U-boat patrols

Patrol info for U-100

DepartureArrival / FateDuration
11 Sep 1940Lorient25 Sep 1940Lorient15 days


Officers *

Kptlt. Joachim Schepke
Cdr sea training

Kptlt. Walter Flachsenberg

Patrol description

The translated war diary of U-100 for this patrol is available on our partner website: uboatarchive.net

Daily positions, sinkings and allied attacks during the patrol of U-100


means a ship hit (sunk or damaged). indicates an Allied attack on the boat.

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We have daily positions for all 15 days on this patrol.

Ships hit by U-100 during this patrol

Date U-boat Commander Name of ship Tons Nat. Convoy
21 Sep 1940U-100Joachim Schepke Canonesa8,286brHX-72
21 Sep 1940U-100Joachim Schepke Torinia10,364brHX-72
21 Sep 1940U-100Joachim Schepke Dalcairn4,608brHX-72
22 Sep 1940U-100Joachim Schepke Empire Airman6,586brHX-72
22 Sep 1940U-100Joachim Schepke Scholar3,940brHX-72
22 Sep 1940U-100Joachim Schepke Frederick S. Fales10,525brHX-72
22 Sep 1940U-100Joachim Schepke Simla6,031nwHX-72

7 ships sunk (50,340 tons).

We have a picture of this vessel.

General Events during this patrol

We have no events listed for this patrol.

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Attacks on U-100 during this patrol

22 Sep 1940
At the end of a very successful attack on convoy HX 72 in the Atlantic west of Ireland, the boat tried to hit Putney Hill with her last torpedo at 02.57 hrs, but missed, and was driven off by three rounds of shellfire from the merchantman. (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-100

* These are officers that later became commanders themselves.

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