Knock Nevis is a former tanker converted to an FSO (Floating Storage and Offloading). It is currently the longest vessel ever built at 458 m.
Knock Nevis was previously known as, Seawise Giant, Happy Giant, and Jahre Viking,
Knock Nevis was sold to Indian ship breakers in January 2010. She sailed to Alang, Gujarat, India with a new name, "Mont," and under a new Flag State, Sierra Leone, where she was intentionally beached in preparation for demolition.