A spar from which a square sail is hung. A long spar, tapered at the ends, attached at its middle to a mast and running athwartships at right angles to the mast; used to support the top of a square sail. The yard can pivot (be braced) around the mast. At ...

A deck with legs that can be jacked up or down. During operations, the legs rest on the sea-bed. When the rig is moved, the legs are retracted, leaving the rig floating. A jackup has normally no propulsion machinery of its own.

Western Truck Lines.

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Jettisoned goods that cast overboard and are buoyed for subsequent recovery.

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Agricultural Trade Development and Assistance Act of 1954.

A block of wood or a bracket attached to a spar to support another spar attached to it.

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Inlet guide-vane valve. Valve assembly at the air inlet of a "blower" (single stage, low pressure, centrifugal air compressor). Usually advised to be mounted in very close proximity to the "blower" impeller. Provides "pre-swirl" of air flow in same rotati ...

North Pacific Coast Freight Bureau.

Code of minimum conditions for the carriage of cargo under a bill of lading.

A line or cable secured between two points and used as a support for various purposes.

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Description of a vessel when she rolls or pitches excessively while underway in heavy seas.

(1) Any pin that is used to prevent a fitting from falling open. (2) A pin used to keep the anchor attached to its anchor roller when not in use.

An unusually strong wind. In storm-warning terminology, a wind of 34 to 47 knots (39 to 54 miles per hour or 62-87 kilometers per hour).

Department of Transportation.

A document prepared by a transportation line at the point of a shipment; shows the point of the origin, destination, route, consignor, consignee, description of shipment and amount charged for the transportation service. It is forwarded with the shipment ...