The operation of reducing a sail by taking in one or more of the reefs.

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

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

This property of a gas is the weight of air or gas per unit volume. Unless specified, it refers in compressor practice to the weight per unit volume at conditions of total temperature, total pressure and composition which prevail at the compressor intake.

An order to stop hoisting.

A hawser or line attached to an anchor.

An air operated device for hoisting or pulling. Similar to a winch

An oil-skin hat with broad rear brim.

A table designated as the area in the boat where the navigator will study charts and plot courses.

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

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

(1) Sighting two objects in a line to indicate a course to be steered (2) The distance a boat can travel using the fuel stored aboard.

The ratio of fuel consumption to compressor capacity.

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

A smaller version of the flag of the country being visited. It is flown from the starboard spreader.

A sheet or halyard coiled so that it will run out quickly without becoming tangled.

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

To communicate with a vessel in sight.

The distinguishing qualities of a navigational light, including its color and whether it is fixed or flashing (and the flashing sequence).

Station, usually on the bridge, from which a ship is controlled; the act of so controlling.