Catboat

A simple rig with a single mainsail stepped on an unstayed mast set well forward, with no headsail.

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Related C-terms

Can

In the IALA Region B buoyage system (USA, parts of the Americas, Japan, Korea, Philippines…

Close reach

A point of sail between close-hauled and a beam reach, with the apparent wind about 70° of…

Carbon fibre

A stiff, light composite material widely used for modern masts, booms, rudders, and hulls …

Chart

A nautical map showing coastlines, depths, aids to navigation, and hazards.

Compass

A magnetic instrument indicating the vessel's heading relative to the Earth's magnetic fie…

Centerboard

A pivoting keel that can be raised into a trunk to reduce draft and lowered to resist leew…

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