Alaska Tanker Company Other service
Alaska Class Tanker Fleet
Four NASSCO-built 1.3 million barrel double-hull tankers with twin diesel-electric power, twin engine rooms, twin propellers and twin rudders.
Description
ATC operates four "super redundant" Alaska Class double-hull tankers built by National Steel and Shipbuilding Company (NASSCO) in San Diego between 2004 and 2006, representing a capital investment in excess of $1 billion. All are US-registered and classed by the American Bureau of Shipping.
Key features
- 1.3 million barrel capacity
- Twin diesel-electric power systems in twin engine rooms, for reduced air emissions
- Twin propellers and twin rudders; 26,820 S.H.P.
- Propeller shafts lubricated with seawater instead of oil
- Cargo piping installed inside the cargo tanks rather than on deck to reduce spill risk
- Beam 50 m and summer loaded draft 18.8 m
Specifications
| Builder | National Steel & Shipbuilding Co. (NASSCO) |
|---|---|
| Years built | 2004-2006 |
| Capacity | 1.3 million barrels |
| Horsepower | 26,820 S.H.P. |
| Beam (molded) | 50 m (164.0 ft) |
| Draft (summer loaded) | 18.8 m (61.7 ft) |
| GRT | 110,693 |
| Classification | ABS |
| Propulsion | Twin diesel-electric, twin engine rooms, twin propellers |
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