Angostura (S43) is the fourth unit of Riachuelo-class submarine built for the Brazilian Navy by ICN in Itaguaí, and DCNS.
| History | |
|---|---|
 Brazil | |
| Name | Angostura |
| Ordered | 23 December 2008[1][2] |
| Builder | ICN, Madeira Island, Itaguaí |
| Homeport | Madeira Island |
| Identification | Pennant number: S42 |
| Status | In construction[3] |
| General characteristics | |
| Class and type | Riachuelo-class submarine |
| Displacement | 1,900 t (1,900 long tons)[4] |
| Length | 70.62 m (231 ft 8 in)[4] |
| Beam | 6.2 m (20 ft 4 in)[4] |
| Draft | 5.8 m (19 ft 0 in)[4] |
| Propulsion | |
| Speed | 21 knots (39 km/h; 24 mph) surfaced/submerged[4] |
| Range | |
| Endurance | 70 days[5] |
| Test depth | 400 m (1,300 ft)[6] |
| Complement | 32[4] |
| Sensors and processing systems | DCNS Submarine Tactical Information and Command System[4] |
| Electronic warfare & decoys | |
| Armament |
|
The Brazilian boats are larger in length, tonnage and cargo capacity compared to the original French project. The Brazilian version are 70.62 m (231 ft 8 in) and 1,900 tons, compared to the original Scorpènes that are 61.7 m (202 ft 5 in) and 1,565 tons.[8]
Program history edit
In 2008, Brazil purchased four enlarged Scorpènes for USD 10 billion with a total technology transfer agreement and a second agreement to develop the first Brazilian nuclear-powered submarine, Álvaro Alberto. The hull of Riachuelo was laid down at Cherbourg, France on 27 May 2010 and it was jumboized at the Brazilian Navy Shipyard in Itaguaí in late 2012.[2]
The first submarine Riachuelo was launched on 14 December 2018,[9] the Humaitá was launched on 11 December 2020, and the Tonelero on 27 March 2024.[10]
Namesake edit
Angostura, named after a battle of the Paraguayan War, is the second boat in the history the Brazilian Navy to receive this name.
The other boat was:
- Angostura (V20) – Corvette of the Imperial Marinheiro class. (1955–2005)
References edit
- ^ "DECRETO Nº 8.630, DE 30 DE DEZEMBRO DE 2015". Brazil Gov. 30 December 2008. Retrieved 25 January 2022.
- ^ a b c d Nicolas von Kospot (2 June 2010). "First Steel Cut for Brazilian Submarine Programme". www.defpro.com. Archived from the original on July 17, 2011. Retrieved 7 June 2010.
- ^ "Brasil negocia com França acordo para combustível nuclear de submarino, diz Itamaraty". Folha de S.Paulo. 22 March 2024.
- ^ a b c d e f g h i j k l m n o p q "Submarino "Riachuelo" reforça a soberania do País na Amazônia Azul". Brazilian Navy (in Portuguese). 1 September 2022.
- ^ "Submarinos (Classe Riachuelo)". Brazilian Navy (in Portuguese). 5 September 2022. Retrieved 8 January 2023.
- ^ Beatriz Freitas Pereira (3 December 2020). "S-41 Humaitá pronto para ser lançado". Defesanet. Retrieved 5 December 2020.
- ^ Joao Paulo Zeitoun Moralez (2 September 2021). "La Marina de Brasil incorpora el primer submarino de la Clase Riachuelo". Pucara Defensa.
- ^ "Submarino Riachuelo inicia provas de mar" (in Portuguese). Poder Naval. 25 September 2019.
- ^ "Tonelero: saiba como é o submarino lançado por Lula e Macron no RJ". G1. 27 March 2024.
 | This Brazilian military article is a stub. You can help Wikipedia by expanding it. |
 | This submarine-related article is a stub. You can help Wikipedia by expanding it. |