U-boat patrols

Patrol info for U-20

DepartureArrival / FateDuration
22 Feb 1944Konstanza1 Mar 1944Sevastopol9 days
2 Mar 1944Sevastopol27 Mar 1944Konstanza26 days
35 days
Sometimes patrols were split into several 'legs', for resupply and other matters.


Officers *

Oblt. Karl Grafen

Patrol description

Minelaying operation off Poti in the Black Sea.

Patrol in the Black Sea between Batumi and Poti.

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

We have 34 daily positions for the 35 days U-20 was at sea.

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

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.

Return to U-boat Patrols main page