A temporary repair or replacement using improvised materials and parts.

(1) As a command, it means to go in the direction indicated, e.g., "Lay foward" (go up) or "Lay alow!" (come down). (2) Of a line or rope, it refers to the direction in which the strands are twisted. (3) Lay the course: able to fetch a given point when cl ...

Underwriters Lab.

Privilege to use the rate producing the lowest charge.

The act of striking or collision of a moving vessel against a stationary object.

Term for a seaman's short leave from his ship, permitting him to go ashore for the day or night.

To let the sheet out slowly while maintaining control.

A colorless, odorless, tasteless gas. A mixture of individual gases. The gaseous mixture surrounding the earth. Standard density of dry air free of carbon dioxide (0

A sea on the quarter (coming from a side of the stern).

Nautical name for an argumentative person.

Any fixed object that a navigator may use to find his position, such as permanent land or sea markers, buoys, radiobeacons, and lighthouses, and to indicate safe and unsafe waters.

Practice of loading iron ore cargoes into every alternate hold, leaving the remaining holds empty.

A mast that is stepped (placed) on the deck of a boat rather than through the boat and keel stepped. The mast of a deck stepped boat is usually easier to raise and lower and are usually intended for lighter conditions than keel stepped boats.

Sailing on a run with the wind coming over the stern from the same side as the boom (danger of jibing).

Sequence of letters and numbers, unique to each ship by which ships can be identified.

Metal bolts with an eye in the end.

Resting on the surface of the water.

A type of filter capacity test in which a clogging contaminant is added to the influent of a filter, under specified test conditions, to produce a given rise in pressure drop across the filter or until a specified reduction of flow is reached. Filter life ...

Describes the pressure drop through a component and is the difference in pressure between two points.

A forceful resistance to recognized authority. A refusal to obey a legal order of a superior officer is also considered mutiny.