Patrol info for U-309
| Departure | Arrival / Fate | Duration | ||
| 13 Sep 1943 | Bergen | 18 Sep 1943 | Trondheim | 6 days |
| 25 Sep 1943 | Trondheim | 7 Nov 1943 | Brest | 44 days |
| 50 days | ||||
Commander | Officers * |
 Oblt. Hans-Gert Mahrholz |
Daily positions, sinkings and allied attacks during the patrol of U-309
We have daily positions for all 50 days on this patrol.
Departure from Bergen on 13 Sep 1943.
14 Sep 1943 - 15 Sep 1943 - 16 Sep 1943 - 17 Sep 1943 -
Arrival at Trondheim on 18 Sep 1943.
Departure from Trondheim on 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 -
Arrival at Brest on 7 Nov 1943.
Wolfpack operations during this patrol
U-309 operated with the following Wolfpacks during this patrol
Rossbach (6 Oct 1943 - 9 Oct 1943)
Schlieffen (14 Oct 1943 - 22 Oct 1943)
Siegfried (22 Oct 1943 - 26 Oct 1943)
Ships hit by U-309 during this patrol
General Events during this patrol
We have no events listed for this patrol.
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Attacks on U-309 during this patrol
We have no recorded attacks on U-309 duing this patrol.
If you believe we have omitted an attack on U-309 please let us know.
Men lost from U-boats
30 Sep 1943 |
See all patrols for U-309
* These are officers that later became commanders themselves.