Brazilian submarine Tonelero (S21)

The brazilian submarine Tonelero in foreground
Career (Brazil)
Name: Tonelero S21 (1088)
Builder: Vickers Shipbuilding Yard, Barrow, England
Laid down: 18 November 1971
Launched: 22 November 1972
Decommissioned: 1996
Refit: Given a mid-life modernisation in 1995 by the company HDW/FERROSTAL.
General characteristics
Class and type:Oberon-class submarine
Displacement:2,030 long tons (2,060 t) surfaced
2,410 long tons (2,450 t) submerged
Length:295 ft 3 in (89.99 m)
Beam:26 ft 6 in (8.08 m)
Draught:18 ft (5.5 m)
Installed power:2 × electric generators, 2560 kW
Propulsion:2 × Admiralty Standard Range 16WS-ASR diesels, 3,680 bhp
2 × electric motors, 6,000 shp
2 shafts
Speed:12 knots (14 mph; 22 km/h) surfaced
17 kn (20 mph; 31 km/h) submerged
Range:9,000 nautical miles (17,000 km) at 12 kn (22 km/h) surfaced
Complement:6 officers, 64 ratings
Armament:8 × 21 in (533 mm) torpedo tubes (6 bow, 2 stern)

Tonelero (S21) was an Oberon-class submarine in the Brazilian Navy.

It was ordered on 22 May 1970, and commissioned on 8 September 1978. Tonelero was seriously damaged by fire during the ship's fitting out and was sent to HM Dockyard Chatham to undergo repairs. The central 60 feet (18 m) section of the pressure hull was cut out and replaced, and all electrical wiring was replaced. This delayed the completion of the boat until 1978. Tonelero was the last of Oberon-class to be completed by Vickers.

See also

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