Glossary
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TermDefinition
- General Nautical Terminology Sail Drive
A sail drive is a transmission system for a boat whose inboard engine has a horizontal output shaft. The sail drive's input shaft is, therefore,...
More Details - General Nautical Terminology, Navigation Sailing Directions
Sailing directions, also known as nautical directions or pilots, are publications that provide detailed information for navigating coastal and...
More Details - General Nautical Terminology Sail Locker
A designated storage space aboard a vessel where sails and related equipment are kept when not in use.A sail locker is an essential feature...
More Details - General Nautical Terminology Sail TiesLines used to lash a lowered sail to the boom or guardrails to prevent it blowing about
- Weather (Meteorology) Salinity
The concentration of dissolved salts in water, typically measured in parts per thousand (ppt) or practical salinity units (PSU).
Salinity is a...
More Details - General Nautical Terminology SaloonThe main cabin of a vessel
- General Nautical Terminology, Safety SAR
The coordinated efforts undertaken to locate and assist individuals in distress or imminent danger, typically at sea, and to bring them to...
More Details - General Nautical Terminology, Safety SART
An emergency device that responds to radar signals by transmitting a series of pulses to help rescuers locate a vessel or liferaft in...
More Details - General Nautical Terminology SBF
A German boating licence required for operating recreational motorboats and sailing vessels above certain power or length limits in German...
More Details - General Nautical Terminology SBF Binnen
A German boating licence required for operating recreational motorboats and sailing vessels on inland waterways.
The Sportbootführerschein...
More Details - General Nautical Terminology SBF See
A German boating licence required for operating recreational motorboats and sailing vessels with an engine of more than 15 horsepower in coastal...
More Details - Flag / Pennant, Signals & Communication Code Flag Sierra (S)

The International Maritime Signal Flag Sierra.
Meaning
I am operating astern propulsion.
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If appended with a Numeral Pennant, Speed... - General Nautical Terminology ScopeAmount of cable or 'rode' which is let out when anchoring or laying a cable.
- General Nautical Terminology, Nautical Saying Scupper
An opening in the side of a ship or boat, designed to allow water on deck to drain overboard.
In maritime terminology, a scupper is an...
More Details - General Nautical Terminology Sea Anchor
A device, typically a canvas or synthetic fabric drogue, deployed in the water to stabilise a vessel by creating drag and reducing drift in rough...
More Details - General Nautical Terminology, Weather (Meteorology) Sea Breeze
A cooling wind that blows from the sea towards the land, typically occurring during the daytime due to temperature differences between the land...
More Details - General Nautical Terminology SeacockA stop-cock next to the hull to prevent accidental entry of water
- General Nautical Terminology Sealegs
The ability of a person to maintain balance and move steadily on a vessel in motion, particularly in rough seas.
Sealegs is a term deeply...
More Details - General Nautical Terminology, Safety Search and Rescue (SAR)
The coordinated efforts undertaken to locate and assist individuals in distress or imminent danger, typically at sea, and to bring them to...
More Details - General Nautical Terminology, Safety Search and Rescue Transponder (SART)
An emergency device that responds to radar signals by transmitting a series of pulses to help rescuers locate a vessel or liferaft in...
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