Inboard slope of a ships side above the designed waterline


Related Terms

SEA CHEST

An opening for supplying seawater to condensers, pumps, etc. located in the hull below the waterline and having means for the attachment of the associated piping

ABOVE-WATER HULL

The hull section of a vessel above the waterline, the visible part of a ship.

WATERLINE

The line where the hull of a ship meets the water's surface.

BOOT TOP

A painted line that indicates the designed waterline.

COUNTER

The part of the stern above the waterline that extends beyond the rudder stock culminating in a small transom. A long counter increases the waterline length when the boat is heeled, so increasing hull speed.

LPP

The length of a vessel along the waterline from the forward surface of the stem, or main bow perpendicular member, to the after surface of the sternpost, or main stern perpendicular member. Believed to give a reasonable idea of the vessel's carrying capacity, as it excludes the small, often unusable volume contained in her overhanging ends.

LENGTH BPP

The length of a vessel along the waterline from the forward surface of the stem, or main bow perpendicular member, to the after surface of the sternpost, or main stern perpendicular member. Believed to give a reasonable idea of the vessel's carrying capacity, as it excludes the small, often unusable volume contained in her overhanging ends.

LOA

The maximum length of a vessel's hull measured parallel to the waterline, usually measured on the hull alone, and including overhanging ends that extend beyond the main bow and main stern perpendicular members. For sailing vessels, this may exclude the bowsprit and other fittings added to the hull, but sometimes bowsprits are included.

TOPSIDES

The sides of a vessel between the waterline and the deck; sometimes referring to onto or above the deck.

DRAUGHT

The depth of a ship's keel below the waterline.

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