Of the CB-class preceded by CA-class. Displacement 36 (surfaced)-45 (submerged) tons and as dimensions 15 x 3 x 2.10 metres. Crew numbered 4 men including 1 officer. Armament consisted of 2-45cm/17.7 torpedo tubes. Speed 7.5 (surfaced)-7 (submerged) knots. Range surfaced 1.400 nautical miles/5 knots respectively 450/7.5 and submerged 50/3 respectively 7/7.
Built by Caproni-Taliedo. Commissioned 10 May 1941, transferred to the Black Sea area and sunk by the Russians near Yalta, Crimea on 13 June 1942. Stricken on 18 October 1946.
Sources
Erminio Bagnasco, Submarines of World War Two, Cassell & Co, London. 1977
Paolo M. Pollina. I Sommergibili Italiani. Ufficio Storico della Marina Militare. Rome, 1963
Several editions of Jane’s Fighting Ships

Were there any survivors?
ReplyDeleteCB 5 was sunk by a torpedo fired by Soviet MTB D-3 while she was in Yalta harbor. She was unmanned at the time and there was no casualty.
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