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

A direction of forty-five degrees or less from the stern.

A small low rail around the deck of a boat. The toe rail may have holes in it to attach lines or blocks and to allow drainage. A larger wall is known as a gunwale.

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

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

The record of courses steered and distances traveled since the time a ship's position was last fixed by shore or astronomical observations.

The amount of air that a filter can handle. Expressed in CFM.

A ship designed to carry either ore or oil in bulk.

A measuring tool used to check air pressure at the tool by inserting a hypodermic needle into the rubber hose.

The process of desiccants being regenerated by water being driven off the desiccant. Hot air or gas passes through the desiccant bed, heating it. As a result, the partial pressure of the water vapor becomes higher than that in the regenerating air. Water ...

The angle between the sail and the apparent wind or the rudder or centerline and the water flow.

Required by some countries for protection against the dumping of certain types of merchandise or products.

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.

The extension of an air actuator beyond its design height.

To install the sails on the boom or the forestay.

Columnar support for the steering wheel in the cockpit.

An inspection method for welding, forgings etc. based on the ability of certain types of liquids to enter voids and crevices by capillary action and to remain there when the surface liquid is removed.

The short foot rope at the end of a yard at the outer corner of a square sail used when reefing or furling.

Old sailing ship term for taking a nap.

(1) A second method of propelling a vessel. On a sailboat this would be the engine. (2) Machinery fitted in steam and motor vessels which is not part of the main propelling machinery. (3) a support group, e.g., Coast Guard Auxiliary