The weight of cargo per cubic foot or other unit.

The depth of a ship in the water. The vertical distance between the waterline and the keel, in the U.S. expressed in feet, elsewhere in meters.

The distance from the surface of the water to the ship's keel (how deep the ship is into the water).

Without packing.

Broad planks used to cover a wooden vessel's sides, or covering the deck beams.

A tackle (blocks and falls).

A device used to separate air solids from the stream of air that might become a source of trouble. Adulterants caught in the strainer are blown out through an orifice fitted with a valve or plug. The strainer should be opened periodically for a thorough c ...

A mop.

Reporting System.

Special Service Craft

A shipment consisting of more than one commodity, articles described under more than one class or commodity rate item a tariff.

A ship whose holds re shaped in such a way that the cargo levels itself.

A hygrometer which includes an arrangement for the time recording of atmospheric humidity.

Technical BulletinsCalculators listed here is dedicated to a specific task.

A stowage rest for a ship's boat.

A term applied to loose wood or other material used in a ship's hold for the protection of cargo.

A lead of from 7 to 14 pounds used with the hand lead line for ascertaining the depth of water in entering or leaving a harbor. (Line marked to 20 fathoms.)

That part of a rudder by which it is pivoted to the sternpost.

Flag signaling with the arms.

Stability is 100 minus the surge limit at rated discharge pressure, where the surge limit is expressed in percentage of rated capacity.