A shortening of the term, "Roll On/Roll Off." A method of ocean cargo service using a vessel with ramps which allows wheeled vehicles to be loaded and discharged without cranes.

Small stuff seized across a hook to prevent it from unshipping (once hooked, mousing keeps the hook on).

A published rate that is never assessed because no freight moves under it.

Wind blowing from off the shore.

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.

A navigational aid that emits radio waves for navigational purposes. The radio beacon's position is known and the direction of the radio beacon can be determined by using a radio direction finder.

States that equal volumes of all gases under the same conditions of pressure and temperature contain the same number of molecules.

The whole crew.

Government officials responsible for regulating goods, services and supplies into a country.

Shipped under rate that includes cost from end of ship's tackle at load port to end of ship's tackle at discharge port.

The direction of an object (with reference to you, your ship, another object).

To lash up.

To spin out of control and capsize or nearly capsize; The turning of a boat broadside to the wind or waves, subjecting it to possible capsizing; a turning or swinging of the boat that puts the beam of the boat against the waves, creating a danger of swamp ...

The warehouse or public stores to which samples of imported goods are taken to be inspected, analyzed, weighed, etc. by examiners or appraisers.

An adsorption type material used in compressed air dryers. Industry standards are activated alumina, silica gel and molecular sieves.(2) A material used to desiccate (dry) or dehumidify air.

Machines in which the compressing element is a piston having a reciprocating motion in a cylinder.

The top of a wave.

(1) The edge where the deck joins the hull; top edge of bulwarks. (2) The railing around the deck.

Old name for bunting from which signal and other flags were made.

A vessel is in soundings when she is in sufficiently shallow water for soundings to be made and used as an aid in the vessel's navigation.