A method of signaling and communicating using two flags held in position by the signaler, the positions of the flags denoting the meaning.

Flag signaling with the arms.

Deck supported by pillars, fastened to pontoons. The pontoons are half submerged during operations. Kept in position by anchors (or by dynamic positioning). Normally equipped with its own propulsion machinery.

When a ship's head or stern pitches suddenly and violently into the trough of the sea.

A braid, formed by plaiting rope-yarns or spunyarn together. Straw, plaited in the same way for hats, is called sennit.

A region drawn on a chart to separate two lanes that have shipping vessels moving in opposite directions.

The order in which compressors are brought online.

A string of vessels which makes a particular voyage and serves a particular market.

As provided in the Shipping Act of 1984, a contract between a shipper (or a shippers association) and an ocean common carrier (or conference) in which the shipper makes a commitment to provide a certain minimum quantity of cargo or freight revenue over a ...

A mallet used for passing serving around a line.

The gauge pressure at which a safety valve visibly and audibly opens or at setting which a relief valve discharges an unbroken stream of liquid.

To give the steersman the de-sired course to be steered.

To take in the slack and secure the standing rigging.

To lower, sink deeper.

Said of a vessel when water level has fallen from the level at which she would float, so she would be aground and need to wait for the next tide before re-floating. Also said of the water that has receded and caused a vessel to go aground.

A navigational instrument used to measure the altitude of celestial bodies

A U-shaped fitting closed with a pin across the open ends, the pin sometimes being threaded at one end and sometimes held in place with a cotter pin, and used to secure sails to lines or fittings, lines to fittings, fittings to fittings, anchors to chain, ...

A U-shaped piece of iron or steel with eyes in the end closed by a shackle pin.

A cylinder used to carry rotating machine parts, such as pulleys and gears, to transmit power or motion; such as a propeller shaft.

The part of the rotating element on which the rotating parts are mounted and by means of which energy is transmitted from the prime mover.