U-boat patrols

Patrol info for U-311

DepartureArrival / FateDuration
7 Mar 1944Brest22 Apr 1944Lost47 days


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.

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. ConvoyMap
19 Mar 1944U-311Joachim Zander Seakay10,342amCU-17A

1 ship sunk (10,342 tons).

We have a picture of this vessel.

General Events during this patrol

We have no events listed for this patrol.

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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
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See all patrols for U-311

* These are officers that later became commanders themselves.

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