Patrol info for U-31
| Departure | Arrival / Fate | Days | ||
| 16 Sep 1940 | Wilhelmshaven | 8 Oct 1940 | Lorient | 23 days |
Commander | Officers * |
 Wilfried Prellberg |
U-31's daily positions during the patrol
Resource id #30
ms = 53.31N08.09E,56.51N12.12E,58.39N08.36E,58.39N05.00E,61.21N02.52W,59.50N07.40W,58.39N11.12W,56.51N14.48W,54.09N18.15W,55.03N21.15W,55.57N19.45W,55.03N16.45W,55.03N15.15W,55.03N15.15W,54.09N19.45W,52.21N21.15W,52.21N19.45W,53.15N16.45W,50.33N13.45W,46.03N04.45W,47.51N07.45W,47.45N03.21W
We have 22 daily positions for the 23 days U-31 was at sea.
Ships hit by U-31 during this patrol
| Date | U-boat | Commander | Name of ship | Tons | Nat. | Convoy | ||
|---|---|---|---|---|---|---|---|---|
| 22 Sep 1940 | U-31 | Wilfried Prellberg |  | Union Jack | 81 |  | fa | |
| 27 Sep 1940 | U-31 | Wilfried Prellberg | Vestvard | 4,319 |  | nw | OB-218 | |
| 4,400 | ||||||||
2 ships sunk (4,400 tons). Legend | ||||||||
Locations of ships hit during this patrol
Resource id #37
ms = 59.50N07.40W
We have 1 position of the 2 ships attacked.
General Events during this patrol
We have no events listed for this patrol. Add more events! If you know of an interesting event either missing from this date or an upcoming event that you'd like to share please contact us. We continuously update these databases. |
Attacks on U-31 during this patrol
29 Sep 1940
An unknown enemy submarine fired two torpedoes at U-31. The boat escaped by the narrowest of margins.
About this data
If you believe we have missed an attack on a German U-boat in this listing please let us know.
See all patrols for U-31
* These are officers that later became commanders themselves.
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