Tb 66F 1908 Skorpion

24 Jul 1914 in the Bocche. 11 Oct 1914 mineseeking between Metkovich and Cattaro. 16 Dec 1914 to Pola. 21 Dec 1914 at Cattaro.

01 Mar 1915 in action against Antivari. 05 Dec 1915 in action against San Giovanni di Medua.

28 Feb 1916 struck quay at Rovigno; needed repairs. 13 May 1916 at Sebenico. With Tb 65F sunk Italian submarine Balilla north west of Lissa 14 Jul 1916. Jul 1916 mineseeking in the Quarnero. 26 Sep 1916 damaged when mine recovered by Tb 52T in Kakola Bay (off Rogoznica) exploded in Rogoznica outer harbour; three lost. 28 Nov 1916 at Pola for overhaul.

27 May 1917 at Sebenico. 29 Aug 1917 at Pola. 27 Oct 1917 at Curzola. 11 Nov 1917 at Triest.

From 19 Jan 1918 at Cattaro. Oct 1918 at Sebenico.

To UK but b/u in Italy 1920.