Glossary of Shipping Terms

J&WOÂ
Jettison and Washing Overboard.Â

JACKUPÂ
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 backup has normally no propulsion machinery of its own.Â

JETSAMÂ
Goods from a ship's cargo or parts of its equipment that have been thrown overboard to lighten the load in time of danger or to set a stranded ship adrift.Â

JOINT VENTUREÂ
A term of business partnership involving joint management and the sharing of risks and profits between enterprises sometimes based in different countries.Â

JONES ACTÂ
Merchant Marine Act of 1920, Section 27, requiring that all U.S. domestic waterborne trade be carried by U.S.-flag, U.S.-built, and U.S.-manned vessels.Â

JONES ACTÂ
An act of the U.S. Congress prohibiting foreign flag carriers from participating in the U.S. intercoastal trade by water. It currently is applicable in such trade lanes as the U.S. continental states to and from Hawaii and Alaska.Â

JUST IN TIME (JIT)Â
The principle of production and inventory control in which goods arrive when needed for production or use.

Glossary of Shipping Terms

You are here:

Glossary of Shipping Terms