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
SS Wafra oil spill record as the world's largest salvage tugs. SS Wafra oil spill The SS "Wafra" oil spill occurred on 27 February 1971, when SS "Wafra", an oil tanker, ran aground while under tow near Cape Agulhas, South Africa. Approximately 200,000 barrels of crude oil were leaked into the ocean. The larger part of the ship was refloated, towed out to sea, and then sunk by the South African Air Force to prevent further oil contamination of the coastline. "Wafra" left Ras Tanura in Saudi Arabia on 12 February 1971 bound for Cape Town, South Africa, with a cargo of (63,174 tonnes)