Enns-class river monitor Enns-class river monitor The "Enns"-class river monitors were built for the Austro-Hungarian Navy during the mid-1910s. The two ships of the class were assigned to the Danube Flotilla and participated in World War I. The ships survived the war and were transferred to Romania and the newly created Kingdom of Serbs, Croats and Slovenes (later Yugoslavia) as reparations. The ships had an overall length of , a beam of , and a normal draught of . They displaced , and their crew consisted of 95 officers and enlisted men. The "Enns"-class ships were powered by two triple-expansion steam engines, each
Enns-class river monitor driving one shaft, using steam generated by two Yarrow boilers driving. The engines were rated at and were designed to reach a top speed of . They carried of fuel oil. The main armament of the "Enns"-class river monitors was a pair of /L45 guns in a single turret forward of the conning tower and three /L10 howitzers to the rear, in individual armored cupolas. They also mounted two individual /L50 BAG anti-aircraft guns, and six machine guns. The maximum range of her Škoda L/45 guns was . Her armour consisted of belt and bulkheads thick, deck armour thick, and