Lubber line

A fixed reference line on a compass card housing that represents the boat's heading, read against the rotating compass card.

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Related L-terms

Lee shore

Shoreline lying downwind of the boat; a hazard because the wind will steadily push a disab…

Lead

To route a line through a block, fairlead, or similar fitting.

LWL

Length Waterline — the fore-and-aft length of the hull measured at the waterline; a major …

Lee helm

A boat's tendency to turn her bow away from the wind if the helm is released — generally u…

Lift

(1) The aerodynamic or hydrodynamic force generated by a sail or keel that drives the boat…

Lithium-ion battery (LiFePO4)

A modern lithium iron phosphate house battery offering far greater usable capacity, deeper…

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