Patrol info for U-1
| Departure | Arrival / Fate | Duration | ||
| 4 Apr 1940 | Wilhelmshaven | 6 Apr 1940 | Lost | 3 days |
Commander | Officers * |
 KrvKpt. Jürgen Deecke |
Formed U-boat group 4 (Stavanger) together with U-4 for Operation Weseruebung, the German invasion of Denmark and Norway. The boat had to return to port shortly after its departure due to technical problems and went missing after leaving again on 6 April, probably lost the same day on a mine west of Helgoland. The loss of U-1 was not realized by the BdU until 21 April.
Daily positions, sinkings and allied attacks during the patrol of U-1
We have daily positions for all 3 days on this patrol.
Departure from Wilhelmshaven on 4 Apr 1940.
5 Apr 1940 -
Sunk on 6 Apr 1940.
Ships hit by U-1 during this patrol
General Events during this patrol
We have no events listed for this patrol.
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Attacks on U-1 during this patrol
We have no recorded attacks on U-1 duing this patrol (prior to its loss).
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See all patrols for U-1
* These are officers that later became commanders themselves.