WWI U-boat Successes

Ships hit by UB 21

See the profile page for UB 21

DateU-boat Commander Name of shipType of shipTonsNat.
 
5 May 1916 UB 21Ernst Hashagen HaraldSailing vessel275sw
20 Oct 1916 UB 21Ernst Hashagen LeknaSailing vessel204sw
20 Oct 1916 UB 21Ernst Hashagen RandiSailing vessel467nw
20 Oct 1916 UB 21Ernst Hashagen SvartvikSailing vessel322sw
21 Oct 1916 UB 21Ernst Hashagen Fritzöe (p.)Steamer641nw
21 Oct 1916 UB 21Ernst Hashagen Grönhaugsteamer667nw
22 Oct 1916 UB 21Ernst Hashagen LondonSailing vessel184da
22 Oct 1916 UB 21Ernst Hashagen ThorAuxiliary motor372nw
3 Nov 1916 UB 21Ernst Hashagen Pluto (p.)Steamer1,148nw
 
16 Feb 1917 UB 21Franz Walther Lady Annsteamer1,016br
17 Feb 1917 UB 21Franz Walther ExcelTrawler157br
22 Feb 1917 UB 21Franz Walther John MilesSteamer687br
29 Mar 1917 UB 21Franz Walther BywellSteamer1,522br
31 Mar 1917 UB 21Franz Walther Norden (p.)Steamer776nw
29 Apr 1917 UB 21Franz Walther VictoriaSteamer1,620br
2 May 1917 UB 21Franz Walther Rikard NordraakSteamer1,123nw
5 May 1917 UB 21Franz Walther EDITH CAVELLFishing vessel20br
6 May 1917 UB 21Franz Walther HaroldSteamer1,679sw
8 May 1917 UB 21Franz Walther Batavier Ii (p.)Trawler157nl
6 Jun 1917 UB 21Franz Walther S.n.a. 2Steamer2,294fr
7 Jun 1917 UB 21Franz Walther Sir FrancisSteamer1,991br
20 Jul 1917 UB 21Franz Walther TrelyonSteamer3,099br
22 Jul 1917 UB 21Franz Walther GlowSteamer1,141br
23 Jul 1917 UB 21Franz Walther VanlandSteamer1,285sw
24 Aug 1917 UB 21Franz Walther SpringhillSteamer1,507br
18 Oct 1917 UB 21Walter Scheffler AmsteldamSteamer1,233br
19 Oct 1917 UB 21Walter Scheffler GemmaSteamer1,385br
23 Nov 1917 UB 21Walter Scheffler OceanSteamer1,442br
29 Dec 1917 UB 21Walter Scheffler Inverness (d.)Steamer3,734br
29 Dec 1917 UB 21Walter Scheffler PatriaSteamer838ru
30 Dec 1917 UB 21Walter Scheffler HerculesSteamer1,295br
 
25 Mar 1918 UB 21Walter Scheffler HerculesSteamer1,095br
8 May 1918 UB 21Bruno Mahn Constantiasteamer772br
10 May 1918 UB 21Bruno Mahn Anboto MendiSteamer2,114sp
11 May 1918 UB 21Bruno Mahn GothiaSteamer1,826sw
12 May 1918 UB 21Bruno Mahn HaslingdenSteamer1,934br
4 Jul 1918 UB 21Bruno Mahn MentorSailing vessel539nw
26 Sep 1918 UB 21Bruno Mahn Paulsteamer659be
 43,220
37 ships sunk (39,486 tons) and 1 ship damaged (3,734 tons).


Legend
(d.) means the ship was damaged.
(p.) means the ship was taken as prize (included in ships & tonnage lost).

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