Ships hit by U 66
See the profile page for U 66
| Date | U-boat | Commander | Name of ship | Type of ship | Tons | Nat. | ||
|---|---|---|---|---|---|---|---|---|
| 5 Apr 1916 | U 66 | Thorwald von Bothmer |  | Zent | Steamer | 3,890 |  | br |
| 6 Apr 1916 | U 66 | Thorwald von Bothmer | Binicaise | Sailing vessel | 151 |  | fr | |
| 7 Apr 1916 | U 66 | Thorwald von Bothmer | Sainte Marie | Sailing vessel | 397 | | fr | |
| 7 Apr 1916 | U 66 | Thorwald von Bothmer | Rijndijk (d.) | Steamer | 3,557 |  | nl | |
| 8 Apr 1916 | U 66 | Thorwald von Bothmer | Santanderino | Steamer | 3,346 |  | sp | |
| 9 Apr 1916 | U 66 | Thorwald von Bothmer | Eastern City | Steamer | 4,341 | | br | |
| 9 Apr 1916 | U 66 | Thorwald von Bothmer | Glenalmond | Steamer | 2,888 | | br | |
| 9 Apr 1916 | U 66 | Thorwald von Bothmer | Sjolyst | Steamer | 997 |  | nw | |
| 10 Apr 1916 | U 66 | Thorwald von Bothmer | Margam Abbey | Steamer | 4,471 | | br | |
| 10 Apr 1916 | U 66 | Thorwald von Bothmer | Unione | Steamer | 2,367 |  | it | |
| 11 Aug 1916 | U 66 | Thorwald von Bothmer | Inverdruie | Sailing vessel | 613 | | nw | |
| 19 Aug 1916 | U 66 | Thorwald von Bothmer | | Falmouth (d.) | Light cruiser | 5,250 | | br |
| 11 Dec 1916 | U 66 | Thorwald von Bothmer | Bjor | Steamer | 1,090 | | nw | |
| 11 Dec 1916 | U 66 | Thorwald von Bothmer | Palander | Sailing vessel | 311 |  | sw | |
| 1 Mar 1917 | U 66 | Thorwald von Bothmer | Gurre | Steamer | 1,733 | | nw | |
| 1 Mar 1917 | U 66 | Thorwald von Bothmer | Livingstone (p.) | Steamer | 1,005 | | nw | |
| 22 Mar 1917 | U 66 | Thorwald von Bothmer | Stuart Prince | Steamer | 3,597 | | br | |
| 27 Mar 1917 | U 66 | Thorwald von Bothmer | Neath | Auxiliary motor | 5,548 | | br | |
| 6 Apr 1917 | U 66 | Thorwald von Bothmer | Powhatan | Tanker | 6,117 | | br | |
| 5 Jun 1917 | U 66 | Thorwald von Bothmer | Amor | Steamer | 3,472 | | it | |
| 5 Jun 1917 | U 66 | Thorwald von Bothmer | Manchester Miller | Steamer | 4,234 | | br | |
| 7 Jun 1917 | U 66 | Thorwald von Bothmer | Cranmore (d.) | Steamer | 3,157 | | br | |
| 7 Jun 1917 | U 66 | Thorwald von Bothmer | Ikalis | Steamer | 4,329 | | br | |
| 10 Jun 1917 | U 66 | Thorwald von Bothmer | Bay State | Steamer | 6,583 | | br | |
| 10 Jun 1917 | U 66 | Thorwald von Bothmer | Highbury | Steamer | 4,831 | | br | |
| 14 Jun 1917 | U 66 | Thorwald von Bothmer | Perfect | Sailing vessel | 1,088 | | nw | |
| 9 Jul 1917 | U 66 | Gerhard Muhle | Iparraguirre | steamer | 1,161 | | sp | |
| 21 Jul 1917 | U 66 | Gerhard Muhle | African Prince | Steamer | 4,916 | | br | |
| 21 Jul 1917 | U 66 | Gerhard Muhle | Harold | Sailing vessel | 1,376 | | br | |
| 86,816 | ||||||||
| 26 ships sunk (74,852 tons) and 3 ships damaged (11,964 tons).
| ||||||||