Glossary Archive

A shallow area (shoal) close by a river mouth or harbour entrance or A measure of barometric pressure usually noted as 1000 millibars

A line or tackle system used to adjust the angle of a jib or genoa sheet to optimise sail shape and performance, particularly when sailing off the wind. A barber hauler is a secondary control line or tackle arrangement used to modify the lead angle of a headsail sheet, typically the jib or genoa, by...

No sails are set and boat is driven by the force of the wind on the spars and rigging

The Basic Sea Survival Certificate course teaches life-saving techniques for emergencies at sea. Participants learn how to use life rafts, don survival suits, and deploy signaling devices effectively. The course includes practical drills in simulated conditions, emphasizing personal preparation and survival strategies. This program is ideal for offshore sailors, ensuring they are well-equipped to handle...

A bathing platform is a purpose-built area that sits at water level when the vessel is stopped. It allows easy access to and from the water. It is not to be used while the vessel is underway (moving).

A thin, flat strip of wood, plastic, or fibreglass inserted into a sail to help maintain its shape and improve performance A batten is an essential component in the design of many sails, particularly in modern sailing vessels. Traditionally, sails were made from natural fibres, and their shape was maintained primarily by the tension applied...

A reinforced sleeve sewn into a sail to hold a batten, which helps maintain the sail's shape. A batten pocket is an essential feature of many sails, particularly on mainsails and some headsails, where it serves to hold battens securely in place. Battens are long, thin strips made from materials such as fibreglass, carbon fibre,...

The International Maritime Signal Flag Bravo. Meaning I am taking in or discharging or carrying dangerous goods.

To run a vessel ashore deliberately

A fixed or floating signal, often a light or radio transmitter, used to guide mariners or mark hazards in navigable waters. A beacon is an essential navigational aid in maritime contexts, serving as a visual or electronic signal to assist vessels in determining their position, avoiding dangers, or steering towards safe passages. Beacons can take...