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.