Short maritime terms glossary - part 9
ULCC - Ultra Large Crude Carriers. Tankers larger than 300,000 dwt.
UNCTAD - United Nations Conference on Trade and Development
UNMANNED MACHINERY SPACES - A space where alarm bells are installed on the bridge of a ship to trace or rectify any machinery faults. The computerized devices will report any fault immediately it appears and the engineers on board can attend to the necessary ramifications.
UNSEAWORTHINESS - The state or condition of a vessel when it is not in a proper state of maintenance, or if the loading equipment or crew, or in any other respect is not ready to encounter the ordinary perils of sea.
U. S. EFFECTIVE CONTROLLED FLEET - That fleet of merchant ships owned by United States citizens or corporations and registered under flags of "convenience" or "necessity" such as Liberia or Panama. The term is used to emphasize that, while the fleet is not U.,$.-flag, it is effectively under U. S. control by virtue of the ship's owners and can be called to serve U. S. interests in time of emergency.
U. S.-flag vessels - are registered in the United States and are subject to additional U. S. laws and regulations to which foreign-flag vessels are not. They must be owned by U. S. citizens, corporations, or governments and must be crewed mainly by U. S. citizens.
VLCC - Very Large Crude Carriers: Tankers between 200,000 and 300,000 dwt.
VOYAGE CHARTER - A contract whereby the shipowner places the vessel at the disposal of the charterer for one or more voyages, the shipowner being responsible for the operation of the vessel.
WATCH - The day at sea is divided into six four hour periods. Three groups of watchstanders are on duty for four hours and then off for eight, then back to duty. Seamen often work overtime during their off time.
WEATHER PERMITTING - That time during which weather that prevents working shall not count as laytime
WIBON - Whether in berth or not
WORLDSCALE - An index representing the cost of time chartering a tanker for a specific voyage at a given time. The index is given at Worldscale 100, which represents the price in dollars per ton for carrying the oil at that rate. The negotiated rate will be some percentage of the index value.
FOR EXAMPLE:
W1OO on the voyage Ras Tannra - Rotterdam (Cape-Cape) =
$31.16/ton of oil
W25 = 25% of W1OO
W25 = $7.79/ton of oil
N. B. rates may be above as well as below W1OO
WW - Weather working
YAR 1974- York Antwerp Rules