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

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

A canvas canopy secured over the ship's deck as a protection from the weather (covering).

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.

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

A right claim against the guarantors of a loan or draft or bill of exchange.

(turbine oils) -- a test for determining the ability of an oil to aid in preventing the rusting of ferrous parts in the presence of water.

Dioctylphalate aerosol (Efficiency Test Material).

Recovering and utilizing the heat content of the compressed air.

Towards the sides of the vessel (with reference to the centerline).

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.

Required by some countries for protection against the dumping of certain types of merchandise or products.

Old sailing ship term for taking a nap.

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

Cargo ship of 14.800 tonnes deadweight.

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

The amount of air that a filter can handle. Expressed in CFM.

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

Overboard and by the ship's side.