U-boat patrols

Patrol info for U-4

DepartureArrival / FateDuration
19 Sep 1939Wilhelmshaven29 Sep 1939Kiel11 days


Officers *

Oblt. Harro von Klot-Heydenfeldt

Patrol description

Patrol in the Skagerrak for contraband control of neutral vessels. The boat stopped 18 ships in 9 days and sank 3 of them because they carried contraband.

Daily positions, sinkings and allied attacks during the patrol of U-4

We have daily positions for all 11 days on this patrol.

Ships hit by U-4 during this patrol

Date U-boat Commander Name of ship Tons Nat. ConvoyMap
22 Sep 1939U-4Harro von Klot-Heydenfeldt Martti-Ragnar2,262fiA
23 Sep 1939U-4Harro von Klot-Heydenfeldt Walma1,361fiB
24 Sep 1939U-4Harro von Klot-Heydenfeldt Gertrud Bratt1,510swC

3 ships sunk (5,133 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-4 during this patrol

We have no recorded attacks on U-4 duing this patrol.

If you believe we have omitted an attack on U-4 please let us know.

See all patrols for U-4

* These are officers that later became commanders themselves.

Return to U-boat Patrols main page