A propeller drawn through the water that operates a meter on the boat registering the speed and distance sailed

An ornamental carved and painted figure on the stem of the vessel.

A lighted or unlighted fixed (non-floating) aid to navigation that serves as a signal or indication for guidance or warning. (Lights and daybeacons both constitute "beacons.")

Meddling or fooling around.

A genoa jib. A large jib that overlaps the mast.

A compartment having a watertight bulkhead at each end.

Book in which is kept a reckoning of items of cargo received or discharged from a hatch or vessel.

A reversible propeller mounted in a tunnel running through the ship/s hull to give movement athwart-ships.

An international goods classification system for describing cargo in international trade under a single commodity-coding scheme. Developed under the auspices of the Customs Cooperations Council (CCC), an international Customs organization in Brussels, thi ...

The fitting which connects the boom to the mast.

The command given to inform the crew that the helm is being turned quickly to leeward, turning the boat windward

A labyrinth type filter having the active surfaces continuously splashed with oil. Most pollutants are absorbed by the oil which when circulated releases its pollutants, which sink by gravity to the bottom of the oil pan.

A pilot with a license stating that they are qualified to guide vessels in a particular area.

A beam which supports a deck.

An additional keel secured outside the main keel, usually as protection in the event of grounding.

The porous device which perform the actual process of filtration.

To leave port.

Polaris, the North Star, is visible in the northern hemisphere and indicates the direction of north. In the southern hemisphere the Southern Cross is used to find the direction of south.

Most ocean freight is billed on the basis of weight or measurement tons (W/M). Weight tons can be expressed in short tons of 2000 pounds, long tons of 2240 pounds or metric tons of 1000 kilos (2204.62 pounds). Measurement tons are usually expressed as car ...

An irrevocable letter issued for a specific amount; renews itself for the same amount over a given period.