The ''Alaska''-class oil tanker is a class of

VLCC tanker An oil tanker, also known as a petroleum tanker, is a ship designed for the bulk transport of oil or its products. There are two basic types of oil tankers: crude tankers and product tankers. Crude tankers move large quantities of unrefined cru ...

s built by

National Steel and Shipbuilding Company National Steel and Shipbuilding Company, commonly referred to as NASSCO, is an American shipbuilding company with three shipyards located in San Diego, Norfolk, Virginia, Norfolk and Mayport (Jacksonville), Mayport. It is a division of General Dy ...

San Diego San Diego ( , ; ) is a city on the Pacific Ocean coast of Southern California located immediately adjacent to the Mexico–United States border. With a 2020 population of 1,386,932, it is the List of United States cities by population, eigh ...

. The tankers are

double-hull A double hull is a ship hull design and construction method where the bottom and sides of the ship have two complete layers of watertight hull surface: one outer layer forming the normal hull of the ship, and a second inner hull which is some dis ...

ed as mandated by the Oil Pollution Act of 1990, and will replace the existing fleet used by BP in the

Alaska Alaska ( ; russian: Аляска, Alyaska; ale, Alax̂sxax̂; ; ems, Alas'kaaq; Yup'ik: ''Alaskaq''; tli, Anáaski) is a state located in the Western United States on the northwest extremity of North America. A semi-exclave of the U.S., ...

n area.

Design

Ships in class

Four ships have been completed: ''Alaskan Frontier'', ''Alaskan Explorer'', ''Alaskan Navigator'', and ''Alaskan Legend''.

Derivatives

The design was the basis of the ''Montford Point'' class of Mobile Landing Platforms for the US Navy.

References

{{reflist Oil tankers Petroleum in Alaska Ships of BP Ship classes