Brazilian submarine Riachuelo (S22)
22°54′1.5″S 43°10′28.5″W / 22.900417°S 43.174583°W
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 & type | Oberon-class submarine | 
| Displacement | 
  | 
| Length | 295.2 ft (90.0 m) | 
| Beam | 26.5 ft (8.1 m) | 
| Draught | 18 ft (5.5 m) | 
| Propulsion | |
| Speed | 
  | 
| 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 | 
Riachuelo (S22) was an Oberon-class submarine in the Brazilian Navy.