Line 12 inches or 300 mm long, painted amidships on both sides and parallel to the load lines.

In square-rigged vessels, short lines at the lower end of the futtock shrouds used to bring in the shrouds tighter to give room to brace the yards at a sharper angle when sailing close hauled.

ACRONYM - A unit of electrical current or rate of flow of electrons through a conductor. One volt across one ohm of resistance causes a current flow of one ampere. One ampere is equal to 6.25 x 1018 electrons per second passing a set point in a circuit. A ...

Yes. "Aye aye sir" is a reply on board ship on receipt of an order.

A metal plate fitting on the deck that can be opened to take on fuel or water

The situation of a vessel when listed over by the wind to such an extent that she does not recover.

The measurement around the body of a ship. The half girth is taken from the center line of the keel to the upper deck beam end.

A device for drying compressed air by means of condensation obtained by over-compression or cooling, absorption, adsorption or a combination of the above methods.

Are any material with an affinity for moisture. These analyzers use sensing elements that contain moisture adsorbing material. A change in the moisture content of the element is detected by an electric network and is used as a measurement of dew point

To revolve the drum of a capstan, winch or windlass. (Pulling with mechanical deck heaving gear).

The working portion of a cruise between ports. A long cruise may have many legs. The distance sailed on one tack. The course from one race mark to another.

An instrument used to keep a record of atmospheric pressure, such as on a paper drum.

To move cargo up line to a vessel leaving sooner than the one booked. (See "Roll.")

(1) Broken water at bow of a vessel making way. (2) Disturbed water made by a propeller or paddle wheel. (3) The rush or sweeping of waves on a bank, shore, or vessel.

A temporary repair or replacement using improvised materials and parts.

To combine or charge with gas.

One carrier assumes the charges of another without any increase in charges to the shipper.

A shifting of the wind direction, opposite of backing. Clockwise in the northern hemisphere, counter-clockwise in the southern hemisphere.

Generally speaking the word amidships means in the middle portion of a vessel.

Fitted with cabins and catering facilities for offshore crews. Semisubmersible accommodation units are ofte called "Flotels".