U-boat Patrols

Patrols by U-21

See the profile page for U-21

1Kptlt. Fritz Frauenheim25 Aug 1939  Wilhelmshaven5 Sep 1939  Wilhelmshaven12 days P View
2Kptlt. Fritz Frauenheim9 Sep 1939  Wilhelmshaven1 Oct 1939  Wilhelmshaven23 days P View
Kptlt. Fritz Frauenheim2 Oct 1939  Wilhelmshaven3 Oct 1939  Kiel2 days 
3Kptlt. Fritz Frauenheim22 Oct 1939  Kiel8 Nov 1939  Kiel18 days13,766 P View
4Kptlt. Fritz Frauenheim27 Nov 1939  Kiel5 Dec 1939  Kiel9 days4,260 P View
5Kptlt. Fritz Frauenheim17 Dec 1939  Kiel24 Dec 1939  Kiel8 days2,827 P View
6Kptlt. Wolf-Harro Stiebler27 Jan 1940  Kiel9 Feb 1940  Wilhelmshaven14 days1,353 P View
7Kptlt. Wolf-Harro Stiebler21 Mar 1940  Wilhelmshaven27 Mar 1940  Mandal, Norway7 days P View
Kptlt. Wolf-Harro Stiebler16 Apr 1940  Kristiansand20 Apr 1940  Kiel5 days 
91 days22,206

7 War patrols (P) located. 91 days at sea during patrols (98 days at sea overall).
War patrols are shown with grey background.

Tons indicate tonnage of ships sunk or damaged during the patrol, if any. Warships are included.

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