title: Brazilian submarine Humaitá (S20)
text: # Brazilian submarine Humaitá (S20)
  
  Brazilian submarine Humaitá (S20) was an Oberon-class submarine in the Brazilian Navy.
  
  ## Design and construction
  
  The submarine, built by Vickers Shipbuilding and Engineering at their shipyard in Barrow, was laid down on 3 November 1970, and launched on 5 October 1971. She was commissioned into the Brazilian Navy on 18 June 1973.
  
  ## Decommissioning and fate
  
  Humaitá left naval service in 1996.
  
  