Said of a vessel's anchor, or cable when the amount of cable out is not more than one-and-a-half times the depth of water.

A document specifying the nation of registry of the vessel.

Statement on the condition of the vessel. The sufficiency of a vessel in materials, construction, equipment, crew and outfit for the trade in which it is employed. Any sort of disrepair to the vessel by which the cargo may suffer, overloading, untrained o ...

PSI - Pounds per square inch.

A spring line tied from the boat to chain rode, usually near the water's surface. It helps disperse tension forces. It also prevents damage to the boat by ground tackle and can help in the retrieval of the ground tackle in heavy weather.

Is a positive displacement reciprocating compressor using a flexible membrane or diaphragm in place of a piston.

A rope sewn into the luff or foot of a sail for use in attaching to the mast or boom.

BTU. The amount of heat required to raise the temperature of one pound of water one degree Fahrenheit under set conditions of temperature and pressure.

A compartment forward where the chain cable is stowed.

The speed needed for a boat to begin planing.

A ball shaped buoy marking a navigational hazard.

The point (speed of sound) at which air flow through an orifice can not increase regardless of pressure drop.

The magnetic compass used by the navigator as a standard.

The highest unlicensed rating in the deck department who has immediate charge of all deck hands and who in turn comes under the direct orders of the master or chief mate or mate.

The basic unit of measurement for lumber. One board foot is equal to a oneinch board, 12 inches wide and one foot long. Thus, a board ten feet long, 12 inches wide, and one inch thick contains ten board feet.

A person or firm performing a consolidation service for others. The consolidator takes advantage of lower full carload (FCL) rates, and savings are passed on to shippers.

A marine hardware store.

The line of longitude 180 degrees opposite Greenwich, England, located in the Pacific that marks the date change

See "Overland Common Points."

Sails that lie in the direction of the ship's length and whose luffs abut the masts or are attached to stays.