Canvas or wood seat attached a halyard to raise and lower someone to work on the mast

A severe type of food poisoning caused by eating contaminated fish

The operation of secretly bringing goods into a country to avoid paying duty on the goods. Also applies to illicit goods.

A block with a single sheave which is hinged and opens on the side so that the bight of a line can be led into the block and closed without running the whole length through

A symbol placed on packages for identification purposes; generally a triangle,square, circle, etc. with letters and/or numbers and port of discharge.

Consists of a vessel which is a combination of oil sump and oil separator, an oil cooler and an oil filter.

The number of revolutions per minute of the compressor shaft.

A blast of from 4 to 6 seconds' duration.

The Greek god of the sea.

Trailer on which shipping containers are carried when moved by road.

Is the total pressure (static plus velocity) at the inlet flange of the compressor.

Foam or spray which is thrown out under the bow of a ship when she is under way. If fast moving with a lot of spray being thrown out, the vessel is said to have "A bone in her teeth".

The headway a vessel makes when luffed in the wind; the distance a sailing vessel will shoot up to windward when brought head to head in the act of tacking.

The opening between the jib and the mainsail. Wind passing through this opening increases the pressure difference across the sides of the mainsail, helping to move the boat forward.

The difference in pressure between the opening pressure and reclose pressure of a valve. May be expressed in percentage of set pressure or "psig".

An intermodal system for transporting containers by ocean and then by rail or motor to a port previously served as an allwater move (e.g., Hong Kong to New York over Seattle).

block

The highest navigation bridge. It usually includes an added set of controls above the level of the normal control station for better visibility.

A raised portion of the hull forward of the cockpit intended to prevent water entering.

The turbulent effect of air on the lee side of a sail when trimmed in too far.