Glossary
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TermDefinition
- Courses, General Nautical Terminology, Nautical Topics, Organisation American Sailing Association (ASA) (ASA)
A United States sailing-education organisation that develops course standards and accredits affiliated schools and instructors.
ASA offers a...
More Details - General Nautical Terminology, Nautical Topics, Navigation, Organisation, Safety APEM
The four-stage process used to develop, carry out and continuously check a passage plan.
Appraisal gathers relevant information and assesses...
More Details - General Nautical Terminology, Nautical Topics, Navigation, Organisation, Safety Appraise, Plan, Execute and Monitor (APEM) (APEM)
The four-stage process used to develop, carry out and continuously check a passage plan.
Appraisal gathers relevant information and assesses...
More Details - Courses, General Nautical Terminology, Nautical Topics, Organisation ASA
A United States sailing-education organisation that develops course standards and accredits affiliated schools and instructors.
ASA offers a...
More Details - General Nautical Terminology, Nautical Topics, Mooring & Berthing, Organisation, Parts of a Boat Bosun (Boatswain)
The senior deck crew member responsible for supervising deck work, maintenance and seamanship equipment.
The bosun normally allocates and...
More Details - General Nautical Terminology, Nautical Topics, Organisation, Signals & Communication Call Sign
An assigned sequence of letters or letters and figures used to identify a radio station or vessel in communications.
For ships, the call sign...
More Details - General Nautical Terminology, Nautical Topics, Organisation CEVNI
The European Code for Navigation on Inland Waterways.
It standardises signs, lights, sound signals and navigation rules used on many...
More Details - General Nautical Terminology, Nautical Topics, Maritime Language & Traditions, Organisation Challenger of Record
The challenging yacht club that agrees the next America's Cup match conditions with the defending yacht club under the Deed of Gift.
Once a...
More Details - General Nautical Terminology, Nautical Topics, Organisation Chandler
A business or person supplying equipment, consumables or provisions for vessels.
A ship chandler commonly serves commercial ships in port,...
More Details - General Nautical Terminology, Nautical Topics, Organisation, Safety Chief Mate
The senior deck officer immediately below the master on a merchant vessel.
Also called the chief officer or first mate, this officer normally...
More Details - General Nautical Terminology, Nautical Topics, Maritime Language & Traditions, Mooring & Berthing, Organisation Clean Bill of Health
Historically, a port-health document stating that no infectious disease was known to exist at a vessel’s port of departure.
A clean bill could...
More Details - General Nautical Terminology, Nautical Topics, Navigation, Organisation, Safety, Signals & Communication COLREGs
The international rules governing vessel conduct, lookout, safe speed, collision avoidance and navigation lights, shapes and sound signals.
More Details - General Nautical Terminology, Nautical Topics, Navigation, Organisation, Safety Commissioners of Irish Lights
The General Lighthouse Authority responsible for marine aids to navigation around the island of Ireland and its adjacent seas and islands.
More Details - General Nautical Terminology, Nautical Topics, Organisation, Safety, Signals & Communication Cospas-Sarsat
An international satellite system that detects and locates compatible 406 MHz distress beacons and relays alerts to search-and-rescue...
More Details - General Nautical Terminology, Nautical Topics, Organisation, Signals & Communication Courtesy Ensign
The appropriate flag of a host state flown by a visiting vessel in accordance with local law and maritime custom.
It is normally hoisted after...
More Details - General Nautical Terminology, Nautical Topics, Organisation, Safety Crew
The people assigned to operate, maintain or serve aboard a vessel.
Crew can include the master or skipper, deck and engineering personnel,...
More Details - General Nautical Terminology, Nautical Topics, Organisation Deck Department
The shipboard department responsible for navigation, cargo work, deck maintenance and many seamanship operations.
It is normally led by the...
More Details - General Nautical Terminology, Nautical Topics, Navigation, Organisation, Safety Deck Officer
A certificated member of a ship’s deck department who performs navigational watches and deck-management duties.
Depending on rank, a deck...
More Details - General Nautical Terminology, Nautical Topics, Organisation, Signals & Communication Dip the Ensign
To lower a vessel’s ensign temporarily as a traditional maritime salute.
The ensign is lowered part-way or, where the arrangement permits,...
More Details - General Nautical Terminology, Nautical Topics, Maritime Language & Traditions, Organisation Dog Watch
One of two shortened two-hour watches traditionally scheduled from 16:00–18:00 and 18:00–20:00.
Splitting the normal four-hour period creates...
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