WWII U-boat Successes

Ships hit by U-103

See the profile page for U-103

Please note that in the table below you can find a 'Map' column. This helps to find that particular attack on the map below.

Date Commander Name of ship Tons Nat. ConvoyMap
6 Oct 1940Viktor Schütze Nina Borthen6,123nwOB-222A
9 Oct 1940Viktor Schütze Zannes Gounaris4,407grSC-6B
9 Oct 1940Viktor Schütze Graigwen (d.)3,697brSC-6C
9 Oct 1940Viktor Schütze Delphin3,816grSC-6D
13 Oct 1940Viktor Schütze Nora1,186esE
15 Oct 1940Viktor Schütze Thistlegarth4,747brOA-228F
21 Nov 1940Viktor Schütze Daydawn4,768brOB-244G
21 Nov 1940Viktor Schütze Victoria6,085grOB-244H
27 Nov 1940Viktor Schütze Glenmoor4,393brOB-248I
28 Nov 1940Viktor Schütze Mount Athos3,578grOB-248J
28 Nov 1940Viktor Schütze St. Elwyn4,940brOB-249K
8 Dec 1940Viktor Schütze Calabria9,515brSLS-56L
9 Dec 1940Viktor Schütze Empire Jaguar5,186brOB-252M
13 Feb 1941Viktor Schütze Arthur F. Corwin (d.)10,516brHX-106N
17 Feb 1941Viktor Schütze Edwy R. Brown10,455brHX-107O
18 Feb 1941Viktor Schütze Seaforth5,459brP
19 Feb 1941Viktor Schütze Benjamin Franklin7,034nwHX-107Q
25 Apr 1941Viktor Schütze Polyana2,267nwOG-58R
1 May 1941Viktor Schütze Samsø1,494brS
3 May 1941Viktor Schütze Wray Castle4,253brT
6 May 1941Viktor Schütze Surat5,529brU
6 May 1941Viktor Schütze Dunkwa4,752brOB-310V
9 May 1941Viktor Schütze City of Winchester7,120brOB-313W
11 May 1941Viktor Schütze City of Shanghai5,828brOB-313X
22 May 1941Viktor Schütze British Grenadier6,857brY
24 May 1941Viktor Schütze Marionga4,236grOB-317Z
25 May 1941Viktor Schütze Radames3,575ag
25 May 1941Viktor Schütze Wangi Wangi7,789nl
8 Jun 1941Viktor Schütze Elmdene4,853brOB-324
29 Jun 1941Viktor Schütze Ernani6,619it
22 Sep 1941Werner Winter Niceto de Larrinaga5,591brSL-87
22 Sep 1941Werner Winter Edward Blyden5,003brSL-87
2 Feb 1942Werner Winter W.L. Steed6,182am
4 Feb 1942Werner Winter San Gil3,627pa
5 Feb 1942Werner Winter India Arrow8,327am
5 Feb 1942Werner Winter China Arrow8,403am
5 May 1942Werner Winter Stanbank5,966br
17 May 1942Werner Winter Ruth Lykes2,612am
19 May 1942Werner Winter Ogontz5,037am
21 May 1942Werner Winter Clare3,372am
21 May 1942Werner Winter Elizabeth4,727am
23 May 1942Werner Winter Samuel Q. Brown6,625am
24 May 1942Werner Winter Hector1,828nl
26 May 1942Werner Winter Alcoa Carrier5,588am
28 May 1942Werner Winter New Jersey6,414am
31 Oct 1942Gustav-Adolf Janssen Tasmania6,405brSL-125
6 Dec 1942Gustav-Adolf Janssen Henry Stanley5,025brON-149
13 Dec 1942Gustav-Adolf Janssen Hororata (d.)13,945br

45 ships sunk (237,596 tons) and 3 ships damaged (28,158 tons).

We have a picture of this vessel.
(d.) means the ship was damaged.

Note on map. U-103 sank or damaged 48 Allied ships. Our map markers only have 26 labels (A-Z) at this time. This is why some of the markers have no label but otherwise work just fine. The markers are sorted by date, the first 26 successes have labels. This only affects about 20 of the most successful U-boats.

In some cases the exact positions of losses are not known, those are not shown.
In other cases the posititions are too close and the markers overlap, not much we can do about that.

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