Patrols by U-17
See the profile page for U-17
| Commander | Departure | Arrival | Days | |||||
| 1. | Heinz von Reiche | 31 Aug, 1939 | Wilhelmshaven | 8 Sep, 1939 | Wilhelmshaven | 9 days | P | View |
| 2. | Kptlt. Udo Behrens | 29 Jan, 1940 | Wilhelmshaven | 10 Feb, 1940 | Wilhelmshaven | 13 days | P | View |
| 3. | Kptlt. Udo Behrens | 29 Feb, 1940 | Wilhelmshaven | 7 Mar, 1940 | Wilhelmshaven | 8 days | P | View |
| 4. | Kptlt. Udo Behrens | 13 Apr, 1940 | Wilhelmshaven | 2 May, 1940 | Kiel | 20 days | P | View |
4 War patrols (P) located. | ||||||||