A flying bridge on top of a pilothouse or chart house.

Type of wrench used to tighten or loosen fire hose fittings.

A filter element so full of contaminants that no longer can pass rated flow without excessive pressure differential.

A small buoy that is used to mark the position of an anchor. It is attached to the base or crown of an anchor and can be used to recover the anchor if it has to be cast adrift, or to trip it if it becomes wedged.

The lower yard on a mizzen mast of a square-rigged ship.

The Roman god of the sea, associated with Salacia, the goddess of Salt Water.

Any steel bar or column, fitted vertically, to support a deck, or any part of a ship's structure. Also called a stanchion.

Compartment for the storage of oil or other fuel.

A unit of pressure used with vacuum pumps, equal to 1mm of mercury and 133.32 Pascal's.

Also stability sail or riding sail. Any small sail set to help the boat maintain its direction without necessarily moving, as when at anchor or in heavy weather.

When reciprocating compressors run, the moving parts such as pistons, rods, crossheads, connecting rods are repeatedly accelerated and retarded. These velocity changes set up pulsating inertia forces. The forces are of the first and second order. The firs ...

A certificate issued as a result of an examination of competency and experience. Some refer to their USCG license as their ticket

(1) A small wooden cask in which grog was carried. (2) A type of marine steam reciprocating engine where two engines were used together on the same propeller shaft.

An astray shipment (a lost shipment that is found) sent to its proper destination without additional charge.

A person whose business is to act as an agent on behalf of the shipper. A freight forwarder frequently makes the booking reservation.

A quality of compressed air for use with pneumatic instruments and controls. (usually dry and free from contaminants)

An audible or visual discharge at a pressure slightly lower than the set pressure on a valve. Warns the operator that the valve is about to open.

Is a heat exchanger located immediately preceding an ejector to condense and remove a portion of the vapor in the mixture and thus reduce the total lb/hr to be handled.

A metal pin by which the plating and other parts of iron and steel vessels are joined. Rivets are known by their heads, such as: Flush, pan, snap, plug, tap, countersunk, mushroom, and swollen neck.

Is the temperature at which water vapor begins to condense at atmospheric pressure. Is the same as dew point, but is related to atmospheric air only.