Patrol info for U-20
| Departure | Arrival / Fate | Duration | ||
| 16 Sep 1943 | Konstanza | 22 Sep 1943 | Sevastopol | 7 days |
| 24 Sep 1943 | Sevastopol | 12 Oct 1943 | Konstanza | 19 days |
| 26 days | ||||
Commander | Officers * |
 Kptlt. Clemens Schöler |
Mine laying operation of Poti in the Black Sea.
Patrol in the Black Sea between Anapa and Tuapse.
Daily positions, sinkings and allied attacks during the patrol of U-20
We have 25 daily positions for the 26 days U-20 was at sea.
Departure from Konstanza on 16 Sep 1943.
17 Sep 1943 - 18 Sep 1943 - 19 Sep 1943 - 20 Sep 1943 - 21 Sep 1943 - 22 Sep 1943 - 23 Sep 1943 - 24 Sep 1943 - 25 Sep 1943 - 26 Sep 1943 - 27 Sep 1943 - 28 Sep 1943 - 29 Sep 1943 - 30 Sep 1943 - 1 Oct 1943 - 2 Oct 1943 - 3 Oct 1943 - 4 Oct 1943 - 5 Oct 1943 - 6 Oct 1943 - 7 Oct 1943 - 8 Oct 1943 - 9 Oct 1943 - 10 Oct 1943 - 11 Oct 1943 -
Arrival at Konstanza on 12 Oct 1943.
Ships hit by U-20 during this patrol
General Events during this patrol
We have no events listed for this patrol.
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Attacks on U-20 during this patrol
We have no recorded attacks on U-20 duing this patrol.
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See all patrols for U-20
* These are officers that later became commanders themselves.