Tb 77T 11 Aug 1914

16 Aug 1914 at Sebenico. 06 Nov 1914 at Lagosta. 24 Dec 1914 at Sebenico.

23 Feb 1915 at Pola. 10 May 1915 mineseeking off Ancona. 06 Jun 1915 minelaying off Spalato. 17 Jun 1915 in action against Rimini. 20 Jun 1915 at Pola for repairs. 28 Jul 1915 in action at Pelagosa. 17 Aug 1915 in action at Pelagosa. 09 Sep 1915 in action at Pelagosa. Oct 1915 on reconnaissance between Cazza, Bari, Pelagosa and Lagosta. Dec 1915 in action in Otranto Straits with Novara.

17 Jan 1916 towed downed flying boat L83 to the Bocche. 22 Feb 1916 minelaying off Antivari. 11 Mar to 02 May 1916 under repair at Pola. 04 May 1916 in the Bocche. 31 May/01 Jun 1916 in action against Otranto barrage with Orjen, Balaton, Tb 79T and Tb 81T. 29 Jun 1916 minelaying off Cape Rodoni. Jul 1916 transferred to Pola. 23 Sep 1916 minelaying off Po delta. 12 Oct 1916 attacked by enemy seaplanes 12 nm west of Peneda.

03 Feb 1917 from Pola to Cattaro. 07 Feb 1917 from Cattaro to Pola with German Admiral Kraft. 08 Feb 1917 one man lost in rough seas in the Quarnero. 17 Aug 1917 to Cattaro.

08 Feb 1918 at Pola for repairs. 14/15 May 1918 searching for enemy submarines. 09 Jun 1918 escorting Tegetthoff. 10 Jun 1918 assisting in picking up survivors from Szent István.

To Yugoslavia as T2; b/u 1939.