WWI U-boat Successes

Ships hit by UB 31

See the profile page for UB 31

DateU-boat Commander Name of shipType of shipTonsNat.
 
9 Apr 1917 UB 31Thomas Bieber KittiwakeSteamer1,866br
24 Apr 1917 UB 31Thomas Bieber Saint Jacques (d.)Sailing vessel415fr
28 Apr 1917 UB 31Thomas Bieber  MedinaPassenger steamer12,350br
21 May 1917 UB 31Thomas Bieber City Of CorinthSteamer5,870br
15 Jun 1917 UB 31Thomas Bieber Teesdale (d.)Steamer2,470br
17 Jun 1917 UB 31Thomas Bieber StanhopeSteamer2,854br
5 Jul 1917 UB 31Thomas Bieber Ocean SwellSailing vessel195br
6 Jul 1917 UB 31Thomas Bieber Ariadne Christine (d.)Steamer3,550br
7 Jul 1917 UB 31Thomas Bieber BelluciaSteamer4,368br
10 Jul 1917 UB 31Thomas Bieber HildegardSailing vessel622am
11 Jul 1917 UB 31Thomas Bieber BrunhildaSteamer2,296br
1 Aug 1917 UB 31Thomas Bieber AlcyoneMotor vessel149br
1 Aug 1917 UB 31Thomas Bieber LaertesSteamer4,541br
2 Aug 1917 UB 31Thomas Bieber NewlynSteamer4,019br
3 Aug 1917 UB 31Thomas Bieber Renee MartheSailing vessel50fr
8 Aug 1917 UB 31Thomas Bieber Algerie (d.)Steamer3,386fr
8 Sep 1917 UB 31Thomas Bieber ElizabethSailing vessel58br
9 Sep 1917 UB 31Thomas Bieber PlutonSteamer1,449nw
19 Oct 1917 UB 31Thomas Bieber WaikawaSteamer5,666br
20 Oct 1917 UB 31Thomas Bieber ColoradoSteamer7,165br
23 Oct 1917 UB 31Thomas Bieber Lepanto (d.)Steamer6,389br
19 Nov 1917 UB 31Thomas Bieber FarnSteamer4,393br
13 Dec 1917 UB 31Thomas Bieber BritannicSailing vessel92br
15 Dec 1917 UB 31Thomas Bieber Sachem (d.)Steamer5,354br
18 Dec 1917 UB 31Thomas Bieber RiversdaleSteamer2,805br
20 Dec 1917 UB 31Thomas Bieber Alice MarieSteamer2,210br
20 Dec 1917 UB 31Thomas Bieber EvelineSteamer2,605br
20 Dec 1917 UB 31Thomas Bieber WarsawSteamer608br
 
22 Jan 1918 UB 31Thomas Bieber Admiral Cochrane (d.)Steamer6,565br
22 Jan 1918 UB 31Thomas Bieber GreathamSteamer2,338br
24 Jan 1918 UB 31Thomas Bieber ElsaSteamer3,581nw
28 Feb 1918 UB 31Wilhelm Braun HeenvlietSteamer492nl
20 Mar 1918 UB 31Wilhelm Braun Boorara (d.)Steamer6,570br
24 Apr 1918 UB 31Wilhelm Braun AgneteSteamer1,127br
25 Apr 1918 UB 31Wilhelm Braun JosephSailing vessel42fr
 108,510
27 ships sunk (73,811 tons) and 8 ships damaged (34,699 tons).


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

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