Type C4-class ship

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USSHaven1111.jpg
USS Haven (AH-12), an example of a Type C4 ship, seen here in 1954, a type C4-S-B2 ship.
Class overview
Builders:
Operators: United States Maritime Commission (MARCOM)
Preceded by: Type C3 class ship
Subclasses: Six
Completed: 81
General characteristics
Type:
  • C4-S-A1 troop transport (30 built)
  • C4-S-A3 troop transport (15 built)
  • C4-S-A4 cargo ship (16 built)
  • C4-S-B1 tank carrier (one built)
  • C4-S-B 2 troop transport/hospital ship (14 built)
  • C4-S-B5 cargo/troop transport (five built)
Tonnage:
  • 12,420 gross tons (A1-A4)
  • 11,757 gross tons (B1-B5)
Length:
  • 523 ft (159 m)(A1-A4)
  • 520 ft (160 m) (B1-B5)
Beam: 71.6 ft (21.8 m)
Draft:
  • 29 ft (8.8 m) (A1-A4)
  • 30 ft (9.1 m) (B1-B5)
Propulsion:
  • Steam turbine
  • 9,900 shp
Speed: 17 knots
Range:
  • 12,000 miles (A1-A4)
  • 14,000 miles (B1-B5)
Complement: Varied by design type

The Type C4 class ship were the largest cargo ships built by the United States Maritime Commission (MARCOM) during World War II. The design was originally developed for the American-Hawaiian Lines in 1941, but in late 1941 the plans were taken over by the MARCOM.

Eighty-one ships were built as cargo or troopships in four shipyards: Kaiser Richmond, CA (35 ships), Kaiser Vancouver, WA (20 ships), Sun Shipbuilding and Drydock in Chester PA (20 ships) and Bethlehem Steel Sparrows Point MD (6 ships).

All ships were capable of 17 knots, driven by a single screw steam turbine generating 9,900 shp.

Among the variations of the design were the Haven class hospital ship.

They were followed post-war by thirty-seven of the larger C4-S-1 class, also known as the Mariner class.[1][2]

List of Type C4 class ships[edit]

USS General G.O. Squier, a C4-S-A1

General series[edit]

C4-S-A1 DWT: 14,863.

USS General C. G. Morton at Golden Gate

Marine series[edit]

C4-S-B1, C4-S-B2, C4-S-B5 DWT: 15,300

USNS Marine Adder as MSC Time Charter, a C4-S-A3
    • C4-S-A3 DWT: 14,863
  • Built by Kaiser Shipyards in Vancouver, Washington
  • SS Marine Cardinal
  • USNS Marine Carp (T‑AP‑199)
  • SS Marine Falcon
  • SS Marine Flasher
  • SS Marine Jumper
  • USNS Marine Lynx (T-AP-194)
  • SS Marine Marlin
  • USNS Marine Phoenix (T-AP-195)
  • SS Marine Tiger
  • SS Marine Shark
  • USNS Marine Serpent (T-AP-202)
    • C4-S-A4 DWT: 14,863
  • Built by Kaiser Shipyards in Richmond, CA
  • SS Marine Snapper
  • SS Marine Leopard

Mount series[edit]

C4-S-A3 DWT: 14,863

  • Built by Kaiser Shipyards in Vancouver, Washington.
  • SS Mount Davis
  • SS Mount Greylock
  • SS Mount Mansfield
  • SS Mount Rogers
  • SS Mount Whitney

Named after a person[edit]

C4-S-A3 DWT: 14,863

  • Built by Kaiser Shipyards in Vancouver, Washington.
  • SS Scott E. Land
  • SS Willis Vickery
  • SS Louis McH. Howe
  • SS Ernie Pyle

Hospital ships[edit]

C4-S-B2 DWT: 15,300

"M" class ships[edit]

C4-S-49a DWT: 19,799 Four cargo/passenger liners were built for the Grace Line 1963-1964 by Bethlehem Steel Sparrows Point ND.[3]

  • SS Santa Magdelena
  • SS Santa Mariana
  • SS Santa Maria
  • SS Santa Mercedes (later renamed: TS Patriot State)

Jet class ships[edit]

C4-S-49b DWT: 13,915.

  • Built in 1965 by Bethlehem Steel of Sparrows Pt. MD. The last two C4 ships were constructed in 1966 for the Prudential Lines.[3]
  • SS Prudential Seajet [4]
  • SS Prudential Oceanjet [5]

Notable incidents[edit]

  • Marine Perch a C4-S-A3, was renamed the SS Yellowstone. The SS Yellowstone was in a collision with the Algerian Freighter M/V IBN Batoutaand and sank on 12 June 1978, 14 miles southeast of Gibraltar in the Mediterranean Sea in dense fog. Five crewmen on the Yellowstone were killed and two were injured, none on the Batoutaand. The bow of the Batoutaand hit deep in two the Yellowstone.[6][7][8]
  • USS General Omar Bundy (AP-152), built in 1944, was sold a few times and renamed SS Poet. In 1980 she went missing without a trace and is presumed sunk. her cargo was 13,500 tons of bulk corn that she loaded at Girard Point Terminal in South Philadelphia, she was to steam to Port Said in Egypt. There was a severe storm in the Atlantic Ocean at the time she vanished and she was low in the water with her loaded. [10]

See also[edit]

References[edit]

Notes and citations
  1. ^ http://www.globalsecurity.org/military/systems/ship/mariner.htm
  2. ^ shipbuildinghistory.com, C4 Cargo Ships
  3. ^ a b Colton, Tim. "Yardlist for Bethlehem Steel Company, Sparrows Point MD". Shipbuilding History. www.ShipbuildingHistory.com. Retrieved 7 October 2016. 
  4. ^ hipspotting.com, Prudential Seajet
  5. ^ vancouver.ca, Prudential Seajet
  6. ^ wrecksite.eu, Marine Perch
  7. ^ shipspotting.com, SS Yellowstone
  8. ^ Collision of U.S. Bulk Carrier SS Yellowstone and Algerian Freighter M/V IBN Batouta, Mediterranean Sea, June 12, 1978, by the United States. National Transportation Safety Board
  9. ^ navsource.org, USS Benevolence
  10. ^ Baltimore Sun, The 1980 disappearance of the SS Poet, March 04, 2006, FREDERICK N. RASMUSSEN
Bibliography

External links[edit]