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Home» News»Brazilian Navy’s Riachuelo submarine starts sea trials
Launch of Riachuelo, Brazil's first Scorpene-class attack submarine
The Brazilian Navy (Marinha do Brasil) launched its first Brazilian-built Scorpene submarine, the Riachuelo, on December 14 2018. Naval News picture.

Brazilian Navy’s Riachuelo submarine starts sea trials

According to pictures released by local medias, the Brazilian Navy first Scorpène-class attack submarine Riachuelo (S40) is now starting sea trials.

Nathan Gain 26 Sep 2019

Launched on December 14 2018, the Riachuelo attack submarine is now in the final preparation phase before heading to the Atlantic waters. The new Brazilian submarine will first carry out initial tests at dock before its departure, when the propulsion, navigation, and communication systems will be tested.

Submarino Riachuelo inicia provas de mar https://t.co/dZT8owRDXm pic.twitter.com/QIzBwR9r9m

— Poder Naval (@podernaval) September 25, 2019

At a later stage, Riachuelo’s armament systems will be tried out through the launch of a F21 heavy torpedo and a mock-up of the MBDA’s SM39 Exocet Block 2 Mod 2 anti-ship missile. 

Sea trials are scheduled to last until the first half of 2020, while submarine commissioning is scheduled for October 2020. The Riachuelo will be followed by the Humaitá submarine (S41), scheduled for launch in 2020, the Tonelero (S42) in 2021 and the Angostura (S43) in 2022.

Brazilian Scorpène®’s characteristics

  •  Surfaced displacement: 1,600 – 2,000 t
  •  Length, overall: 72 m
  • Submerged speed > 20 kts
  • Diving depth > 300 m
  • Autonomy > 45 days
  • Crew: 35
  • Weapons total payload: 18
  • Weapon tubes: 6
  • Operational availability at sea > 240 days per year
Brazil Brazilian Navy Naval Group Riachuelo Scorpene Submarine 2019-09-26
Tags Brazil Brazilian Navy Naval Group Riachuelo Scorpene Submarine
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Authors

Posted by : Nathan Gain
Nathan is based in Namur, Belgium. He holds an MA in modern history with a minor in international relations from the Catholic University of Louvain (UCL – Belgium). Fascinated by military history he naturally turned to the defense sector after graduating and is particularly interested in Northern European and Belgian defense issues as well as in anything related to naval aviation.

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