A dust-collection chamber containing numerous permeable fabric filters through which the exhaust gases pass. Finer particulates entrained in the exhaust gas stream are collected in the filters for subsequent treatment/disposal.

To trim the sheets in.

A sea with waves approaching from the stern of the boat; a sea in which the waves are moving in the same direction as the vessel

Metal or plastic pieces attached to a sail's luff that slide in a mast track to allow easy hoisting of the sail.

A slide which travels on a track to which the mainsheet may be attached. The sail shape can be subtly altered by changing the mainsheet position on the traveler.

A solid adsorbent used for drying compressed air.

Allows foreign merchandise arriving at one port to be transported in bond through the U.S. to be exported from another port, without paying duty.

GMT for short. Greenwich Meridian Time, also known as Universal Time or Zulu time. A time standard that is not affected by time zones or seasons. It is the time used by navigators in celestial navigation.

On wooden vessels, the frames or ribs of a ship, connected to the keel, which give shape and strength to the ship's hull.

A draft to which no documents are attached.

A large solid post on a wharf or pier for securing mooring lines; the same when constructed on the deck of a ship.

A term indicating that a vessel is holding her own against a contrary current.

Slang sailing expression for a piece of metal or shroud that can cut or stab you.

A government document declaring designated goods to be shipped out of the country. To be completed by the exporter and filed with the U.S. Government.

A small boat with the mast stepped far forward, carrying a single sail

Ice in an area containing several small pieces of floating ice, but with total water area exceeding total area of ice.

Metal fitting attached to the hull that supports and aligns the aft portion of the propeller shaft.

A person who arranges for transportation of loads for a percentage of the revenue from the load.

A line leading forward from the end of a mainsail boom to prevent the boom from swinging inboard while broad reaching or running. also Preventer

To run a line completely through and out of a block, fairlead, etc.