Glossary

A navigational situation where two vessels maintain the same relative bearing to each other while the distance between them diminishes, often...

A vessel whose ability to deviate from its current course is significantly restricted due to the depth of water relative to its draught.

A...

A line on a nautical chart that connects points of equal depth below the water's surface, representing the underwater topography.

A contour...

The primary time standard by which the world regulates clocks and time serving as the basis for civil time globally.

Coordinated Universal...

The apparent deflection of moving fluids, such as air or water, caused by the Earth's rotation, influencing large-scale ocean currents and wind...

An international satellite-based search and rescue system that detects and locates distress signals from emergency beacons to assist in maritime,...

The actual path a vessel follows over the surface of the Earth, as opposed to its heading or intended course.

Course Over Ground (COG) is a...

The compass direction a vessel must follow to reach a planned destination, taking into account the effects of wind, tide, and current. It is not...

A national flag flown by a visiting vessel in foreign waters as a gesture of respect to the host country.

A courtesy ensign is a flag flown by...

Used primarily in maritime and aviation contexts to describe the shortest distance that will be achieved between two moving objects, such as...

A type of plough anchor renowned for its hinged shank and ability to reset itself effectively in various seabed conditions.

The CQR...

A type of plough anchor renowned for its hinged shank and ability to reset itself effectively in various seabed conditions.

The CQR...

The group of individuals who work together on a vessel or ship to operate, maintain, and navigate it. Depending on the type and size of the...

A cringle is a small metal ring or grommet typically sewn into a sail to provide a point for attaching lines or other rigging. Cringles reinforce...

Sea area of the Met Office Shipping Forecast. Lies off the east coast of Scotland, near the mouth of the Cromarty Firth.

Taking its name from...

The lateral distance and drift between a vessel's actual position and the intended navigational track or course.

Cross Track Error (XTE) is a...

The part of an anchor where the shank meets the arms, forming the base from which the flukes extend.

The crown controls how the anchor sits...

The compass direction a vessel must follow to reach a planned destination, taking into account the effects of wind, tide, and current. It is not...