Brazilian submarine Riachuelo (S22)

	Riachuelo (S22)
History
Brazil
Name	Riachuelo
Namesake	Battle of 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]

Coordinates: 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.

[1]

[2]

v t Oberon-class submarines
Royal Navy	Oberon Odin Orpheus Olympus Osiris Onslaught Otter Oracle Ocelot Otus Opossum Opportune Onyx (S21) Onyx (S72)
Royal Australian Navy	Oxley Otway Onslow Orion Ovens Otama
Brazilian Navy	Humaitá Tonelero Riachuelo
Royal Canadian Navy Canadian Forces	Ojibwa (ex-Onyx (S72)) Onondaga Okanagan Olympus Osiris
Chilean Navy O'Brien class	O'Brien Condell / Hyatt
Preceded by: Porpoise class Followed by: Upholder class
List of submarines of the Royal Navy List of submarines of the Royal Australian Navy List of submarines of the Royal Canadian Navy List of submarines of the Brazilian Navy List of submarines of the Chilean Navy

History
Riachuelo (S22)
Brazil
Name	Riachuelo
Namesake	Battle of 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]}