U12 21 Aug 1914

Speculatively built by Whitehead’s as S.S. 3. At outbreak of war towed from Fiume to Pola by Gigant. 21 Dec 1914 damaged French flagship Jean Bart.

16 Feb 1915 at Pola. Mined and sunk off Venice 11 Aug 1915; all hands lost. Raised by Italy and scrapped. Crew buried in Venice.