A term describing the seamen of a British warship.

The mount and housing for the compass, usually located on the wheel's pedestal.

The difference in pressure between any two points of a system or component.

Once the only method, other than human voice, of passing orders to men on board ship; the instructions to perform certain tasks were conveyed by different notes and pitches on the high-pitched whistle.

A power or sailing boat used by pi-lots (men who have local knowledge of navigation hazards of ports).

A term for a circular plank edgewise, to work in the bows of a vessel.

The watches aboard ship change at 4, 8, and 12 around the clock. A watch lasts four hours and at each half hour during the watch, a bell is struck. For instance, at 12:30 a.m. there is one bell for the first half hour after midnight; at 1:00 a.m. there ar ...

In a wheel, such as a steering wheel, a spoke is a rod that extends from the hub outwards to the rim.

Is the volume of a given weight of gas, usually expressed as cu ft/lb as SPT conditions.

An articulated five-platform railcar. Used where height and weight restrictions limit the use of stack cars. It holds five 40-foot containers or combinations of 40- and 20-foot containers.

The North Star; 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.

A line drawn on a chart, as a result of a bearing, along which the boat is positioned

C The international temperature scale where water freezes at 0 (degrees) and boils at 100 (degrees). Also known as the centigrade scale.

Seller is responsible for goods and preparation of export documentation until actually placed aboard the vessel.

Shapes such as angle bars or stringers welded to a surface such as a plated bulkhead to increase rigidity.

In maritime warfare, a declaration published by a power forbidding sea-borne trade with an enemy.

Small line consisting of several loosely twisted yarns.

A non-profit entity that represents the interests of a number of shippers. The main focus of shippers associations is to pool the cargo volumes of members to leverage the most favorable service contract rate levels.

Abnormal, rapid reciprocating movement of the disc on the seat of a pressure relief valve.

A small round platform, smaller than a Crow's Nest, which was placed at the top of the mast to provide a greater range of vision from a ship at sea.