American Society for Testing and Materials.

Construction made by placing several platform flats end to end in a ship.

The U.S. Customs' "Automated Manifest System."

Cylinder.

Condition Assessment Program. Structural assessment program devised by the classification societies ABS, LR, DNV.

On the deck (not over it - see ALOFT)

The pressure of the air at sea level; one standard atmosphere at zero degrees centigrade is equal to 14.695 pounds per square inch (1.033 kilograms per square centimeter).

Bermuda (Flag)

The weight of oxygen taken up mainly as a result of the oxidation of the constituents of a sample of water by biological action; expressed as the number of parts per million of oxygen taken up by the sample from water originally saturated with air, usuall ...

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.

Aluminium Alloy Pleasure Yacht.

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

Mean Low Water

The flow of air down a flue/chimney and into a house caused by low indoor air pressure that can occur when using several fans or fireplaces and/or if the house is very tight.

To stop a boat and maintain position (with some leeway) by balancing rudder and sail to prevent forward movement, a boat stopped this way is "hove to"; such as when in heavy seas. The idea is to bring the wind onto the weather bow and hold the ship in tha ...

Format for digital cartographic data

A generic term covering several processes applicable to steel that change the chemical composition of the surface layer by absorption of carbon, nitrogen, or a mixture of the two and, by diffusion, create a concentration gradient. The outer portion, or ca ...

Reinforced cringles or thimbles in the sail designed to hold the reefing lines when reefing the sail.

Established the standard basis for adjusting general average and stated the rules for adjusting claims.

A term of measure referring to 42 gallons of liquid at 60o F.