U-boat patrols

Patrol info for U-107

DepartureArrival / FateDuration
30 Jan 1943Lorient25 Mar 1943Lorient55 days


Officers *

Kptlt. Harald Gelhaus

Oblt. Volker Simmermacher

Daily positions, sinkings and allied attacks during the patrol of U-107

We have daily positions for all 55 days on this patrol.

Wolfpack operations during this patrol

U-107 operated with the following Wolfpacks during this patrol
   Hartherz (3 Feb 1943 - 7 Feb 1943)
   Delphin (11 Feb 1943 - 14 Feb 1943)
   Robbe (16 Feb 1943 - 13 Mar 1943)

Ships hit by U-107 during this patrol

Date U-boat Commander Name of ship Tons Nat. ConvoyMap
22 Feb 1943U-107Harald Gelhaus Roxburgh Castle7,801brA
13 Mar 1943U-107Harald Gelhaus Oporto2,352brOS-44B
13 Mar 1943U-107Harald Gelhaus Marcella4,592brOS-44C
13 Mar 1943U-107Harald Gelhaus Clan Alpine5,442brOS-44D
13 Mar 1943U-107Harald Gelhaus Sembilangan4,990nlOS-44E

5 ships sunk (25,177 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-107 during this patrol

22 Mar 1943
14.35 hrs, Bay of Biscay, inbound: Whitley bomber A for Apple on A/S patrol from RAF OTU Sqdn 10 sighted the boats wake from a distance of 2.5 miles, but had to lose height before carrying out an attack, making a starboard turn to approach from dead astern and dropping six depth charges set for shallow along the track 20 seconds after the U-boat dived. U-107 had already reached a safe depth and escaped without damage. (Sources: ADM 199/1784)

About this data
If you believe we have missed an attack on a German U-boat in this listing please let us know.

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* These are officers that later became commanders themselves.

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