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USS AFDM-2

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(Redirected from USS YFD-4) Large auxiliary floating drydock of the US Navy
AFDM-1-class floating drydock, on it side for Panama Canal passage
History
United States
NameYDS-4
OperatorTodd Shipyards at New Orleans
BuilderAlabama Drydock and Shipbuilding Company, Mobile
Cost$2,760,300 (1942)
Laid downJanuary 1943
Commissioned1 October 1943
ReclassifiedAFDM-2, 1945
Honors and
awards		See Awards
FateSold to Gulf Copper & Manufacturing Corp., 11 February 1999
StatusOperational in Port Arthur, Texas
General characteristics
Class and typeAFDM-1-class floating drydock
Displacement6,360 t (6,260 long tons)
Length616 ft (187.8 m)
Beam116 ft (35.4 m)
Draft6 ft (1.8 m), empty
Capacity9,000 t (8,858 long tons), lift
Complement4 officers, 146 enlisted
Armament
Notes2 × service cranes
Sister ship USS Richland

USS AFDM-2, (former YFD-4), is an AFDM-3-class medium auxiliary floating drydock built in Mobile, Alabama by the Alabama Drydock and Shipbuilding Company for the U.S. Navy. Originally named USS YFD-4, Yard Floating Dock-4, she operated by Todd Shipyards at New Orleans, Louisiana for the repair of US ships during World War II. YFD-4 was renamed an Auxiliary Floating Dock Medium AFDM-2 in 1945 after the war.

Design

AFDM-2 was 37 feet (11.3 m) tall, 116 feet (35.4 m) wide, length of 614 feet (187.1 m) (all three section connected), and has a displacement of 6,360 tons. AFDM-2 could lift capacity 9,000 tons and had two service cranes to lift material and parts for removing damage parts and the installation of new parts. The floating drydock can repair ships up to a beam of 90 feet (27.4 m), as she is 90 feet wide between the wing walls. Ballast pontoons tanks are flooded with water to submerge or pumped dry to raise the ship. Submerged she can load a ship with a draft up to 20 feet (6.1 m).

History

It was built by Alabama Drydock and Shipbuilding Company in Mobile, Alabama. she was laid down in January 1942 and commissioned on 1 October 1943, right after her delivery to the Navy.

Hurricane Betsy, Category 4, sank and damaged AFDM-2 on 9 September 1965. USS AFDM-2 was at Todd Shipyards on the west side of the Mississippi River in Algiers, New Orleans. AFDM-2 had the water pumped out of her pontoon tanks and was raised for repair. The salvage ships MS Cable and USS Curb and USS Salinan, an Achomawi-class fleet ocean tug, helped in the recovery of AFDM-2. Due to the large size of AFDM-2 two rescue and salvage ships, USS Salvager and USS Windlass arrived with three special support barges to help in the salvage. Land-based winches were also used in the recovery. On 25 August 1966 tugs returned AFDM-2 to Todd Shipyards, eleven months after her sinking. Repairs where completed and she was put back in service. Divers had to repair more than 100 holes in AFDM-2 to float her again.

On 16 May 1995 she was laid up in the National Defense Reserve Fleet, Beaumont, Texas. On 11 February 1999 she was reactivated and transferred to the Government of the Dominican Republic. She was later sold to Gulf Copper & Manufacturing Corporation at Port Arthur, Texas and renamed Mr. Morris. In 2013 USS LST-325, a landing ship, tank, now a museum ship, was repaired in AFDM-2. On 17 December 2021, USS Orleck (DD-886) arrived in Port Arthur to be repaired in AFDM-2.

Awards

See also

References

  1. navsource USS AFDM-2, ex USS YFD-4 (1943–1945)
  2. "Floating Dry-Docks (AFDB, AFDM, AFDL, ARD, ARDM, YFD)". shipbuildinghistory.com. 30 April 2015. Retrieved 8 January 2019.
  3. The Pacific War Online Encyclopedia, Floating Dry Docks
  4. Building the Navy's Bases in World War II, History of the Bureau of Yards and Docks and the Civil Engineer Corps 1940–1946 Chapter IX, Floating Drydocks
  5. USN AFDM-2 Floating Drydocks & Shipyards WWI & Beyond old films, a DVD, Jan 1, 2012, 95.00 minutes, Campbell Films
  6. US Navy USS AFDM-2 (YFD-4)
  7. marad, AFDM-2
  8. USS LST-325 repaired in AFDM-2, January 31, 2013
  9. Staff, American Press (2021-12-21). "Orleck completes first phase of journey; undergoing cleaning, inspection". American Press. Retrieved 2022-01-17.

External links

Shipwrecks and maritime incidents in 1965
Shipwrecks
Other incidents
1964 1966
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