U-boat patrols

Patrol info for U-37

DepartureArrival / FateDuration
30 Mar 1940Wilhelmshaven18 Apr 1940Wilhelmshaven20 days


Officers *

KrvKpt. Werner Hartmann

Ltn. Asmus Nicolai Clausen

Hans-G√ľnther Kuhlmann

Daily positions, sinkings and allied attacks during the patrol of U-37


means a ship hit (sunk or damaged).

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 19 daily positions for the 20 days U-37 was at sea.

Ships hit by U-37 during this patrol

Date U-boat Commander Name of ship Tons Nat. Convoy
10 Apr 1940U-37Werner Hartmann Sveaborg9,076sw
10 Apr 1940U-37Werner Hartmann Tosca5,128nw
12 Apr 1940U-37Werner Hartmann Stancliffe4,511br

3 ships sunk (18,715 tons).

We have a picture of this vessel.

General Events during this patrol


4 Apr 1940. U-37 was supplied with fuel and oil in the North Atlantic by the German raider Ship 16 (Atlantis).

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-37 during this patrol

We have no recorded attacks on U-37 during this patrol.

If you believe we have omitted an attack on U-37 please let us know.

See all patrols for U-37

* These are officers that later became commanders themselves.

Return to U-boat Patrols main page