Glossary Archive

The trailing edge of a triangular sail

Command given by helm when tacking as the bow passes through the wind. Tells the crew to reset the sails on the new course.

A coastline towards which the onshore wind blows; the shore to leeward of a boat

The side of a vessel or an object that is sheltered from the wind, opposite to the windward side. Leeward is a crucial concept for understanding wind direction and its effects on navigation and vessel handling. The term "leeward" (pronounced "loo-erd") refers to the side of a ship or any object that is away from...

A vessel's sideways drift or deviation from its intended course due to the influence of wind. It is the difference between the direction the vessel is pointing (heading) and the direction it moves over the ground. Leeway is an important consideration for navigational planning and course corrections to ensure the vessel stays on an intended...

A segment of a voyage between two waypoints

Length Overall

This flag semaphore signal indicates a change from numbers to letters (Letters to follow). This switches back from numbers to the default encoding, which is letters. It is also the Letter J (Flag Semaphore) between the number signals. A to K are numerals 1 to 9, respectively; J is this shape, Letters to Follow, and...

The RYA Level 1 Start Powerboating course introduces beginners to the basics of powerboat handling. Participants learn low-speed maneuvers, safety checks, and launching and recovering powerboats. Delivered in a practical, hands-on format, this one-day course builds foundational skills and confidence, preparing participants for the Level 2 Powerboat Handling course.

The RYA Level 2 Powerboat Handling course is a comprehensive two-day program that teaches participants the skills needed to operate powerboats confidently and safely. This course covers high-speed maneuvers, docking, navigation, and emergency procedures. Participants practice practical skills such as anchoring, recovering a man overboard, and handling various water conditions. Successful completion allows participants to...