Type C6 ship

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Auxiliary Crane Ship SS Grand Canyon State
Type C6 ship SS Grand Canyon State as a converted auxiliary crane ship.
Class overview
Builders:
Operators: United States Maritime Commission
Preceded by: Type C4 and C5 class ships
Succeeded by: Type C7 container ship
Subclasses: Four
Completed: 19
Active: 1
Laid up: 1; 3 in NDRF
Scrapped: 15
General characteristics
Type:
  • C6-S-1qa partial container ship (3 converted from C4-S-1a)
  • C6-S-1w container ship (8 converted from C4-S-1a)
  • C6-S-85a container ship (4 new built)
  • C6-S-85b container ship (3 new built)
Tonnage:
  • 16,820 gross tons (C6-S-1qa)
  • 15,830 gross tons (C6-S-1w)
  • 21,150 gross tons (C6-S-85a)
  • 21,500 gross tons (C6-S-85b)
Length:
  • 668.65 ft (203.80 m)(C6-S-1qc)
  • 661.17 ft (201.52 m) (C6-S-1w)
  • 669.67 ft (204.12 m) (C6-S-85a)
Beam:
  • 76 ft (23 m)(C6-S-1qc)
  • 76 ft (23 m)(C6-S-1w)
  • 90 ft (27 m)(C6-S-85a)
Draft:
  • 33.08 ft (10.08 m) (C6-S-1qc)
  • 27 ft (8.2 m) (C6-S-1w)
  • 29 ft (8.8 m) (C6-S-85a)
Speed: 19.5 - 22.5 knots
Range:
  • 13,700 miles (C6-S-1qc)
  • 9,400 miles (C6-S-1w)
  • 16,200 miles (C6-S-85a)
Complement: Varied by design type

The Type C6 ship is a United States Maritime Administration (MARAD) designation for a container ship developed during the transition years from moving goods by breakbulk cargo to containerization. The Type C4 ships Mariner class, arranged with its house/engine-room in the center vessel with cargo hatches at 4 forward and 2 aft, was very successful. Eleven Type C4 ships were converted into Type C6 container ships, and eight vessels were new built, as of March 2016 three converted C4s are extant as crane ships in the National Defense Reserve Fleet.

American President Lines[edit]

Three vessels of the American President Lines had been built in 1966 as Type C4-S-1qa ships by National Steel and Shipbuilding, San Diego, California. Between 1972 and 1973 these breakbulk cargo vessels were converted into partial containerships,[1] the conversion work was done at Todd Pacific Shipyards, Seattle, Washington. Overall length was extended by 105 ft. Bow thrusters were also fitted into the ships for improved maneuverability along with an improved stabilization system.[2] Between 1984-1986 all three vessels were acquired by the U.S.Navy and re-fitted as Auxiliary Crane Ships for use by the Military Sealift Command (C6-S-MA1qd),[3] as of August 31, 2016 all three of these converted vessels were listed in Ready Reserve Force, National Defense Reserve Fleet.[4]

Type C4-S-1qa Breakbulk Cargo Ship Conversions to Type C6-S-1qa Container Ship
Original Name MARAD No. National Steel Hull No. Notes
President Polk (3) MA-164 338 [5] 1986 conversion to a crane ship at Dillingham Ship Repair (Portland, OR); renamed Grand Canyon State (T-ACS 3)[5]
President Monroe (3) MA-165 339 [5] 1986 conversion to a crane ship at Dillingham Ship Repair (Portland, OR); renamed Gem State (T-ACS 2)[5]
President Harrison (3) MA-166 340 [5] 1984 conversion to a crane ship at Manitowoc (WI); renamed Keystone State (T-ACS 1)[5]

The American President lines also took delivery on four new built ships, designated Type C6-S-85b, the Pacesetters,[6] from Ingalls Shipbuilding in Pascagoula, Mississippi. Three were delivered in 1973 and the fourth in 1974. Between 1979 and 1982 the vessels were traded in to MARAD as partial down payment for new ships, they were first laid up at the Suisun Bay Reserve Fleet but were eventually scrapped.

New built C6-S-85b Container Ships
Ship Name MARAD No. Ingalls Hull No. Notes
President Jefferson (3) MA-248 1184 [7] Scrapped 2001[8]
President Madison (4) MA-249 1185 [7] Scrapped 1999
President Pierce (3) MA-250 1186 [7] Scrapped 2005 [9]
President Johnson (5) MA-255 1187 [7] Scrapped 1999

United States Lines[edit]

The United States Lines choose all 8 of their C4-S-1a cargo vessels for conversion to C6-S-1w container ships, the conversion work was divided among five shipyards, and the vessels re-entered service between late 1970 and early 1971. The vessel overall length was increased by approximately 100 ft. The vessels remained in service until 1983 when they were laid-up at New York City but by 1987 all eight vessels were scrapped.[3]

Type C4-S-1a Breakbulk Cargo Ship Conversions to Type C6-S-1w Container Ship
C6 Ship Name MARAD No./Name Original Builder/ Hull No./Year Rebuilder Notes
American Archer MA-8/Cotton Mariner Ingalls / 461/ 1953[10] Alabama Dry Dock & Shipbuilding Pioneer Mist 1956-1970. Laid up 1983, Scrapped 1985 in Kaohsiung
American Legend MA-9/Pelican Mariner Ingalls/ 462/ 1954 [7] Todd Shipyards, Galveston Pioneer Myth 1956-1971. Laid up 1983, Scrapped 1986 in Kaohsiung, Taiwan.
American Argosy MA-10/Peninsula Mariner Ingalls /463 /1954[10] Alabama Drydock and Shipbuilding Pioneer Main 1956-1970. Laid up 1983, Scrapped 1986 in Kaohsiung, Taiwan.
American Accord MA-12/Mountain Mariner Bethlehem Sparrows Point Shipyard /4508 /1953[11] Bethlehem Steel Key Highway Yard Pioneer Mart 1956-1971. Laid up 1983, Scrapped 1986 in Kaohsiung, Taiwan.
American Leader (3) MA-13/Gopher Mariner Bethlehem Sparrows Point Shipyard /4509 /1954[11] Todd Shipyards, Galveston Pioneer Minx 1956-1970. Laid up 1983, Scrapped 1985 Castellon de la Plana, Spain.
American Alliance MA-14/Show Me Mariner Bethlehem Sparrows Point Shipyard /4510 /1954[11] Norfolk Shipbuilding Pioneer Mill 1956-1970. Laid up 1983, Scrapped 1987 in Kaohsiung.
American Ace MA-15/Sunflower Mariner Bethlehem Sparrows Point Shipyard /4510 /1954[11] Bethlehem Steel Key Highway Yard Pioneer Moor 1956-1970. Laid up 1983, Scrapped 1986 in Kaohsiung, Taiwan.
American Legacy MA-30/Silver Mariner New York Ship/ 496/ 1954[12] Todd Shipyards, Brooklyn Pioneer Ming 1956-1970. Laid up 1983, Scrapped 1986 Castellon de la Plana, Spain.

Farrell Lines[edit]

The Farrell Lines commissioned naval architect George G. Sharp to develop a design for their rapidly growing services, the four new-built vessels were designated as Type C6-S-85a by the Maritime Commission. The vessels were built at the Ingalls Shibuilding(West Yard) with delivery starting in December 1970, the ships operated between U.S. Atlantic and Gulf of Mexico ports and to Australia and New Zealand.[3] All four vessels were eventually acquired by Horizon Lines and remained in service until 2014. Ex-Astral Endurance was scrapped in 2014 after Horizon reduced the frequency of service between Puerto Rico and the US; in December 2014 Horizon ended all service to Puerto Rico and sold the former Austral Entente to All Star Metals LLC, Brownsville, Texas, for demolition in the US, though the vessel was subsequently towed to India.[13][14] Ex-Austral Ensign, after having been laid up Bellingham, WA since 2007, was sold for scrap in April 2016,[15] the remaining Farrell Lines ship, ex-Austral Envoy remained in service between Los Angeles and Hawaii as of May 2016 but has since been renamed Matson Navigator.[16]

New built C6-S-85a Container Ships
Original Name MARAD No. Ingalls Hull No. Notes
Austral Envoy MA-244 1180 [7] Modified to Type C8 in 1984, later Matson Navigator (IMO 7116315); Active 2016.
Austral Ensign MA-245 1181 [7] Later Horizon Fairbanks (IMO 7218462); scrapped 2016
Austral Endurance MA-246 1182 [7] Later Horizon Hawaii (IMO 7233278); scrapped 2014[17]
Austral Entente MA-247 1183 [7] Later Type C8 Horizon Trader (IMO 7326233); sold for scrapping 2015.[13][14]

References[edit]

  1. ^ "Vigor Industrial, Seattle WA". Tim Colton, ShipbuildingHistory.com. Retrieved 10 March 2012. 
  2. ^ "C4-S-1A Mariner". Global Security.org. Retrieved 11 March 2012. 
  3. ^ a b c "Profiles of Maritime Administration Vessels - The C6-Designs". Frank A. Gerhardt, Shipbuilding under the US Maritime Commission. Retrieved 10 March 2012. 
  4. ^ "National Defence Reserve Fleet Inventory March 31, 2016" (PDF). US Department of Transportation. Retrieved 14 Oct 2016. 
  5. ^ a b c d e f "American President Lines 1952-1969 Vessel History" (PDF). American President Lines. Retrieved 10 January 2015. 
  6. ^ "American President Lines 1971-1974 Vessel History" (PDF). American President Lines. Retrieved 10 January 2015. 
  7. ^ a b c d e f g h i "Ingalls Shipbuilding Pascagoula, MS". Tim Colton, ShipbuildingHistory.com. Retrieved 31 December 2014. 
  8. ^ "Chief Officer aboard Master Cody January 13 - May 31, 2001". aladdin.st. Retrieved 10 January 2015. 
  9. ^ "MSC LAUREN - IMO 7320409". ShipSpotting.com. Retrieved 12 March 2012. 
  10. ^ a b "BAE Systems Southeast, Mobile AL". Tim Colton, ShipbuildingHistory.com. Retrieved 10 March 2012. 
  11. ^ a b c d "Bethlehem Steel Company, Sparrows Point MD". Tim Colton, ShipbuildingHistory.com. Retrieved 10 March 2012. 
  12. ^ "New York Shipbuilding, Camden. NJ". Tim Colton, ShipbuildingHistory.com. Retrieved 10 March 2012. 
  13. ^ a b Vyas, Sharad (3 January 2016). "Vessel tugging stranded ship Horizon Trader traced". Hindu Times. Chennai. Retrieved 6 January 2016. 
  14. ^ a b "NGOs applaud Matson for clean and safe recycling policy, but regret ship beached in India". Brussels: NGO Shipbreaking Platform. 23 September 2015. Retrieved 6 January 2016. 
  15. ^ Wohlfeil, Samantha (April 25, 2016). "Horizon Fairbanks ship leaves Bellingham for good". BellinghamHerald.com. Retrieved 7 August 2016. 
  16. ^ "Vessel Details: Matson Navigator". MarineTraffic.com. Retrieved 23 May 2016. 
  17. ^ "ABS Class Suspensions, Withdrawals, & Reinstatements". American Bureau of Shipping. Retrieved 16 April 2014.