Double-hulled tanker Double-hulled tanker A double-hulled tanker refers to an oil tanker which has a double hull. They reduce the likelihood of leaks occurring than in single-hulled tankers, and their ability to prevent or reduce oil spills led to double hulls being standardized for oil tankers and other types of ships including by the International Convention for the Prevention of Pollution from Ships or MARPOL Convention. After the Exxon Valdez oil spill disaster in Alaska in 1989, the US Government required all new oil tankers built for use between US ports to be equipped with a full double hull. A number of
Katina P Katina P Katina P was a Greek oil tanker carrying 72,000 tonnes of oil which sank off the Mozambique coast on 26 April 1992. On 17 April 1992, the master of the Greek-owned, Maltese-flagged vessel "Katina P" deliberately ran the ship aground north of Maputo in Mozambique and then abandoned ship. The tanker, which had been under way from Venezuela to the Persian Gulf, had lost a hull plate during a storm. Two of the vessel's tanks had ruptured and spilled some 13,000 tonnes of #6 heavy fuel oil in the Mozambique Channel. A further 3,000 tonnes leaked from the