Six feet. Comes from the Dutch word "fadom" which was the distance between fingertips of outstretched hands.A unit of measurement relating to the depth of water or to the length of line or cable; one fathom is 6 feet or 1.83 meters

Defect in the action of an aneroid barometer resulting in a sluggish adjustment of the index toward the correct reading when the barometer is subjected to a large and rapid change in pressure.

The discomfort or interference with visual perception when viewing a bright object against a dark background.

The Captain of a vessel. Highest officer aboard ship. Oversees all ship operations. Keeps ships records. Handles accounting and bookkeeping. Takes command of vessel in inclement weather and in crowded or narrow waters. Handles communications.

Navigation and Inspection Circular (US Coast Guard)

Time and date for payment of a draft.

Sailing with the tiller over to leeward by force of the wind

A wind shift that forces a boat to sail below its mean wind course.

A diagram that indicates the average percentage of time that the wind blows from different directions, on a monthly or annual basis.

ISM International Safety Management Code (ISM Code)

Mobility Requirements Study

The windward side (from where the wind is blowing).

Heating a ferrous alloy to a suitable temperature above the transformation range and then cooling in air to a temperature substantially below the transformation range.

A wood or gas burning heating appliance that fits into the opening or protrudes on to the hearth of a conventional fireplace.

Same as fogbow.

A class of power generator that is not a regulated utility and that has generating plants for the purpose of supplying electric power required in the conduct of their industrial and commercial operations.

The test or specimen electrode in an electrochemical cell.

The highest continuous deck which runs the full length of the ship without a fall or interruption.

An instrument that, once established, cannot be modified or cancelled without the agreement of all parties concerned.

The arrangement, proportion, and design of windows in a building.