Ships hit by UB 12
See the profile page for UB 12
| Date | U-boat | Commander | Name of ship | Type of ship | Tons | Nat. | ||
|---|---|---|---|---|---|---|---|---|
| 24 Jul 1915 | UB 12 | Hans Nieland | Activity | Fishing vessel (smack) | 56 |  | br | |
| 24 Jul 1915 | UB 12 | Hans Nieland | Henry Charles | Fishing vessel (smack) | 41 | | br | |
| 24 Jul 1915 | UB 12 | Hans Nieland | Kathleen | Fishing vessel (smack) | 59 | | br | |
| 24 Jul 1915 | UB 12 | Hans Nieland | Prosper | Fishing vessel (smack) | 45 | | br | |
| 4 Aug 1915 | UB 12 | Hans Nieland | Challenger | Fishing vessel (smack) | 50 | | br | |
| 4 Aug 1915 | UB 12 | Hans Nieland | Heliotrope | Fishing vessel (smack) | 28 | | br | |
| 23 Aug 1915 | UB 12 | Hans Nieland | Boy Bert | Fishing vessel (smack) | 57 | | br | |
| 23 Aug 1915 | UB 12 | Hans Nieland | Integrity | Fishing vessel (smack) | 52 | | br | |
| 25 Aug 1915 | UB 12 | Hans Nieland | Young Frank | Fishing vessel (smack) | 49 | | br | |
| 21 Feb 1916 | UB 12 | Wilhelm Kiel | La Petite Henriette | Fishing vessel | 92 |  | be | |
| 21 Feb 1916 | UB 12 | Wilhelm Kiel | Oleander | Fishing vessel (smack) | 34 | | br | |
| 21 Feb 1916 | UB 12 | Wilhelm Kiel | W.E. Brown | Fishing vessel (smack) | 58 | | br | |
| 10 Apr 1916 | UB 12 | Wilhelm Kiel |  | Silksworth Hall | Steamer | 4,777 | | br |
| 6 Sep 1916 | UB 12 | Georg Gerth | Rilda | steamer | 313 |  | nw | |
| 7 Sep 1916 | UB 12 | Georg Gerth | | Niobe (p.) | Steamer | 654 |  | nl |
| 28 Sep 1916 | UB 12 | Georg Gerth | Marjorie | Fishing vessel (smack) | 55 | | br | |
| 13 Mar 1917 | UB 12 | Ernst Steindorff | Elisabeth | Navy trawler | 302 |  | fr | |
| 18 Mar 1917 | UB 12 | Ernst Steindorff | Duchess Of Montrose | Auxiliary minesweeper | 322 | | br | |
| 23 Mar 1917 | UB 12 | Ernst Steindorff | Laforey (hms) | Destroyer | 995 | | br | |
| 20 Apr 1917 | UB 12 | Ernst Steindorff | Nepaulin | Auxiliary minesweeper | 314 | | br | |
| 26 Apr 1917 | UB 12 | Ernst Steindorff | Alhama | Steamer | 1,744 | | br | |
| 10 Jun 1917 | UB 12 | Ernst Steindorff | Dulwich | Steamer | 1,460 | | br | |
| 10 Jul 1917 | UB 12 | Ernst Steindorff | Jupiter I | Navy trawler | 263 | | fr | |
| 27 Oct 1918 | UB 12 | Ernst Schöller | Calceolaria | Navy Drifter | 92 | | br | |
| 11,912 | ||||||||
| 24 ships sunk (11,912 tons).
| ||||||||