O'Brien (S22) in 1999
History
Chile
NameO'Brien
NamesakeJohn Thomond O'Brien
BuilderScott Lithgow
Laid down17 January 1971
Launched21 December 1972
Commissioned15 April 1976
Decommissioned2005?
IdentificationS22
StatusMuseum ship
General characteristics
Class and typeOberon-class submarine
DisplacementSurface 2,030 tons, Submerged 2,410 tons
Length295.2 ft (90.0 m)
Beam26.5 ft (8.1 m)
Draught18 ft (5.5 m)
Propulsion2 × Admiralty Standard Range 16WS - ASR diesels. 3,680bhp 2 electric generators. 2560kw. 2 electric motors. 6000shp. 2 shafts
SpeedSurface 12 knots (22 km/h; 14 mph), Submerged 17 knots (31 km/h; 20 mph)
Endurance9,000 nautical miles (17,000 km; 10,000 mi) at 12 knots (22 km/h; 14 mph) surfaced
Complement65
Sensors and
processing systems		Atlas Elektronik CSU 90 suite, BAC Type 2007 flank array
Armament6 21-inch (533 mm) torpedo tubes, 22 torpedoes

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

Design and construction

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]

See also

References

  1. 1 2 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". Archived from the original on 18 February 2020. Retrieved 22 October 2019.


39°48′58″S 73°14′58″W / 39.816066°S 73.249317°W / -39.816066; -73.249317

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