Glossary

The maximum angle of heel at which a vessel can recover to an upright position without capsizing.

The Angle of Vanishing Stability (AVS) is a...

The maximum angle of heel at which a vessel can recover to an upright position without capsizing.

The Angle of Vanishing Stability (AVS) is a...

A floating pyrotechnic device that emits dense, orange coloured smoke to signal distress or indicate position at sea. 

A buoyant smoke flare...

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

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

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

A floating marker pole, often equipped with a flag, light, or buoyancy aid, used in maritime settings to indicate a specific location, such...

An automated VHF and MF/HF radio communication system used in maritime environments to send distress alerts, establish contact, and exchange...

An automated VHF and MF/HF radio communication system used in maritime environments to send distress alerts, establish contact, and exchange...

An internationally agreed-upon set of safety procedures, communication protocols, and equipment designed to ensure that ships at sea can send and...

An internationally agreed-upon set of safety procedures, communication protocols, and equipment designed to ensure that ships at sea can send and...

A hand-held pyrotechnic signalling device that produces a bright light and smoke when ignited, used for distress signalling at sea. 

Hand-held...

A U-shaped flotation device designed to be thrown to a person overboard to provide buoyancy and aid in rescue.

The horseshoe lifebuoy, also...

A global satellite communications organisation providing maritime, aviation, and land-based services for safety and operational...

A series of meetings establishing global standards and regulations for using radiotelegraphy, particularly in maritime communication.

The...

A series of meetings establishing global standards and regulations for using radiotelegraphy, particularly in maritime communication.

The...

A length of webbing (or on rare occasions a length of wire) which run from the bow to the stern of the vessel. They have sufficient slack in them...

A specialised man overboard recovery device designed to provide buoyancy and visibility to a person in the water. 

A Jonbuoy is a...

A buoyant, wearable safety device designed to keep a person afloat in the water and reduce the risk of drowning. 

A life jacket, also known as...

An inflatable or rigid floating device designed to provide emergency refuge and safety for individuals forced to abandon a vessel at sea.

A...

A crew member assigned to maintain a continuous watch for potential hazards, other vessels, or navigational markers while at sea.

A look-out...

A situation where a person has fallen from a vessel into the water, requiring immediate rescue actions. 

A man overboard situation is one of...

A unique nine-digit number assigned to a vessel, coast station, or group of stations for digital communication and identification in the Global...

An internationally recognised distress signal used in voice communication to indicate a grave or imminent, life-threatening emergency at...

A communication made via radio from a vessel to a shore-based medical facility or professional to seek urgent medical advice or assistance for an...

A unique nine-digit number assigned to a vessel, coast station, or group of stations for digital communication and identification in the Global...

An internationally recognised maritime urgency signal used in radio communications to indicate a situation that is urgent but does not pose an...

A pyrotechnic distress signal that, when launched, ascends to a high altitude before deploying a parachute to slow its descent while emitting a...

A journey or route taken by a vessel from one location to another, often across open water or between specific points such as harbours or...

A detailed, structured navigational strategy outlining the safest and most efficient route for a vessel from departure to destination,...

A compact, portable device used to transmit a distress signal via satellite to alert search and rescue services in emergencies at sea.

A...

A compact, portable device used to transmit a distress signal via satellite to alert search and rescue services in emergencies at sea.

A...

A device or material designed to produce light, heat, smoke, or sound through a chemical reaction, commonly used in marine signalling for...

A communication made via radio from a vessel to a shore-based medical facility or professional to seek urgent medical advice or assistance for an...

The coordinated efforts undertaken to locate and assist individuals in distress or imminent danger, typically at sea, and to bring them to...

An emergency device that responds to radar signals by transmitting a series of pulses to help rescuers locate a vessel or liferaft in...

The coordinated efforts undertaken to locate and assist individuals in distress or imminent danger, typically at sea, and to bring them to...

An emergency device that responds to radar signals by transmitting a series of pulses to help rescuers locate a vessel or liferaft in...

A maritime safety message broadcast over radio to convey important but non-urgent navigational or weather-related information.

Sécurité is a...

Chapter V of SOLAS (Safety of life at Sea) refers to the Safety of Navigation for all vessels at sea.

SOLAS V for pleasure craft

SOLAS V...

The universally recognised distress signal used in maritime communication to indicate an emergency requiring immediate assistance.

The German...

The maximum angle of heel at which a vessel can recover to an upright position without capsizing.

The vanishing angle is a critical concept in...

A shore-based system that monitors and manages vessel movements in busy or hazardous waterways to enhance safety, efficiency, and environmental...

A communication device that operates on Very High Frequency (VHF) radio waves, used for ship-to-ship, ship-to-shore, and emergency maritime...

A shore-based system that monitors and manages vessel movements in busy or hazardous waterways to enhance safety, efficiency, and environmental...