of astronomical phenomena, also known as Lowest Astronomical Tide (LAT)