Patrols by U-634
See the profile page for U-634
| Commander | Departure | Arrival | Days | |||||
| 1. | Eberhard Dahlhaus | 9 Feb, 1943 | Kiel | 13 Feb, 1943 | Bergen | 5 days | ||
| 2. | Eberhard Dahlhaus | 18 Feb, 1943 | Bergen | 23 Mar, 1943 | Lorient | 34 days | P | View |
| 3. | Oblt. Eberhard Dahlhaus | 15 Apr, 1943 | Lorient | 23 May, 1943 | Brest | 39 days | P | View |
| 4. | Oblt. Eberhard Dahlhaus | 12 Jun, 1943 | Brest | 30 Aug, 1943 | Sunk | 80 days | P | View |
3 War patrols (P) located. | ||||||||