Brazilian submarine Tonelero (S21)

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

The brazilian submarine Tonelero in foreground
History
Brazil
NameTonelero
BuilderVickers Shipbuilding and Engineering, Barrow, England
Laid down18 November 1971
Launched22 November 1972
Commissioned10 December 1977
Decommissioned21 June 2001
Refit1995
FateScrapped in 2004
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
Length295 ft 3 in (89.99 m)
Beam26 ft 6 in (8.08 m)
Draught18 ft (5.5 m)
Installed power2 × 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 (22 km/h; 14 mph) surfaced
  • 17 kn (31 km/h; 20 mph) submerged
Range9,000 nautical miles (17,000 km; 10,000 mi) at 12 kn (22 km/h; 14 mph) surfaced
Complement6 officers, 64 ratings
Armament8 × 21 in (533 mm) torpedo tubes (6 bow, 2 stern)

Design and construction
Main article: Oberon-class submarine

The submarine, built by Vickers Shipbuilding and Engineering at their shipyard in Barrow, was laid down on 18 November 1971, and launched on 22 November 1972.[1] During construction, a fire seriously damaged the submarine.[1] The submarine was towed to Chatham Dockyard, where the 60-foot (18 m) central section was cut out and replaced.[1] The fire was found to have originated in the cabling, and prompted the recabling of all under-construction Oberons.[2] She was commissioned into the Brazilian Navy on 10 December 1977.[2]

Decommissioning and fate

Tonelero was listed as active in the 1998-99 edition of Jane's Fighting Ships.[2]

On 26 December 2000 the Tonelero sank at her mooring in the Rio de Janeiro navy yards due to crew error. All 9 crew members aboard escaped from the submarine.[3]

See also

References
  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.
  2. Sharpe, Richard, ed. (1998). Jane's Fighting Ships 1998-99. Jane's Fighting Ships (101st ed.). Coulsdon, Surrey: Jane's Information Group. p. 58. ISBN 071061795X. OCLC 39372676.
  3. "Brazil investigates sub sinking". news.bbc.co.uk. Retrieved 27 February 2020.


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