A machine having a vertically mounted warping end on which a rope may be wound under power, but not stored.

Geographic Information System

The angle between true south and the point on the horizon directly below the sun.

Bulk

An outdoor temperature, usually 20 to 45 degrees Fahrenheit, at which a heatpump's output equals the heating demand. Below the balance point, supplementary heat is needed.

American Society for Testing and Materials.

A sunshine recorder of the type in which the time scale is supplied by the motion of the sun. It consists essentially of a spherical lens which bums an image of the sun upon a specialty prepared card.

Vessel Traffic Management Services

The fibrous material remaining after the extraction of juice from sugarcane; often burned by sugar mills as a source of energy.

United Nations

National Economic Council

Advanced Notice of Proposed Rulemaking.

Maritime Environment Protection CommitteeIMO branch dealing, among other, with the construction of tankers. The number of the meeting is often added to the acronym so that in the Autumn 2000 the next meeting will be MEPC46.

A basic equation in night visual range theory, relating the illuminance of a point source of light to distance and the transmissivity of the atmosphere.

Steam generating units used aboard ship to provide steam for propulsion (and) for heating and other auxiliary purposes.

Improving paint adhesion on aluminum or aluminum alloys, mainly aircraft skins, by treatment with a solution of' chromic acid. Also called chromodizing or chromatizing. Not to be confused with chromating or chromizing.

(1) An old term to denote a lazy sailor who is of little use on the ship. (2) Damaged goods, especially provisions.

Hazardous Materials

Petroleum Association of Japan

A unit of heat originally defined as the amount of heat required to raise the temperature of water through one degree centigrade (the gram-calorie or small calorie), but this proved to be insufficiently precise. The 15