Sirena-class submarine


The Sirena-class submarines were the second sub-class of the 600 Series of coastal submarines built for the Regia Marina during the early 1930s. Of the dozen boats built of this class, only one survived World War II.

Design and description

The Sirena class was an improved and enlarged version of the preceding s. They displaced surfaced and submerged. The submarines were long, had a beam of and a draft of. Their crew numbered 45 officers and enlisted men.
For surface running, the boats were powered by two diesel engines, each driving one propeller shaft. When submerged each propeller was driven by a electric motor. They could reach on the surface and underwater. On the surface, the Sirena class had a range of at ; submerged, they had a range of at.
The boats were armed with six torpedo tubes, four in the bow and two in the stern for which they carried a total of 12 torpedoes. They were also armed with a single [Škoda 10 cm K10|] deck gun forward of the conning tower for combat on the surface. The anti-aircraft armament consisted of two or four [Breda Model 1931 Machine Gun|] machine guns.

Ships

SOURCES
ShipBuilderLaid downLaunchedCommissionedFate
Odero-Terni-Orlando, Muggiano16 September 193126 April 19331 April 1934Scuttled 12 September 1943
Cantieri Riuniti dell'Adriatico, Monfalcone11 July 19315 August 193322 March 1934Sunk 6 March 1941
Cantieri navali Tosi di Taranto, Taranto11 May 193121 May 193318 November 1933Sunk 20 June 1940
Cantieri Riuniti dell'Adriatico, Monfalcone18 July 19315 October 193325 June 1934Struck 1 February 1948
Cantieri Riuniti dell'Adriatico, Monfalcone9 May 193127 March 193314 November 1933Sunk 14 December 1940
Cantieri Riuniti dell'Adriatico, Monfalcone30 May 193125 May 193318 February 1934Sunk 13 July 1943
Cantieri Riuniti dell'Adriatico, Monfalcone25 July 19312 December 193319 September 1934Sunk 11 July 1942
Cantieri navali del Quarnaro, Fiume26 September 193129 March 193321 March 1934Sunk 29 June 1940
Cantieri Reuniti dell'Adriatico, Monfalcone1 May 193126 January 19332 October 1933Scuttled 9 September 1943
Cantieri navali Tosi di Taranto, Taranto25 May 193123 July 193329 November 1933Lost ca. 25 September 1941
Cantieri navali del Quarnaro, Fiume26 September 193115 May 193326 April 1934Sunk 12 September 1943
Odero-Terni-Orlando, Muggiano16 September 193128 June 19334 June 1934Sunk 9 June 1942