Double-hulled tanker after 6 July 1993 to be fitted with double hulls, or an alternative design approved by IMO". However, in the aftermath of the Erika incident of the coast off France in December 1999, members of IMO adopted a revised schedule for the phase-out of single-hull tankers, which came into effect on 1 September 2003, with further amendments validated on 5 April 2005. After the Exxon Valdez oil spill disaster, when that ship grounded on Bligh Reef outside the port of Valdez, Alaska in 1989, the US Government required all new oil tankers built for use between US ports to be
Exxon Valdez or 257,000 to 750,000 barrels. In 1989, the "Exxon Valdez" oil spill was listed as the 54th largest spill in history. The tanker was 301 meters long, 51 meters wide, 26 meters depth (987 ft x 166 ft x 88 ft), with a deadweight of 214,861 long tons and a full-load displacement of 240,291 long tons. The ship was able to transport up to 235,000 m³ (1.48 million barrels) at a sustained speed of 16.25 knots, powered by a (31,650 shp) diesel engine. Her hull design was of the single-hull type, constructed by National Steel and Shipbuilding Company in San