Chilean submarine O'Brien (S22)

The Chilean submarine O'Brien was an Oberon-class submarine in the Chilean Navy.

O'Brien (S22) in 1999
History
Chile
Name: O'Brien
Namesake: John Thomond O'Brien
Builder: Scott Lithgow
Laid down: 17 January 1971
Launched: 21 December 1972
Commissioned: 15 April 1976
Decommissioned: 2005?
Identification: S22
Status: Museum ship
General characteristics
Class and type: Oberon-class submarine
Displacement: Surface 2,030 tons, Submerged 2,410 tons
Length: 295.2 ft (90.0 m)
Beam: 26.5 ft (8.1 m)
Draught: 18 ft (5.5 m)
Propulsion: 2 × Admiralty Standard Range 16WS - ASR diesels. 3,680bhp 2 electric generators. 2560kw. 2 electric motors. 6000shp. 2 shafts
Speed: Surface 12 knots (22 km/h; 14 mph), Submerged 17 knots (31 km/h; 20 mph)
Endurance: 9,000 nautical miles (17,000 km; 10,000 mi) at 12 knots (22 km/h; 14 mph) surfaced
Complement: 65
Sensors and
processing systems:		 Atlas Elektronik CSU 90 suite, BAC Type 2007 flank array
Armament: 6 21-inch (533 mm) torpedo tubes, 22 torpedoes

Design and construction
Main article: Oberon-class submarine

The submarine, built by Scottish company Scott Lithgow, was laid down on 17 January 1971, and launched on 21 December 1972.[1] The planned July 1974 completion was delayed by the need to redo internal cabling.[1] She was commissioned into the Chilean Navy on 15 April 1976.[2] The submarine was named after John Thomond O'Brien, who fought in the Chilean War of Independence.[3]

Operational history

O'Brien was in service from the mid-1970s until the mid-2000s.

Decommissioning and fate
The museum in 2019

O'Brien and sister boat Hyatt were replaced by the Thomson-class submarines.

She is now permanently docked in the Chilean city of Valdivia where she is open to visitors as a museum ship.[4]

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gollark: And use the proprietary drivers to enforce artificial restrictions.
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See also

References
  1. Moore, John, ed. (1977). Jane's Fighting Ships 1977-78. Jane's Fighting Ships (80th ed.). London: Jane's Yearbooks. p. 81. ISBN 0531032779. OCLC 18207174.
  2. Sharpe, Richard, ed. (1998). Jane's Fighting Ships 1998-99. Jane's Fighting Ships (101st ed.). Coulsdon, Surrey: Jane's Information Group. p. 106. ISBN 071061795X. OCLC 39372676.
  3. JT O'Brien
  4. Museo Naval Submarino O'Brien


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