SM UB-66 [SEP] vessel class
SM UB-66
SM "UB-66" 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 1 August 1917 as SM "UB-66".
"UB-66" was sunk by at on 18 January 1918, 30 crew members died in the event.
Construction.
She was built by Friedrich Krupp Germaniawerft of Kiel and following just under a year of construction, launched at Kiel on 31 May 1917. "UB-66
SM U-8 (Austria-Hungary)
SM "U-8" (Austria-Hungary) may refer to one of the following World War I German U-boats:
- , ordered as "U-8", part of the Austro-Hungarian Navy "U-7" class; sold to Germany before 1915 launch and became one of the German Type U 66 submarines; surrendered to the British and broken up in 1921
- , a German Type UB I submarine that operated in the Mediterranean; co-flagged as the Austro