To ascertain the proper course to be steered to make the desired point or port. Shark's mouth

A white navigation light carried by vessels under way at night to indicate their presence and give an indication of their course.

A large body of water taken aboard (ship a sea).

Is a process taking place under constant temperature. To compress the gas from state 1 to state 2, heat must be removed to keep the temperature constant. The pressure change is reciprocal to the change in specific volume.

The passing of several turns of line across the jaw of a hook to prevent something on the hook, such as an eye or a line, from jumping clear.

The weight shown in a waybill and freight bill, i.e, the invoiced weight.

An abbreviation for "Cubic." A unit of volume measurement.

A device actuated by inlet static pressure and designed to open during an emergency or abnormal condition to prevent a rise of internal pressure in excess of a specified value.

Pipe lines to a compartment for smothering a fire by steam or by a chemical.

A dining room on a ship.

A rail fastened along the inside of the bulwarks of a vessel and pierced to hold belaying pins

A single masted cutter built expressly for the prevention of smuggling and the enforcement of customs regulations.

A dynamic compressor. A machine in which air or gas is compressed by the mechanical action of rotating vanes or impellers imparting velocity and pressure to the air or gas. In a centrifugal compressor, flow is in a radial direction. Air enters the compres ...

To take in the slack and secure the standing rigging.

Are of two kinds: First, those built in permanently and part of the ship's structure, used for the reception of water ballast, fuel, oil, or liquid cargo; second, those constructed specially and removable if necessary. These vary greatly in size and shape ...

Maintenance performed after a machine has failed to return it to an operating state.

In spray painting applications, a sealed paint cup with a paint gun which puts a measured amount of air pressure into it. This then forces the paint to the gun for atomization.

Storing on land. Many small boats are placed in dry storage over the winter.

To double a vessel's mooring lines.

(0.2+0.02 log10(Vc)) Vc (4d/3D)2, for passenger ships the following formula is added: 1.25 (GT+10000)/10000 (N1+(N2/10)), where Vc is the volume of cargo holds, D is the distance between ship's bottom and the uppermost deck, d is the draught N1 is the num ...