SM UB-89 [SEP] vessel class
SM UB-89
SM "UB-89" was a German Type UB III submarine or U-boat in the German Imperial Navy () during World War I. She was commissioned into the German Imperial Navy on 25 February 1918 as SM "UB-89".
"UB-89" was lost in a collision with the light cruiser in Kiel. Seven crew members perished in the accident. On 30 October 1918 the boat was raised by the salvage ship . On 7 March 1919, en route to surrender, "UB-89" began to drift
with a deck-mounted machine gun. "UB-13" was broken into sections and shipped by rail to Antwerp for reassembly. She was launched in March 1915 and commissioned as SM "UB-13" in April.
"UB-13" spent her entire career in the Flanders Flotilla and sank 11 merchant ships, about half of them British fishing vessels. In March 1916, "UB-13" was responsible for sinking the Dutch ocean liner , raising the ire of the Dutch public. "Tubantia" was the largest neutral vessel sunk during