An auxiliary volume that may be opened to the clearance space for increasing the clearance, usually temporarily, to reduce the volumetric efficiency of the compressor.

A factor expressing the deviation of gas from the laws of hydraulics.

Speed through the water, not "over ground".

Port/berth delays

The shaft input per unit of compressor capacity.

Convention on International Regulations for Preventing Collisions at Sea.

A precursor to the sextant. An old navigational device for checking the altitude of the sun or stars.

The condition of the tide when there is no horizontal motion.

An extension of the keel for protection of propeller and rudder.

To reduce the volume of, by or as if by pressure.

Abbreviation for the Railway Service "Container On Flat Car."

Said of an anchor when the cable is taut and vertical.

A small double-pronged bendable pin used to secure a clevis pin or to keep turnbuckles from unwinding.

A sail attached to the forestay as opposed to a jib which is attached to the headstay.

National flag or insignia flown by a ship at sea.

A compressor that is designed to operate at lower pressures. Usually a blower is an air compressor that operates below 2 barg, although this figure depends upon the respective manufacturer.

An oil-skin hat with broad rear brim.

To communicate with a vessel in sight.

A government official residing in a foreign country who represents the interests of her or his country and its nationals.

A valve that controls the flow in air lines.