Master of a sea-going vessel. Certificated officer competent and qualified to be master of a sea-going vessel.

A small boat intended to be used only for short sails or racing.

Ice extending seaward from land to which it is attached.

The first plank on the outer hull of a wooden vessel next to the keel. In steel ships, the plating next to the keel, or what is known as strake A.

Abbreviation for "Over, Short or Damaged" Usually discovered at cargo unloading.

The ability of a non-water-soluble fluid to form an emulsion with water.

A projecting aperture at the end of a tube, pipe etc. serving as an outlet for compressed air. Reduces the demand on the compressor by generating the highest thrust and volume for the lowest possible air consumption.

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 ...

The highest operating pressure the system or component is designed to withstand.

The planning and implementation of strategies designed to encourage consumers to improve energy efficiency, reduce energy costs, change the time of usage, or promote the use of different energy source.

A fitting holding a boom or gaff to the mast.

To leave port.

(1) Order to men at the mast to extend themselves at intervals along a yard. (2) To keep a vessel at a certain place until a specified time has elapsed.

A document, issued by a bank per instructions by a buyer of goods, authorizing the seller to draw a specified sum of money under specified terms, usually the receipt by the bank of certain documents within a given time. Some of the specific descriptions a ...

A rope attached to the clew of the foresail and rove through a block on the swinging boom. Used for guying the clews out when before the wind.

Unlicensed members of the engine department who attend to a fully automated engine room.

The oxidation of conventional hydrocarbon lubricants when they reach the end of their useful life and begin to breakdown. Can cause operating temperature increase, increase brake horsepower and plugs separator, can destroy air end.

A double block where the two sheaves lie in a plane one below the other, rather than alongside each other.

A charted feature or chosen position on a chart

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