Patrols by U-31
See the profile page for U-31
| Commander | Departure | Arrival | Days | Tons | |||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | Kptlt. Johannes Habekost | 27 Aug 1939 | Memel | 2 Sep 1939 | Wilhelmshaven | 7 days | P | View | |
| 2 | Kptlt. Johannes Habekost | 9 Sep 1939 | Wilhelmshaven | 2 Oct 1939 | Wilhelmshaven | 24 days | 8,706 | P | View |
| 3 | Kptlt. Johannes Habekost | 21 Oct 1939 | Wilhelmshaven | 31 Oct 1939 | Wilhelmshaven | 11 days | 34,110 | P | View |
| 4 | Kptlt. Johannes Habekost | 19 Nov 1939 | Wilhelmshaven | 11 Dec 1939 | Wilhelmshaven | 23 days | 9,256 | P | View |
| 5 | Kptlt. Johannes Habekost | 15 Jan 1940 | Wilhelmshaven | 4 Feb 1940 | Wilhelmshaven | 21 days | P | View | |
| 6 | Kptlt. Wilfried Prellberg | 16 Sep 1940 | Wilhelmshaven | 8 Oct 1940 | Lorient | 23 days | 4,400 | P | View |
| 7 | Kptlt. Wilfried Prellberg | 19 Oct 1940 | Lorient | 2 Nov 1940 | Sunk | 15 days | 5,389 | P | View |
| 124 days | 61,861 | ||||||||
7 War patrols (P) located. 124 days at sea during patrols. War patrols are shown with grey background. Tons indicate tonnage of ships sunk or damaged during the patrol, if any. Warships are included. | |||||||||