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USCGC Mariposa

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USCGC Mariposa underway in 1971.
History
United States
NameUSCGC Mariposa (WLB-397)
NamesakeMariposa plant
BuilderZenith Dredge Corporation
Laid down25 October 1943
Launched14 January 1944
Commissioned1 July 1944
Decommissioned7 March 2000
FateTransferred to US Navy as training hulk, 17 April 2000
General characteristics
Class and typeTemplate:Sclass-
Displacement935 long tons (950 t)
Length180 ft (55 m)
Beam47 ft 1 in (14.35 m)
Draft12 ft (3.7 m)
Propulsion1 × electric motor connected to 2 Westinghouse generators driven by 2 Cooper Bessemer-type GND-8, 4-cycle diesels; single screw
Speed
  • 8.3 kn (15.4 km/h; 9.6 mph) cruising
  • 13 kn (24 km/h; 15 mph) maximum
Complement
  • 6 officers
  • 74 enlisted
Armament

The USCGC Mariposa (WLB-397) was a Template:Sclass- belonging to the United States Coast Guard launched on 14 January 1944 and commissioned on 1 July 1944.[1]

Design

The Iris-class buoy tenders were constructed after the Mesquite-class buoy tenders. Mariposa cost $926,446 to construct and had an overall length of 180 feet (55 m). It had a beam of 37 feet (11 m) and a draft of up to 12 feet (3.7 m) at the time of construction, although this was increased to 14 feet 7 inches (4.45 m) in 1966. It initially had a displacement of 935 long tons (950 t; 1,047 short tons); this was increased to 1,026 long tons (1,042 t; 1,149 short tons) in 1966. It was powered by one electric motor. This was connected up to two Westinghouse generators which were driven by two CooperBessemer GND-8 four-cycle diesel engines. It had a single screw.[2]

The Iris-class buoy tenders had maximum sustained speeds of 13 knots (24 km/h; 15 mph), although this diminished to around 11.9 knots (22.0 km/h; 13.7 mph) in 1966. For economic and effective operation, it had to initially operate at 8.3 knots (15.4 km/h; 9.6 mph), although this increased to 8.5 knots (15.7 km/h; 9.8 mph) in 1966. The ship had a complement of six officers and seventy-four crew members in 1945; this decreased to two warrants, four officers, and forty-seven men in 1966. It was fitted with a SL1 radar system and QBE-3A sonar system in 1945. Its armament consisted of one 3″/50 caliber gun, two 20 mm/80 guns, two Mousetraps, two depth charge tracks, and four Y-guns in 1945; these were removed in 1966.[2]

Career

International radio call sign of
USCGC Mariposa (WLB-397)[1]
November Oscar Delta Papa

Upon receiving her commission the Mariposa was assigned to the 3rd Coast Guard District and homeported in Staten Island where she was used for general ATON until the end of World War II.[1] After the end of the war, she stayed in Staten Island. In 1990 she underwent a major renovation and from June 1991 until being decommissioned she was stationed in Seattle.[1]

In 2000 she was transferred to the US Navy for use as a training hulk.[1]

See also

References

  1. ^ a b c d e "USCG Mariposa". USCG. US Coast Guard. Retrieved 28 July 2015.
  2. ^ a b "Mariposa". United States Coast Guard. Retrieved 24 August 2015.
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