Patrol info for U-23
| Departure | Arrival / Fate | Duration | ||
| 18 Jan 1940 | Wilhelmshaven | 29 Jan 1940 | Wilhelmshaven | 12 days |
Commander | Officers * | |
 Kptlt. Otto Kretschmer |
1WO Oblt. Adalbert Schnee |
2WO Oblt. Hans-Diedrich Freiherr von Tiesenhausen |
Patrol in the North Sea off the Shetland and Orkney Islands. On 22 January, the boat tried to enter Sullom Voe but this was not possible due to net barrages and patrol vessels.
Daily positions, sinkings and allied attacks during the patrol of U-23
We have 3 daily positions for the 12 days U-23 was at sea.
Departure from Wilhelmshaven on 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 -
Arrival at Wilhelmshaven on 29 Jan 1940.
Ships hit by U-23 during this patrol
| Date | U-boat | Commander | Name of ship | Tons | Nat. | Convoy | Map | ||
|---|---|---|---|---|---|---|---|---|---|
| 24 Jan 1940 | U-23 | Otto Kretschmer |  | Varild | 1,085 |  | nw | A | |
| 1,085 | |||||||||
1 ship sunk (1,085 tons). Legend | |||||||||
General Events during this patrol
We have no events listed for this patrol.
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Attacks on U-23 during this patrol
We have no recorded attacks on U-23 duing this patrol.
If you believe we have omitted an attack on U-23 please let us know.
See all patrols for U-23
* These are officers that later became commanders themselves.