SS Atlantic Empress

SS Atlantic Empress was a Greek oil tanker that in 1979 collided with the oil tanker Aegean Captain in the Caribbean, and eventually sank, having created the fifth largest oil spill on record and the largest ship-based spill having spilled 287,000 metric tonnes of crude oil into the Caribbean Sea. It was built at the Odense Staalskibsværft shipyard in Odense, Denmark, and launched on 16 February 1974.

History
Liberia
Name: SS Atlantic Empress
Owner: South Gulf Shipping Co. Ltd., Greece
Builder: Odense Staalskibsværft, Odense, Denmark
Yard number: 49
Launched: 16 February 1974
Completed: April 1974
Identification: IMO number: 7359975
Fate: Sank, 3 August 1979
General characteristics [1]
Type: VLCC
Tonnage:
  • 128,398 GT
  • 110,660 NT
  • 292,666 DWT
Length:
  • 347.2 m (1,139 ft 1 in) o/a
  • 330.7 m (1,085 ft 0 in) p/p
Beam: 51.8 m (169 ft 11 in)
Draught: 22.1 m (72 ft 6 in)
Depth: 28.4 m (93 ft 2 in)
Propulsion: Steam turbines, 23,866 kW (32,005 hp), 1 screw
Speed: 16 knots (30 km/h; 18 mph)

Ship history

The Atlantic Empress was a large crude oil carrier built at the Odense Staalskibsværft shipyard in Odense, Denmark, and launched on 16 February 1974. At the time of her sinking, she was owned by the South Gulf Shipping Company of Greece, and flagged in Liberia.[1]

Collision and sinking

On 19 July 1979 Atlantic Empress collided with the Aegean Captain, another fully laden Greek supertanker, 18 nautical miles (33 km) east of the island of Tobago. At the time of the collision Atlantic Empress was sailing from Saudi Arabia to Beaumont, Texas, with a cargo of light crude oil owned by Mobil Oil. Aegean Captain was en route to Singapore from Aruba.[2]

In heavy rain and thick fog the two ships did not sight each other until they were 550 metres (600 yd) apart. Aegean Captain changed course, but it was too late; at 7:15 p.m, the two ships collided, with the Empress tearing a hole in the Captain's starboard bow. Large fires began on each ship, which were soon beyond the control of the crews, who abandoned their ships.[2]

The collision and fire claimed the lives of 26 of the Empress's crew members, and one crew member on the Captain.[3] The remaining crew from both ships were taken to Tobago for medical treatment, while the Empress's captain was transported to a hospital in Texas, having inhaled fire.[2]

Firefighters from the Trinidad and Tobago Coast Guard brought the fires aboard the Captain under control the next day, and members of her crew returned to the ship, and were able to bring her into Curaçao, where her cargo was off-loaded. Meanwhile, a five-man specialist emergency crew from the Dutch Salvage organization Smit International [4] and the German Bugsier, managed by a Salvage inspector of Smit International, attempted to control the fire aboard Empress, and contain the spreading oil slick. Two tugs (one of them being the Smit Zwarte Zee) towed the burning ship further out to sea.[2]

On 24 July, a week after the collision, the Empress was still burning, and also listing, when an explosion occurred that increased the rate of flow. The next day another larger explosion increased the rate to 26 to 57 cubic metres per hour (7,000 to 15,000 gal/h), twice the previous rate. Finally, on 3 August, the Empress sank, having spilled 287,000 metric tonnes of crude oil into the Caribbean Sea.[2]

By comparison, in the Exxon Valdez spill ten years later 37,000 metric tonnes of oil was released.[5]

See also

References
  1. Visser, Auke (2012). "Atlantic Empress". International Super Tankers. Retrieved 1 November 2012.
  2. Soter, Tom (October 1979). "Supertankers Collide in Caribbean". Firehouse. Cygnus Business Media. Retrieved 1 November 2012.
  3. Gillis, Carly (17 September 2011). "Atlantic Empress And Aegean Captain Oil Spill: A Brief History". CounterSpill. Retrieved 1 November 2012.
  4. Jan Sonneveld, one of the five salvage team
  5. "Major Tanker Oil Spills". International Tanker Owners Pollution Federation. 2012. Retrieved 1 November 2012.
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