Patrol info for U-20
| Departure | Arrival / Fate | Duration | ||
| 22 Jun 1943 | Konstanza | 29 Jun 1943 | Konstanza | 8 days |
Commander | Officers * |
![]() Oblt. Clemens Schöler |
1WO![]() Martin Landt-Hayen |
Patrol in the Black Sea off Tuapse. On 26 June, the boat had to abort the patrol due to problems with the exhaust valves and bilge pumps.
Daily positions, sinkings and allied attacks during the patrol of U-20
Legend
indicates an Allied attack on the boat.
The route is shown in a red line. You may have to zoom out to see all data.
In some cases missing data may make the route appear go overland which U-boats of course never did on patrols.
Left click to zoom-in and right-click to zoom out.
We have daily positions for all 8 days on this patrol.
Departure from Konstanza on 22 Jun 1943.
23 Jun 1943 - 24 Jun 1943 - 25 Jun 1943 - 26 Jun 1943 - 27 Jun 1943 - 28 Jun 1943 -
Arrival at Konstanza on 29 Jun 1943.
Ships hit by U-20 during this patrol
No entries found.
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-20 during this patrol
26 Jun 1943
The boat unsuccessfully tried to attack a Soviet submarine hunter off Tuapse, but was attacked itself with 8 depth charges and then kept submerged by aircraft for 4 hours. Afterwards the boat had to return to base due to mechanical failures. (Sources: Ritschel)
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-20
* These are officers that later became commanders themselves.
Return to U-boat Patrols main page


