Patrol info for U-311
| Departure | Arrival / Fate | Duration | ||
| 7 Mar 1944 | Brest | 22 Apr 1944 | Lost | 47 days |
Commander | Officers * |
 Kptlt. Joachim Zander |
Daily positions, sinkings and allied attacks during the patrol of U-311
We have 45 daily positions for the 47 days U-311 was at sea.
Departure from Brest on 7 Mar 1944.
8 Mar 1944 - 9 Mar 1944 - 10 Mar 1944 - 11 Mar 1944 - 12 Mar 1944 - 13 Mar 1944 - 14 Mar 1944 - 15 Mar 1944 - 16 Mar 1944 - 17 Mar 1944 - 18 Mar 1944 - 19 Mar 1944 - 20 Mar 1944 - 21 Mar 1944 - 22 Mar 1944 - 23 Mar 1944 - 24 Mar 1944 - 25 Mar 1944 - 26 Mar 1944 - 27 Mar 1944 - 28 Mar 1944 - 29 Mar 1944 - 30 Mar 1944 - 31 Mar 1944 - 1 Apr 1944 - 2 Apr 1944 - 3 Apr 1944 - 4 Apr 1944 - 5 Apr 1944 - 6 Apr 1944 - 7 Apr 1944 - 8 Apr 1944 - 9 Apr 1944 - 10 Apr 1944 - 11 Apr 1944 - 12 Apr 1944 - 13 Apr 1944 - 14 Apr 1944 - 15 Apr 1944 - 16 Apr 1944 - 17 Apr 1944 - 18 Apr 1944 - 19 Apr 1944 - 20 Apr 1944 - 21 Apr 1944 -
Sunk on 22 Apr 1944.
Wolfpack operations during this patrol
U-311 operated with the following Wolfpacks during this patrol
Preussen (19 Mar 1944 - 22 Mar 1944)
Ships hit by U-311 during this patrol
| Date | U-boat | Commander | Name of ship | Tons | Nat. | Convoy | Map | ||
|---|---|---|---|---|---|---|---|---|---|
| 19 Mar 1944 | U-311 | Joachim Zander |  | Seakay | 10,342 |  | am | CU-17 | A |
| 10,342 | |||||||||
1 ship sunk (10,342 tons). Legend | |||||||||
General Events during this patrol
We have no events listed for this patrol.
Add more events! If you know of an interesting event either missing from this date or an upcoming event that you'd like to share please contact us. We continuously update these databases.
Attacks on U-311 during this patrol
12 Mar 1944
Aircraft attack, aircraft shot down:
British Halifax HX225 (RAF Sqdn 58/L)
01.20 hrs, Bay of Biscay, outbound: U-311 shot down the Halifax (misidentified as a Flying Fortress) after being strafed and depth charged. The crew of eight were all lost.
(Sources: Franks/Zimmerman)19 Mar 1944
Despite being hunted for hours by the escorts of the large tanker convoy CU 17, U-311 penetrated the defences and sank the large US steam tanker Seakay in the Atlantic west of Lands End, eluding the escorts afterwards. (Sources: Blair, vol 2, page 506)
About this data
If you believe we have missed an attack on a German U-boat in this listing please let us know.
See all patrols for U-311
* These are officers that later became commanders themselves.