Is the ratio of actual capacity to piston displacement, stated as a percentage.

A mechanical, electrical, or manually operated pump used to remove water from the bilge.

A through hull valve, a shut off on a plumbing or drain pipe between the vessel and the sea

Place where cargo is transferred to another carrier.

1,000 grams or 2.2046 pounds.

The middle watch.

The power required to compress a gas isothermally through a specified range of pressures.

A wooden lattice-work covering a hatch or the bottom boards of a boat; similarly designed gratings of metal are frequently found on shipboard.

A vessel which, according to the applicable Navigation Rule, has right-of-way. Also known as the "stand on" vessel.

A right claim against the guarantors of a loan or draft or bill of exchange.

Setting rate within a conference tariff that is different from the rate(s) for the same items established by other conference members.

Where the boat is pointed directly into the wind, sails luffing

Required lights on a boat help others determine its course, position and what it is doing. Boats underway should have a red light visible from its port bow, a green light on the starboard bow and a white light at its stern. Other lights are required for v ...

Is the force in newton required to move a fluid layer of one square meter area and a thickness of one meter with a velocity of one meter per second.

A large square of heavy canvas fitted with lines to allow it to be drawn under the hull of a ship where it is damaged. The pressure of the seawater holds it tight against the ship and greatly reduces the inflow of water.

The place where a vessel lies. The place in which a man sleeps.

Traditionally a ship's bell is made of brass and has her name engraved on it. It is used for striking the bells which mark the passage of time (see Bells) and is also used as a fog signal as an audible warning of a ship's position.

Lifts temporary quarantine of a vessel; granted pratique by Health Officer.

A command to stop or cease immediately what one is doing.

The outer resin surface of a fiberglass boat, usually colored.