Patrol info for U-23
| Departure | Arrival / Fate | Duration | ||
| 1 Nov 1939 | Kiel | 9 Nov 1939 | Kiel | 9 days |
Commander | Officers * |
 Kptlt. Otto Kretschmer |
1WO Oblt. Adalbert Schnee |
Minelaying patrol to the Cromarty Firth.
Daily positions, sinkings and allied attacks during the patrol of U-23
We have 2 daily positions for the 9 days U-23 was at sea.
Departure from Kiel on 1 Nov 1939.
2 Nov 1939 - 3 Nov 1939 - 4 Nov 1939 - 5 Nov 1939 - 6 Nov 1939 - 7 Nov 1939 - 8 Nov 1939 -
Arrival at Kiel on 9 Nov 1939.
Ships hit by U-23 during this patrol
General Events during this patrol
1939
4 Nov 1939. U-23 laid nine mines in the North Sea off Cromarty Firth, Scotland, but without result.
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Attacks on U-23 during this patrol
We have no recorded attacks on U-23 duing this patrol.
If you believe we have omitted an attack on U-23 please let us know.
Mine-laying operations during this patrol
U-23 laid mines on the following dates during this patrol:
| Date | Start | End | Grid | Location | Mines |
|---|---|---|---|---|---|
| 4 Nov 1939 | 10h08 | 10h54 | AN 1759 | Cromarty Firth | 9 TMB |
See all patrols for U-23
* These are officers that later became commanders themselves.