U-boat patrols

Patrol info for U-20

DepartureArrival / FateDuration
11 Jun 1944Konstanza11 Jul 1944Konstanza31 days


Officers *

Oblt. Karl Grafen

Patrol description

Patrol in the Black Sea between Trabzon, Poti and Gagra.

Daily positions, sinkings and allied attacks during the patrol of U-20

We have daily positions for all 31 days on this patrol.

Ships hit by U-20 during this patrol

Date U-boat Commander Name of ship Tons Nat. ConvoyMap
19 Jun 1944U-20Karl Grafen PestelĀ“1,850sjA
24 Jun 1944U-20Karl Grafen DB-269sjB

2 ships sunk (1,859 tons).

We have a picture of this vessel.

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

We have no recorded attacks on U-20 duing this patrol.

If you believe we have omitted an attack on U-20 please let us know.

See all patrols for U-20

* These are officers that later became commanders themselves.

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