SM UB-12 [SEP] vessel class
SM UB-12
SM "UB-12" was a German Type UB I submarine or U-boat in the German Imperial Navy () during World War I. The submarine disappeared in August 1918.
"UB-12" was ordered in October 1914 and was laid down at the AG Weser shipyard in Bremen in November. "UB-12" was a little under in length and displaced between , depending on whether surfaced or submerged. She carried two torpedoes for her two bow torpedo tubes and was also armed with a deck-mounted machine gun
the fourth was still alive when recovered but died within three hours, although not before revealing that the destroyed submarine had been the SM UB-74. "Lorna" was returned to her owner in February 1919, she was then sold on to Walter Preston, an engineer and Member of Parliament.
History Second World War.
In September 1939, the yacht was again requisitioned as an armed patrol vessel, equipped with a 12-pounder gun. She initially served with the North Atlantic Command at Fort William in Scotland. One of "Lorna