The normal working pressure for an air motor (6 bar).

The document containing all particulars relating to the terms of agreement between the Master of the vessel and the crew. Sometimes called ship's articles, shipping articles.

ACRONYM - Approach temperature. Usually the difference between cooling water temperature in to compressed air temperature out of an inter-cooler or after-cooler. Sometimes used to define oil cooler efficiency (cooling water temperature in to oil temperatu ...

Originally meant "to stow cargo". Now, means "to search a ship carefully and thoroughly".

Navigation rules governing waters inside designated demarcation zones

To assist or help.

A design in which the forestay does not go to the very top of the mast, but instead to a point 3/4-7/8 of the way up the mast.

Various means for allowing LNG tanks to expand and contract due to temperature changes by sliding on the tank supports while restricting its movement due to the motion of the vessel.

The region around the equator between the Tropic of Cancer and the Tropic of Capricorn. The tropics are known for their warm weather.

Slang expression to indicate that a ship was not fitted with any mechanical aids, and that all the work of the ship had to be done with the strong arms of the crew.

Container freight station or a designated area where empty containers can be picked up or dropped off.

Ocean vessels constructed with heavy-duty submersible hydraulic lift or elevator system at the stern of the vessel. The Sea-Bee system facilitates forward transfer and positioning of barges. Sea-Bee barges are larger than LASH barges. The Sea-Bee system i ...

A device invented by Captain Jacques Cousteau in 1943 to enable a diver to operate underwater independent from an air supply from the surface.

A type of knot used to fasten an anchor to its line.

The bow and forward part of the vessel above the waterline.

A region near the earth in which the relative velocity increases from zero with elevation, due to the motion of the atmosphere relative to the earth's surface.

To search for a sunken object by towing a grapnel along bottom.

The stationary seating surface, the inlet of a valve.

See insurance.

A navigational instrument used to measure the altitude of celestial bodies