Patrol info for U-21
| Departure | Arrival / Fate | Duration | ||
| 25 Aug 1939 | Wilhelmshaven | 5 Sep 1939 | Wilhelmshaven | 12 days |
Commander | Officers * |
 Kptlt. Fritz Frauenheim |
WO Oblt. Robert Bartels |
Ordered to observe the shipping off the Dutch coast. The boat was recalled shortly after the declaration of war on 3 September.
Daily positions, sinkings and allied attacks during the patrol of U-21
We have 3 daily positions for the 12 days U-21 was at sea.
Departure from Wilhelmshaven on 25 Aug 1939.
26 Aug 1939 - 27 Aug 1939 - 28 Aug 1939 - 29 Aug 1939 - 30 Aug 1939 - 31 Aug 1939 - 1 Sep 1939 - 2 Sep 1939 - 3 Sep 1939 - 4 Sep 1939 -
Arrival at Wilhelmshaven on 5 Sep 1939.
Ships hit by U-21 during this patrol
General Events during this patrol
We have no events listed for this patrol.
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Attacks on U-21 during this patrol
We have no recorded attacks on U-21 duing this patrol.
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See all patrols for U-21
* These are officers that later became commanders themselves.