Patrol info for U-23
| Departure | Arrival / Fate | Duration | ||
| 10 Aug 1943 | Konstanza | 9 Sep 1943 | Konstanza | 31 days |
Commander | Officers * |
 Oblt. Rolf-Birger Wahlen |
Patrol in the Black Sea between Poti, Sokhumi and Tuapse. On 16 August, the boat entered the roads of Sokhumi but found no targets. U-23 entered Feodosia to resupply on 2 September.
Daily positions, sinkings and allied attacks during the patrol of U-23
We have daily positions for all 31 days on this patrol.
Departure from Konstanza on 10 Aug 1943.
11 Aug 1943 - 12 Aug 1943 - 13 Aug 1943 - 14 Aug 1943 - 15 Aug 1943 - 16 Aug 1943 - 17 Aug 1943 - 18 Aug 1943 - 19 Aug 1943 - 20 Aug 1943 - 21 Aug 1943 - 22 Aug 1943 - 23 Aug 1943 - 24 Aug 1943 - 25 Aug 1943 - 26 Aug 1943 - 27 Aug 1943 - 28 Aug 1943 - 29 Aug 1943 - 30 Aug 1943 - 31 Aug 1943 - 1 Sep 1943 - 2 Sep 1943 - 3 Sep 1943 - 4 Sep 1943 - 5 Sep 1943 - 6 Sep 1943 - 7 Sep 1943 - 8 Sep 1943 -
Arrival at Konstanza on 9 Sep 1943.
Ships hit by U-23 during this patrol
| Date | U-boat | Commander | Name of ship | Tons | Nat. | Convoy | Map | ||
|---|---|---|---|---|---|---|---|---|---|
| 24 Aug 1943 | U-23 | Rolf-Birger Wahlen | Shkval | 35 |  | sj | A | ||
| 35 | |||||||||
1 ship sunk (35 tons). | |||||||||
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.
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See all patrols for U-23
* These are officers that later became commanders themselves.