Patrols by U-334
See the profile page for U-334
| Commander | Departure | Arrival | Days | |||||
| 1. | Hilmar Siemon | 18 Mar, 1942 | Kiel | 14 Apr, 1942 | Trondheim | 28 days | P | View |
| 2. | Kptlt. Hilmar Siemon | 7 Jun, 1942 | Trondheim | 10 Jun, 1942 | Trondheim | 4 days | P | View |
| 3. | Kptlt. Hilmar Siemon | 15 Jun, 1942 | Trondheim | 6 Jul, 1942 | Neidenfjord | 22 days | P | View |
| 4. | Kptlt. Hilmar Siemon | 9 Jul, 1942 | Neidenfjord | 14 Jul, 1942 | Trondheim | 6 days | P | View |
| 5. | Kptlt. Hilmar Siemon | 31 Oct, 1942 | Trondheim | 1 Dec, 1942 | Narvik | 32 days | P | View |
| 6. | Kptlt. Hilmar Siemon | 2 Dec, 1942 | Narvik | 4 Dec, 1942 | Trondheim | 3 days | P | View |
| 7. | Kptlt. Hilmar Siemon | 12 Dec, 1942 | Trondheim | 16 Dec, 1942 | Bergen | 5 days | P | View |
| 8. | Oblt. Heinz Ehrich | 5 Jun, 1943 | Bergen | 14 Jun, 1943 | Sunk | 10 days | P | View |
8 War patrols (P) located. | ||||||||
