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

Towards, near, or at the bow; Prefix denoting at, near, or toward the bow.

A distress call made by a vessel requiring assistance. These three letters were chosen because they were easy to make and read using Morse Code. Some believe the letters meant "Save Our Ship" or "Save Our Souls".

Also known as (U.S.) Federal Bill of Lading Act of 1916. U.S. federal law enacting conditions by which a B/L may be issued. Penalties for issuing B/L's containing false data include monetary fines and/or imprisonment.

Achieved when the air compressor is running at full RPM with a fully opened inlet and discharge, delivering the maximum volume at the rated pressure.

A built in mechanical device to recover a portion of the power consumed by a constant speed centrifugal compressor when operating at reduced capacity or reduced pressure rise, or both.

Galley smokestack or chimney.

An instrument with a movable arm to plot a course on a chart

In sailboat racing, to take to opposite tack of the rest of the fleet when behind, hoping that the wind will shift to your benefit.

Pair of hooks linked together and attached to a crane.

The renting of a boat

An object made with more than one type of material.

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

A legally binding agreement between two or more persons/organizations to carry out reciprocal obligations or value.

PSI - Pounds per square inch.

A board that can be raised and lowered by pivoting in a watertight box called the trunk or well to increase the draft and lateral area of the hull, preventing the boat from sliding sideways. Unlike a daggerboard, which lifts vertically, a centerboard pivo ...

A machine used to pick up and move goods loaded on pallets or skids.

To move ahead swiftly. To move ahead of another vessel quickly when underway.

Sails that lie in the direction of the ship's length and whose luffs abut the masts or are attached to stays.

Is a positive displacement reciprocating compressor using a flexible membrane or diaphragm in place of a piston.