The height of the decks, below decks.

Abbreviation for "Please Authorize Delivery Against Guarantee." A request from the consignee to the shipper to allow the carrier or agent to release cargo against a guarantee, either bank or personal. Made when the consignee is unable to produce original ...

(1) The distance that the wind and sea has to travel over open water unimpeded by land; the longer the fetch, generally the higher the waves. (2) Also to reach someplace, especially in adverse conditions. When sailing close-hauled, being able to arrive at ...

A person inexperienced with or uncomfortable around boats.

The after section of the propeller shaft.

A penalty charge against shippers or consignees for delaying the carrier's equipment beyond the allowed free time. The free time and demurrage charges are set forth in the charter party or freight tariff.- See also Detention and Per Diem.

Seaman's term for the period of work on board ship for which he has been paid in advance when signing on.

The conversion of mechanical, electrical or magnetic energy into heat.

A carrier giving a customer illegal preference to attract cargo. This can take the form of a money refund (rebate); using lower figures than actual for the assessment of freight charges (undercubing); misdeclaration of the commodity shipped to allow the a ...

Is the ratio of the thermodynamic work requirement in the cylinder to actual brake horsepower requirement.

The amount of work done on or by a system is equal to the amount of energy transferred to or from the system.

A frame used to support the boom when the sail is down.

A restrictive tube used in a refrigeration system which restricts the flow of freon and allows pressure to build on one side and suction on the other. It is located between the condenser and the evaporator.

Business pertaining to commerce or navigation transacted upon the sea or in seaports in such matters as the court of admiralty has jurisdiction.

Opposite of absorption or adsorption. In filtration, it relates to the downstream release of particles previously retained by the filter.

To stop, especially to stop work.

The headstay on which jibs are hoisted

A location that is not sheltered from the wind and seas. An open location would not make a good anchorage.

A rail around the mast or on the bulwarks with holes for belaying pins to which lines or halyards are attached.

Ropes used for hoisting gaffs and sails, and signal flags.