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

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.

A built in mechanical device to recover a portion of the power consumed by a constant speed centrifugal compressor when operating at reduced capacity or reduced pressure rise, or both.

Canvas, cloth, leather, tubing, rubber or other material placed around a line or cable to protect it from wear and abrasion

Articles packed so that one rests partially or entirely within another, thereby reducing the cubic-foot displacement.

A ball shaped buoy marking a navigational hazard.

Pair of hooks linked together and attached to a crane.

To move ahead swiftly. To move ahead of another vessel quickly when underway.

PSI - Pounds per square inch.

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.

The logic of binary systems, such as control systems in which all operations may be reduced to on-off, open-closed, or similar dichotomous basis.

Port of initial Customs entry of a vessel to any country. Also known as First Port of Call.

A volume. Cubic meters per second.

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

The magnetic compass used by the navigator as a standard.

A written contract between the owner of a vessel and the person desiring to employ the vessel (charterer); sets forth the terms of the arrangement such as duration of agreement, freight rate and ports involved in the trip.

A bollard with horizontal arms, forming the shape of a cross, as a means of belaying lines.

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 power or sailing boat used by pi-lots (men who have local knowledge of navigation hazards of ports).

A severe type of food poisoning caused by eating contaminated fish