USNS Mercy
USNS Mercy leaving San Diego Bay, May 2008, built as SS Worth in 1974, converted to Mercy in 1984.
Class overview
BuildersNational Steel and Shipbuilding Company
SubclassesT-AH-19
Built1974-1978
Completed13
General characteristics
TypeOil tanker - two Hospital ships
Tonnage89,700 dwt
Length894 ft (272 m)
Beam105 ft (32 m)
Draft64 ft 6 in (19.66 m)
PropulsionSteam, 24,500 bhp (18,300 kW)
Speed16.5 knots (30.6 km/h; 19.0 mph) at 90% MCR, Full Load
Capacity32,5000 Cu feet
Crew21 (Hospital ship 1,000)
USNS Comfort (T-AH-20)

The San Clemente-class oil tanker is a class of oil tankers built by National Steel and Shipbuilding Company (NASSCO), San Diego. The size places them in the category of super tankers. They were built to serve the Trans-Alaska Pipeline System. At the time of completion National Steel and Shipbuilding Company was equally owned by Kaiser Industries Corporation and Morrison-Knudsen Company, Inc.

NASSCO also built the San Diego-class tankers at 180,000-dwt, Catalina-class tankers at 150,000- dwt and the Coronado-class tankers at 38,300-dwt. NASSCO also built for the US Navy Yellowstone-class destroyer tender (AD-41 class) at 19,800-ton each.[1][2]

Two ships were converted by NASSCO to T-AH-19 hospital ships. The two hospital ships were delivered to the US Navy in 1986 and 1987 as Naval Auxiliary Fleet ships. The two provided for the Navy deployable acute medical care facility. Each has 1,000-bed medical care unit. They are used for armed forces and mercy missions to damaged locations, like after a typhoon.[3][4][5][6][7][8]

Design

Each ship is 894 feet long, with a beam of 105 feet and depths-draft of 64 feet. This is the maximum size, known as Panamax, that can pass through the Panama Canal. All the ships in the class have a double hull bottom for safety. They came with anti-collision radar, bacteria-enzyme sewage treatment plant and high-capacity clean ballast systems. [9] [10]

Owners

  • Aeron Marine Shipping Co.
  • Third Group, Inc.
  • Maritime Overseas Corp. (now Overseas Shipholding Group)
  • Chestnut Shipping Co.
  • United States Navy

Ships in class

  • SS Beaver State, renamed Liberty Belle in 1988, scrapped 1995
  • SS American Heritage, Scrapped 1994
  • SS Golden Dolphin, launched on January 19, 1974, Explosion/sunk off Azores, 1982
  • SS Golden Endeavor, launched 1976, Scrapped 1995
  • SS Aframax
  • SS Overseas New York, Scrapped 2004
  • SS Overseas Chicago, Scrapped 2004
  • SS Overseas Ohio, renamed S/R Hinchinbrook in 2000, scrapped 2004
  • SS Overseas Washington, Scrapped 2006
  • SS Overseas Arctic [11]
  • SS Chestnut Hill, launched June 22, 1976.
  • SS Kittaning, launched February 20, 1977.

Converted to hospital ships

References

  1. ↑ Marine link, NASSCO Delivers Third In Series Of Four San Clemente-Class Tankers For OSG Subsidiary
  2. ↑ National Steel and Shipbuilding Company, Commercial Ship Portfolio
  3. ↑ Nuatic Exop, Oil tanker cargo ship, SAN CLEMENTE CLASS
  4. ↑ "Patient Care". Command Facilities. USNS Mercy. Archived from the original on 23 March 2010. Retrieved 31 August 2010.
  5. ↑ "Command Mission". USNS Mercy. Archived from the original on 2009-08-13. Retrieved 31 August 2010.
  6. ↑ "NATO Logistics Handbook: Chapter 16: Medical Support". nato.int. October 1997. Retrieved 13 October 2014.
  7. ↑ "Home". navy.mil. Archived from the original on 26 April 2015. Retrieved 4 May 2015.
  8. ↑ "USNS Comfort's Move From Baltimore To Norfolk To Save Navy Time & Money « CBS Baltimore". cbslocal.com. Retrieved 4 May 2015.
  9. ↑ Tanker Construction Program: Environmental Impact Statement, Volume 1, page 2-31
  10. ↑ shipbuildinghistory.com, NASSCO, San Diego CA
  11. ↑ Open Jury SS Overseas Arctic
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