Glossary Archive

This signal is also used to transition from letters to numbers when communicating a message.

International Morse Code sequence representing the letter J.

A specialised man overboard recovery device designed to provide buoyancy and visibility to a person in the water.  A Jonbuoy is a self-contained, inflatable man overboard (MOB) recovery system used on yachts and other vessels to assist in rescuing a person who has fallen into the water. Typically stored in a compact canister mounted on...

Pronounced: JOO-lee-ETT The term for the letter J in the NATO Phonetic Alphabet. Did you know?Juliett is deliberately spelt with two t's to ensure that French speakers don't mistake the t as silent.

A temporary but effective device that replaces lost or damaged gear

The International Maritime Signal Flag Kilo. Meaning I wish to communicate with you.If appended by a Numeral Pennant:I wish to communicate with you by:1) Morse signalling by hand flags or arms;2) Loud hailer (megaphone);3) Morse signalling lamp;4) Sound signals.

A technique for moving or turning a ship by using a relatively light anchor known as a kedge.

A small, lightweight anchor used to reposition or manoeuvre a vessel in confined waters or to assist in anchoring when the main anchor is insufficient. A kedge anchor is a specialised type of anchor that is typically smaller and lighter than a ship's primary anchor. It is often used in situations where a vessel needs...

A structural element that sometimes resembles a fin and protrudes below a boat usually along its centre line

The RYA Keelboat Club Racing course prepares sailors to participate confidently in club-level keelboat races. Participants learn race rules, starting techniques, and tactics for maximizing speed. Practical sessions focus on teamwork, boat handling, and responding to changing wind conditions. By the end, sailors will be equipped with the skills and knowledge to compete effectively in...