1.Seawise Giant
Seawise Giant was the longest self-propelled ship in history, built in 1974–1979. The heaviest self-propelled ship of any kind, and with a laden draft of 24.6 m (81 ft), she was incapable of navigating the English Channel,[5] the Suez Canal or the Panama Canal. She was sunk in 1988 during the Iran–Iraq War, but was later salvaged and restored to service.
2.Pierre Guillaumat
Built in 1977, Pierre Guillaumat was one of four Batillus class supertankers. It had a length of 414.23 m (1,359 ft), a deadweight tonnage of 555,051, a gross tonnage of 274,837 and was named after the French politician.
3.Prairial
Similar to the other Batillus class oil tankers, Prairial was built in the Chantiers de l’Atlantique shipyard located in Saint-Nazaire, France. It measures an impressive 414.22 m or 1,359.0 feet in length. Its deadweight tonnage was 555,046 and its gross tonnage was 274,825.
