A stationary vessel carrying a light used for navigation, serving the same purpose as a lighthouse.

The bearing of an object after magnetic variation has been considered, but without compensation for magnetic deviation.

A propeller drawn through the water that operates a meter on the boat registering the speed and distance sailed

A small crane that projects over the side of the boat to raise or lower objects (such as smaller boats) from or to the water.

The part of the rotating element of a dynamic compressor that imparts energy to the flowing medium by means of centrifugal force. It consists of a number of blades mounted so as to rotate with the shaft.

Rules for letters of credit drawn up by the Commission on Banking Technique and Practices of the International Chamber of Commerce in consultation with the banking associations of many countries. See Terms of Payment.

Six feet. Comes from the Dutch word "fadom" which was the distance between fingertips of outstretched hands.A unit of measurement relating to the depth of water or to the length of line or cable; one fathom is 6 feet or 1.83 meters

Arrival at land

On square-rigged ships, the blocks attached to those yards on which studdingsails were set.

Nickname for a ship's cooper.

The ring bolted to the upper end of the shank of an anchor and to which the bending shackle secures.

Official terminology for life jacket. When properly used a PFD will support a person in the water. Also called a life jacket, life preserver or life vest.

A vessel discharges part of its cargo at anchor into a lighter to reduce the vessel's draft so it can then get alongside a pier.

The bridge used for taking observations, or directing the handling of the ship.

Condition of a sailing ship when all sails have been taken down in a severe storm, very often a hazardous undertaking if there is a high sea running.

A line used to tighten the leech of a sail, helping to create proper sail shape.

Nautical name for an anchor. Originally, was a stone used as an anchor.

An air flow caused by a fan that draws air through the heat exchanger core in a uniform pattern to dissipate the sensible heat.

A lubricating oil made with synthetic base stocks.

Cargo discharged in excess of the quantity on the manifest.