Günther Hessler Ships attacked Ships attacked

| Date_ | Name_of_ship | Flag | Tonnage | Fate |
|---|---|---|---|---|
| 3 February1941 | Empire Citizen | United Kingdom | 4683 | sunk at |
| 3 February1941 | HMS Crispin | United Kingdom | 5051 | sunk at |
| 6February1941 | Maplecourt | Canada | 3388 | sunk at |
| 23February1941 | HMS Manistee (F 104) | United Kingdom | 5360 | sunk at |
| 8April1941 | Eskdene | United Kingdom | 3829 | sunk at |
| 8April1941 | Helena Margareta | United Kingdom | 3316 | sunk at |
| 9April1941 | Harpathian | United Kingdom | 4671 | sunk at |
| 9April1941 | Duffield | United Kingdom | 8516 | sunk at |
| 21April1941 | Calchas | United Kingdom | 10305 | sunk at |
| 30April1941 | Lassell | United Kingdom | 7417 | sunk at |
| 17May1941 | Marisa | Netherlands | 8029 | sunk at |
| 18May1941 | Piako | United Kingdom | 8286 | sunk at |
| 27May1941 | Colonial | United Kingdom | 5108 | sunk at |