en Brazilian submarine Riachuelo (S22)

	Riachuelo (S22)
History
Brazil
Name	Riachuelo
Namesake	Battle of the Riachuelo
Ordered	1972
Builder	Vickers Shipbuilding and Engineering, Barrow, England
Launched	6 September 1975
Commissioned	March 1977
Decommissioned	1997
Status	Museum ship
General characteristics
Class and type	Oberon-class submarine
Displacement	Surfaced 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. 3,680 bhp (2,740 kW); 2 electric generators. 2560 kW. 2 electric motors. 6,000 shp (4,500 kW). 2 shafts;
Speed	Surface 12 knots (22 km/h; 14 mph); Submerged 17 kn (31 km/h; 20 mph);
Range	9,000 nmi (17,000 km; 10,000 mi) at 12 kn (22 km/h; 14 mph) surfaced
Complement	6 officers, 64 ratings
Armament	8 × 21 in (533 mm) torpedo tubes (6 bow, 2 stern)
Notes	given a mid-life modernisation in 1995 by the company HDW/FERROSTAL[dubious – discuss]

22°54′1.5″S 43°10′28.5″W / 22.900417°S 43.174583°W / -22.900417; -43.174583

Riachuelo (S22) was an Oberon-class submarine in the Brazilian Navy.

Design and construction

Riachuelo was ordered in 1972, separately from her two sister boats.^[1] The submarine, built by Vickers Shipbuilding and Engineering at their shipyard in Barrow, was laid down on 26 May 1973, and launched on 6 September 1975.^[1] She was commissioned into the Brazilian Navy in early 1977.^[1]

Operational history

Decommissioning and fate

Riachuelo was decommissioned in 1997.^[2] She is now displayed at the Navy Cultural Centre in Rio de Janeiro.

References

^ ^a ^b ^c Moore, John, ed. (1977). Jane's Fighting Ships 1977-78. Jane's Fighting Ships (80th ed.). London: Jane's Yearbooks. p. 44. ISBN 0531032779. OCLC 18207174.
^ Sharpe, Richard, ed. (1998). Jane's Fighting Ships 1998-99. Jane's Fighting Ships (101st ed.). Coulsdon, Surrey: Jane's Information Group. p. 57. ISBN 071061795X. OCLC 39372676.

External links

The Submarine Heritage Centre - Brazilian "O" Class

[Moore44-1] Moore, John, ed. (1977). Jane's Fighting Ships 1977-78. Jane's Fighting Ships (80th ed.). London: Jane's Yearbooks. p. 44. ISBN 0531032779. OCLC 18207174.

[Sharpe57-2] Sharpe, Richard, ed. (1998). Jane's Fighting Ships 1998-99. Jane's Fighting Ships (101st ed.). Coulsdon, Surrey: Jane's Information Group. p. 57. ISBN 071061795X. OCLC 39372676.

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