Patrols by U-857
See the profile page for U-857
| Commander | Departure | Arrival | Days | |||||
| 1. | Rudolf Premauer | 9 May, 1944 | Kiel | 13 Aug, 1944 | Bordeaux | 97 days | P | View |
| 2. | Rudolf Premauer | 25 Aug, 1944 | Bordeaux | 11 Oct, 1944 | Flensburg | 48 days | P | View |
| 3. | Rudolf Premauer | 17 Oct, 1944 | Flensburg | 19 Oct, 1944 | Hamburg | 3 days | ||
| 4. | Rudolf Premauer | 1 Dec, 1944 | Hamburg | 1 Dec, 1944 | Kiel | 1 days | ||
| 5. | Kptlt. Rudolf Premauer | 30 Jan, 1945 | Kiel | 2 Feb, 1945 | Horten | 4 days | ||
| 6. | Kptlt. Rudolf Premauer | 6 Feb, 1945 | Horten | 15 Apr, 1945 | Sunk | 69 days | P | View |
3 War patrols (P) located. | ||||||||