Patrol info for U-31
| Departure | Arrival / Fate | Duration | ||
| 15 Jan 1940 | Wilhelmshaven | 4 Feb 1940 | Wilhelmshaven | 21 days |
Commander | Officers * |
Kptlt. Johannes Habekost |
Daily positions, sinkings and allied attacks during the patrol of U-31
We have 2 daily positions for the 21 days U-31 was at sea.
Departure from Wilhelmshaven on 15 Jan 1940.
16 Jan 1940 - 17 Jan 1940 - 18 Jan 1940 - 19 Jan 1940 - 20 Jan 1940 - 21 Jan 1940 - 22 Jan 1940 - 23 Jan 1940 - 24 Jan 1940 - 25 Jan 1940 - 26 Jan 1940 - 27 Jan 1940 - 28 Jan 1940 - 29 Jan 1940 - 30 Jan 1940 - 31 Jan 1940 - 1 Feb 1940 - 2 Feb 1940 - 3 Feb 1940 -
Arrival at Wilhelmshaven on 4 Feb 1940.
Ships hit by U-31 during this patrol
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
We have no recorded attacks on U-31 duing this patrol.
If you believe we have omitted an attack on U-31 please let us know.
Mine-laying operations during this patrol
U-31 laid mines on the following dates during this patrol:
| Date | Start | End | Grid | Location | Mines |
|---|---|---|---|---|---|
| 21 Jan 1940 | 18h04 | 19h05 | AM 3852 | Loch Ewe | 12 TMC |
See all patrols for U-31
* These are officers that later became commanders themselves.