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
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
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
U-20 attempted to torpedo a Soviet submarine chaser in the Black Sea off Tuapse, but the target went on the offensive, dropping eight depth charges. The boat was then kept submerged by aircraft for four hours and subsequently forced to return to base by 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.