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Nautical Know How
  • Our Courses

      All our courses are engaging, interactive and fun! Whether formal training or simply looking to brush up, we take online learning to the next level.

      • Sailing EssentialsFreeA free course great for anyone who spends time on the water.
      • Essential Navigation & SeamanshipRYA course for beginners. Learn charts, tides, pilotage, and core seamanship with simple practice tasks.
      • Day Skipper TheoryMost PopularRYA course for inshore skippers. Plan day passages using chartwork, tides, weather, and COLREGs.
      • Coastal Skipper / Yachtmaster® TheoryComing SoonRYA course for advanced navigation and passage planning. Work with secondary ports, tidal streams, and offshore weather.
      • SRC (VHF) Marine Radio CourseRYA Short Range Certificate radio course. Study online, then take the practical exam with an RYA assessor.
  • Directory

      Are you looking for something nautical related? Our directory is an extensive list of courses and places associated with the marine industry. Hop over and search now.

      • Places
        Find anywhere nautical, including marinas & training centres. If it exists, we’ve got it listed!
      • Courses
        We help you navigate through the complex world of training and help find what’s best for you.
  • Know-How

      We believe every day’s a school day on a boat! That’s why we built Nautical Know-How, dedicated to answering your questions. Even better, if it can’t answer your question immediately, you can request it, and we’ll add it to our knowledge base.

      • Nautical Terms & Terminology
        Understanding the language of the marine world is like trying to learn a pirate’s secret code while juggling fish. Let us explain why a sheet isn’t for your bed, why “heave ho” doesn’t mean throw up (most of the time), and why “dead reckoning” is surprisingly less ominous than it sounds.
      • Why do we have tides?
        Have you ever wondered what causes the tides? Check out this video, which introduces the forces that create the tides we experience on Earth.
      • What causes our weather?
        A video introducing the drivers behind our weather, part of our RYA Day Skipper & RYA Coastal Skipper / Yachtmaster® Offshore theory courses.
      • Buoyage Flashcards
        Flashcards designed to help remember the buoys in the IALA system. If you want to learn them in detail, our module ‘Getting in and out of harbour‘, covers the IALA system and different buoys used.
      • Interactive Rule Book (COLREGs / IRPCS)
        Whether you’re a novice sailor or a seasoned skipper, we can help you navigate the IRPCS confidently and clearly. Our easy-to-use, easy-to-understand, plain English rule book with helpful interpretations of what each rule means.
      • The Salty Sea Blog
        From salty old sea dogs to fresh-faced deckhands, this blog is for anyone who finds peace, adventure, and a bit of mischief on the water. So hoist the main, set your course, and let’s sail into the stories, lessons, and musings that make life on the sea so irresistible.
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Nautical Know How
  • Our Courses

      All our courses are engaging, interactive and fun! Whether formal training or simply looking to brush up, we take online learning to the next level.

      • Sailing EssentialsFreeA free course great for anyone who spends time on the water.
      • Essential Navigation & SeamanshipRYA course for beginners. Learn charts, tides, pilotage, and core seamanship with simple practice tasks.
      • Day Skipper TheoryMost PopularRYA course for inshore skippers. Plan day passages using chartwork, tides, weather, and COLREGs.
      • Coastal Skipper / Yachtmaster® TheoryComing SoonRYA course for advanced navigation and passage planning. Work with secondary ports, tidal streams, and offshore weather.
      • SRC (VHF) Marine Radio CourseRYA Short Range Certificate radio course. Study online, then take the practical exam with an RYA assessor.
  • Directory

      Are you looking for something nautical related? Our directory is an extensive list of courses and places associated with the marine industry. Hop over and search now.

      • Places
        Find anywhere nautical, including marinas & training centres. If it exists, we’ve got it listed!
      • Courses
        We help you navigate through the complex world of training and help find what’s best for you.
  • Know-How

      We believe every day’s a school day on a boat! That’s why we built Nautical Know-How, dedicated to answering your questions. Even better, if it can’t answer your question immediately, you can request it, and we’ll add it to our knowledge base.

      • Nautical Terms & Terminology
        Understanding the language of the marine world is like trying to learn a pirate’s secret code while juggling fish. Let us explain why a sheet isn’t for your bed, why “heave ho” doesn’t mean throw up (most of the time), and why “dead reckoning” is surprisingly less ominous than it sounds.
      • Why do we have tides?
        Have you ever wondered what causes the tides? Check out this video, which introduces the forces that create the tides we experience on Earth.
      • What causes our weather?
        A video introducing the drivers behind our weather, part of our RYA Day Skipper & RYA Coastal Skipper / Yachtmaster® Offshore theory courses.
      • Buoyage Flashcards
        Flashcards designed to help remember the buoys in the IALA system. If you want to learn them in detail, our module ‘Getting in and out of harbour‘, covers the IALA system and different buoys used.
      • Interactive Rule Book (COLREGs / IRPCS)
        Whether you’re a novice sailor or a seasoned skipper, we can help you navigate the IRPCS confidently and clearly. Our easy-to-use, easy-to-understand, plain English rule book with helpful interpretations of what each rule means.
      • The Salty Sea Blog
        From salty old sea dogs to fresh-faced deckhands, this blog is for anyone who finds peace, adventure, and a bit of mischief on the water. So hoist the main, set your course, and let’s sail into the stories, lessons, and musings that make life on the sea so irresistible.
  • Chandlery
Sign In Join now—it’s Free

Glossary Archive

Starboard Bow

The forward section of a vessel's right-hand side when facing the bow (front) of the ship. The term "starboard bow" is a specific nautical designation used to describe a particular area of a vessel. In maritime terminology, the ship is divided into sections to aid in navigation, communication, and operations. The starboard side is the...


Starboard Quarter

The rear right-hand section of a vessel when facing forward towards the bow. The term "starboard quarter" is a specific navigational and positional reference used in maritime contexts to describe a particular area of a vessel. The word "starboard" originates from the Old English "steorbord," meaning the side of the ship where the steering oar...


Starboard Tack

The condition of a sailing vessel when the wind is coming over its starboard (right) side, with the sails set accordingly.  A starboard tack is a fundamental concept in sailing, referring to the orientation of a vessel in relation to the wind. When a boat is on a starboard tack, the wind approaches from the...


Start Motor Cruising

The RYA Start Motor Cruising course is a beginner-friendly introduction to motor boating. Participants learn the basics of boat handling, safety, and onboard systems. The course includes practical exercises such as steering, anchoring, and understanding navigation marks. By the end, participants will have the foundational knowledge to enjoy motor cruising and progress to more advanced...


Start Windsurfing

The RYA Start Windsurfing course is designed for complete beginners, teaching the fundamentals of windsurfing in a fun and supportive environment. Participants learn board and sail handling, launching, and basic steering techniques. The course emphasizes safety and building confidence on the water. By the end, participants will have the skills to windsurf independently in light...


Start Yachting

The RYA Start Yachting course is a two-day introduction to the basics of yacht sailing. Participants learn steering, sail handling, and onboard safety procedures. This hands-on course provides a taste of life at sea and serves as an excellent starting point for further qualifications. By the end, participants will have a basic understanding of sailing...


Statute Mile

A unit of distance equivalent to 5,280 feet or 1,609.34 meters. It is commonly used on land but is sometimes used in inland waterways. In recreational marine contexts, the statute mile is occasionally used to measure distances, particularly inland lakes, rivers, and canals, where land-based measurements are more relevant than nautical miles. A statute mile...


Stay

Part of the standing rigging which provides support fore-and-aft


STCW

A global agreement established by the International Maritime Organisation (IMO) to ensure seafarers are properly trained, certified, and competent to perform their duties on board ships. The STCW Convention was first adopted in 1978 and came into force in 1984, marking the first time minimum international standards for seafarers' training, certification, and watchkeeping were established....


Steady

Instruction given to the helmsman to keep the boat on her present course


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