Patrol info for U-103
| Departure | Arrival / Fate | Duration | ||
| 18 Sep 1943 | Lorient | 19 Sep 1943 | Brest | 2 days |
| 23 Sep 1943 | Brest | 1 Jan 1944 | Bergen | 101 days |
| 103 days | ||||
Commander | Officers * |
 Kptlt. Gustav-Adolf Janssen |
Daily positions, sinkings and allied attacks during the patrol of U-103
We have daily positions for all 103 days on this patrol.
Departure from Lorient on 18 Sep 1943.
Arrival at Brest on 19 Sep 1943.
Departure from Brest on 23 Sep 1943.
24 Sep 1943 - 25 Sep 1943 - 26 Sep 1943 - 27 Sep 1943 - 28 Sep 1943 - 29 Sep 1943 - 30 Sep 1943 - 1 Oct 1943 - 2 Oct 1943 - 3 Oct 1943 - 4 Oct 1943 - 5 Oct 1943 - 6 Oct 1943 - 7 Oct 1943 - 8 Oct 1943 - 9 Oct 1943 - 10 Oct 1943 - 11 Oct 1943 - 12 Oct 1943 - 13 Oct 1943 - 14 Oct 1943 - 15 Oct 1943 - 16 Oct 1943 - 17 Oct 1943 - 18 Oct 1943 - 19 Oct 1943 - 20 Oct 1943 - 21 Oct 1943 - 22 Oct 1943 - 23 Oct 1943 - 24 Oct 1943 - 25 Oct 1943 - 26 Oct 1943 - 27 Oct 1943 - 28 Oct 1943 - 29 Oct 1943 - 30 Oct 1943 - 31 Oct 1943 - 1 Nov 1943 - 2 Nov 1943 - 3 Nov 1943 - 4 Nov 1943 - 5 Nov 1943 - 6 Nov 1943 - 7 Nov 1943 - 8 Nov 1943 - 9 Nov 1943 - 10 Nov 1943 - 11 Nov 1943 - 12 Nov 1943 - 13 Nov 1943 - 14 Nov 1943 - 15 Nov 1943 - 16 Nov 1943 - 17 Nov 1943 - 18 Nov 1943 - 19 Nov 1943 - 20 Nov 1943 - 21 Nov 1943 - 22 Nov 1943 - 23 Nov 1943 - 24 Nov 1943 - 25 Nov 1943 - 26 Nov 1943 - 27 Nov 1943 - 28 Nov 1943 - 29 Nov 1943 - 30 Nov 1943 - 1 Dec 1943 - 2 Dec 1943 - 3 Dec 1943 - 4 Dec 1943 - 5 Dec 1943 - 6 Dec 1943 - 7 Dec 1943 - 8 Dec 1943 - 9 Dec 1943 - 10 Dec 1943 - 11 Dec 1943 - 12 Dec 1943 - 13 Dec 1943 - 14 Dec 1943 - 15 Dec 1943 - 16 Dec 1943 - 17 Dec 1943 - 18 Dec 1943 - 19 Dec 1943 - 20 Dec 1943 - 21 Dec 1943 - 22 Dec 1943 - 23 Dec 1943 - 24 Dec 1943 - 25 Dec 1943 - 26 Dec 1943 - 27 Dec 1943 - 28 Dec 1943 - 29 Dec 1943 - 30 Dec 1943 - 31 Dec 1943 -
Arrival at Bergen on 1 Jan 1944.
Ships hit by U-103 during this patrol
General Events during this patrol
1943
19 Nov 1943. U-103 transferred a seriously ill medical case to the Portuguese ship Angola in mid Atlantic.
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Attacks on U-103 during this patrol
We have no recorded attacks on U-103 duing this patrol.
If you believe we have omitted an attack on U-103 please let us know.
Mine-laying operations during this patrol
U-103 laid mines on the following dates during this patrol:
| Date | Start | End | Grid | Location | Mines |
|---|---|---|---|---|---|
| 31 Oct 1943 | 19h47 | 20h25 | EV 7315 | Takoradi, West Africa | 8 TMC |
See all patrols for U-103
* These are officers that later became commanders themselves.