At the time her keel was laid in 1972 she was the largest supertanker in the world at 378.85 meters (1,242 feet) and 483,684 tonnes (dwt).

[2] Owned by Globtik Tankers, London they were built by Ishikawajima Harima Heavy Industries in Kure Japan, now known as IHI Corporation.

[4] The third and largest ship in this class was the 484276 dwt Nissei Maru owned by Tokyo Tankers built in 1975 and scrapped in 2003.

The Tokyo was powered by steam turbines totaling 45,000 horsepower geared to a single shaft.

Surprisingly nimble for a ship her size, she had a turning circle shorter than three times her length and could stop in under three miles with her single screw in reverse.