Tb 65F 1907 Hydra

From Aug 1914 in Cattaro.

18 Aug 1915 unsuccessfully attacked by submarine 3 nm off Punta d’Ostra.

17 Jan 1916 rescued flying boat L66 off Traste. 25 Jan 1916 at Pola for repairs. With Tb 66F sunk Italian submarine Balilla north west of Lissa 14 Jul 1916; damaged - under repair at Pola until Sep 1916. Nov 1916 at Curzola. At Sebenico until May 1917.

11 Nov 1917 at Triest. 15 Nov 1917 shelled by Italian batteries of Cortelazzo.

31 Jan 1918 at Sebenico. 01 Feb 1918 at Cattaro. 12 May 1918 grounded in Sabbioncello Channel; towed to Fiume for repair.

To UK but b/u in Italy 1920.