From 22 Jul 1914 on Teodo station. 29 Nov 1914 searching for French submarine in Gulf of Cattaro.

30 Apr 1915 to Pola for repairs. 15 May 1915 to the Bocche with mines.

1916 on the Bocche station as Tb mother ship. 16 Dec 1916 to Pola for patrol duties.

27 Feb - 12 Oct 1917 on Cattaro station. 13 Oct 1917 to Pola for harbour patrol and convoy assignments to end of War.

To Italy; b/u.

Complement 60 Displacement 360t