UFC

Abbreviation for “Uniform Freight Classification.”

ULCC

Ultra Large Crude Carrier. A tanker in excess of 320,000dwt.

Ullage

The space not filled with liquid in a drum or tank.

UN/EDIFACT

United Nations EDI for Administration, Commerce and Transport. EDI Standards are developed and supported by the UN for electronic message (data) interchange on an international level.

Unclaimed Freight

Freight that has not been called for or picked up by the consignee or owner.

Underway

A vessel is underway when it is not at anchor, made fast to the shore, or aground.

Unit Load

Packages loaded on a pallet, in a crate or any other way that enables them to be handled at one time as a unit.

Unit Train

A train of a specified number of railcars, perhaps 100, which remain as a unit for a designated destination or until a change in routing is made.