| O'Brien (S22) in 1999 | |
| History | |
|---|---|
| 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 & 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 & processing systems | Atlas Elektronik CSU 90 suite, BAC Type 2007 flank array |
| Armament | 6 21-inch (533 mm) torpedo tubes, 22 torpedoes |
The Chilean submarine O'Brien was an Oberon-class submarine in the Chilean Navy.
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]
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O'Brien was in service from the mid-1970s until the mid-2000s.
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]