HMS Otus was an O-class submarine of the Royal Navy. She was laid down by Vickers-Armstrongs of Barrow-in-Furness on 31 May 1927, launched on 31 August 1928 and commissioned on 5 July 1929.
Le HMS Otus (Pennant number : N92) était un sous-marin de classe Odin de la Royal Navy.
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