Sea Platforms

Brazil expected to start sea trials for first-of-class Riachuelo submarine

05 August 2019

The Brazilian shipbuilder Itaguaí Construções Navais (ICN) – a joint venture between Naval Group and Odebrecht Engenharia e Construção – and the Brazilian Navy will begin sea trials of the first of four Riachuelo-class diesel-electric attack submarines, Riachuelo (S40) in August, the navy told Jane’s on 1 August.

The sea trials are scheduled to last until the first half of 2020, while commissioning of the submarine is scheduled to take place in October 2020, the navy said.

Riachuelo was launched in a ceremony that took place at the Itaguaí Naval Complex on 14 December 2018.

A 533 mm Naval Group F21 heavyweight torpedo and a mock-up of an MBDA Exocet SM39 Block 2 Mod 2 anti-ship missile will be launched during Riachuelo 's sea trials, the navy said.

Want to read more? For analysis on this article and access to all our insight content, please enquire about our subscription options at

(152 of 263 words)