U-boat patrols

Patrol info for U-309

DepartureArrival / FateDuration
13 Sep 1943Bergen18 Sep 1943Trondheim6 days
25 Sep 1943Trondheim7 Nov 1943Brest44 days
50 days
Sometimes patrols were split into several 'legs', for resupply and other matters.


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.

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
A man was lost in the North Atlantic while working on deck. [Mechanikergefreiter Erich Jungmann]

See all patrols for U-309

* These are officers that later became commanders themselves.

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