Periodic publications containing details of any alterations to charts, to keep them up to date.

Recovering and utilizing the heat content of the compressed air.

The record of courses steered and distances traveled since the time a ship's position was last fixed by shore or astronomical observations.

Provision in a salvage agreement that money is not payable unless the property is salved in accordance with that accordance.

The middle watch.

The outer resin surface of a fiberglass boat, usually colored.

A command to stop or cease immediately what one is doing.

The place where a vessel lies. The place in which a man sleeps.

A through hull valve, a shut off on a plumbing or drain pipe between the vessel and the sea

One who is adept at splicing, knotting, and working with line and canvas.

A black ball visible in all directions, displayed in the forward part of a vessel to indicate that the vessel is anchored.

A situation in which waves strike a boat from the side, causing it to roll unpleasantly.

Is the ratio of actual capacity to piston displacement, stated as a percentage.

A mechanical, electrical, or manually operated pump used to remove water from the bilge.

Setting rate within a conference tariff that is different from the rate(s) for the same items established by other conference members.

The extension of an air actuator beyond its design height.

An inspection method for welding, forgings etc. based on the ability of certain types of liquids to enter voids and crevices by capillary action and to remain there when the surface liquid is removed.

Any raised portion of a vessel/s hull above an upermost continuous deck such as a poop, bridge or forecastle and extending from side to side of the vessel.

Said of the anchor when just clear of the bottom (leaving or moving).