American Shipbrokers Association

A fitting holding a boom or gaff to the mast.

Filter rating indicating the approximate particle size for which the majority will not pass through a given filter. It is generally interpreted as meaning that 85% of the particles of size equal to the nominal filter rating will be retained by the filter.

To keep a weather eye is to be on the alert (heads up).

imposes a 50-percent tariff on maintenance and repair work done on U.S.-flag vessels in foreign shipyards. Also, U.S.-flag vessels must either be built in the United States or have been a U.S.-flag vessel for at least 3 years to be eligible to carry prefe ...

To attach a line to something so that it will not move.

A penalty charge against shippers or consignees for delaying carrier's equipment beyond allowed time. Demurrage applies to cargo; detention applies to equipment. See Per Diem.

Seaman's scornful name for any lead of a rope by which effort is lost or wasted.

Meddling or fooling around.

The natural tendency of a sailboat to come up into the wind. The helm must be held over to keep the boat from coming up

A device to record temperature in a container while cargo is en route.

A small vessel fitted for towing.

To fill the seams of a vessel with pitch.

An instrument for measuring, testing, or registering.

A light sail, such as a spinnaker, used to make the most of light following winds.

a wind coming from the northeast

A labyrinth type filter having the active surfaces continuously splashed with oil. Most pollutants are absorbed by the oil which when circulated releases its pollutants, which sink by gravity to the bottom of the oil pan.

Dangerously steep and breaking seas due to opposing currents and wind in a shallow area.

A genoa jib. A large jib that overlaps the mast.

Seaward, a safe distance from shore; To keep an offing is to keep a safe distance away from the coast because of navigational dangers, fog, or other hazards.