In square-rigged vessels, short lines at the lower end of the futtock shrouds used to bring in the shrouds tighter to give room to brace the yards at a sharper angle when sailing close hauled.

Line 12 inches or 300 mm long, painted amidships on both sides and parallel to the load lines.

Term for disabled vessel that had to fall out of a convoy and thus became easy prey for submarines.

A shifting of the wind direction, opposite of backing. Clockwise in the northern hemisphere, counter-clockwise in the southern hemisphere.

A type of filter capacity test in which a clogging contaminant is added to the influent of a filter, under specified test conditions, to produce a given rise in pressure drop across the filter or until a specified reduction of flow is reached. Filter life ...

Angled frames in the extreme forward or aft ends of a ship which form the sharp ends of the vessel's hull.

One carrier assumes the charges of another without any increase in charges to the shipper.

The falling tide when the water recedes out to the sea and the water level lowers; a period or state of decline.

The act of striking or collision of a moving vessel against a stationary object.

Quantity of gas actually compressed and delivered to the discharge system at rated speed of the machine and under rated pressure conditions.

Is the force in newton required to move a fluid layer of one square meter area and a thickness of one meter with a velocity of one meter per second.

Not attached to the shore or the ground in any manner. Usually, but not necessarily, moving through or making way through the water.

Can occur any time warm, moist air blows over a surface cool enough to drop it's temperature below the dew point.

A metal plate fitting on the deck that can be opened to take on fuel or water

The interval between full moon and change of moon and the highest high tide.

A navigation instrument used to measure the apparent height of a landmark whose actual height is known, such as the top of a lighthouse. From this information, the ship's distance from that landmark can be calculated.

An instrument used to keep a record of atmospheric pressure, such as on a paper drum.

(1) The last position on a chart, when a ship is leaving the land.(2) The number of nautical miles that one place is eastwards or westwards of another. (3)The easting or westing made by a vessel. The bearing of an object on the coast from which a vessel c ...

To let the sheet out slowly while maintaining control.

Privilege to use the rate producing the lowest charge.