Patrols by U-993
See the profile page for U-993
| Commander | Departure | Arrival | Days | |||||
| 1. | Oblt. Kurt Hilbig | 9 Mar, 1944 | Kiel | 11 Mar, 1944 | Marviken | 3 days | ||
| 2. | Oblt. Kurt Hilbig | 23 Mar, 1944 | Marviken | 22 Apr, 1944 | Lorient | 31 days | P | View |
| 3. | Oblt. Kurt Hilbig | 6 Jun, 1944 | Lorient | 14 Jun, 1944 | Brest | 9 days | P | View |
| 4. | Oblt. Karl-Heinz Steinmetz | 17 Aug, 1944 | Brest | 18 Sep, 1944 | Bergen | 33 days | P | View |
3 War patrols (P) located. | ||||||||