Spar

Skeg

A fixed vertical fin ahead of the rudder, protecting and supporting it.

Starlink

A low-Earth-orbit satellite broadband system widely adopted on cruising and commercial ves…

Scupper

A drain hole or outlet that removes water from the cockpit or deck.

Scope

The ratio between the length of anchor rode paid out and the depth of water (plus bow heig…

Spreader

A horizontal strut projecting from the mast that redirects the shrouds outboard, increasin…

Spinnaker

A large, light downwind sail, symmetric or asymmetric, flown from a halyard rather than a …