Patrol info for U-91
| Departure | Arrival / Fate | Duration | ||
| 11 Feb 1943 | Brest | 29 Mar 1943 | Lorient | 47 days |
Commander | Officers * |
 Kptlt. Heinz Walkerling |
1WO Oblt. Gerhard Kluth |
Daily positions, sinkings and allied attacks during the patrol of U-91
Legend
means a ship hit (sunk or damaged).
indicates an Allied attack on the boat.
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We have daily positions for all 47 days on this patrol.
Departure from Brest on 11 Feb 1943.
12 Feb 1943 - 13 Feb 1943 - 14 Feb 1943 - 15 Feb 1943 - 16 Feb 1943 - 17 Feb 1943 - 18 Feb 1943 - 19 Feb 1943 - 20 Feb 1943 - 21 Feb 1943 - 22 Feb 1943 - 23 Feb 1943 - 24 Feb 1943 - 25 Feb 1943 - 26 Feb 1943 - 27 Feb 1943 - 28 Feb 1943 - 1 Mar 1943 - 2 Mar 1943 - 3 Mar 1943 - 4 Mar 1943 - 5 Mar 1943 - 6 Mar 1943 - 7 Mar 1943 - 8 Mar 1943 - 9 Mar 1943 - 10 Mar 1943 - 11 Mar 1943 - 12 Mar 1943 - 13 Mar 1943 - 14 Mar 1943 - 15 Mar 1943 - 16 Mar 1943 - 17 Mar 1943 - 18 Mar 1943 - 19 Mar 1943 - 20 Mar 1943 - 21 Mar 1943 - 22 Mar 1943 - 23 Mar 1943 - 24 Mar 1943 - 25 Mar 1943 - 26 Mar 1943 - 27 Mar 1943 - 28 Mar 1943 -
Arrival at Lorient on 29 Mar 1943.
Wolfpack operations during this patrol
U-91 operated with the following Wolfpacks during this patrol
Knappen (19 Feb 1943 - 25 Feb 1943)
Burggraf (4 Mar 1943 - 5 Mar 1943)
Raubgraf (7 Mar 1943 - 17 Mar 1943)
Ships hit by U-91 during this patrol
| Date | U-boat | Commander | Name of ship | Tons | Nat. | Convoy | ||
|---|---|---|---|---|---|---|---|---|
| 17 Mar 1943 | U-91 | Heinz Walkerling |  | Harry Luckenbach | 6,366 |  | am | HX-229 |
| 17 Mar 1943 | U-91 | Heinz Walkerling | | Irénée Du Pont | 6,125 | | am | HX-229 |
| 17 Mar 1943 | U-91 | Heinz Walkerling | | Nariva | 8,714 |  | br | HX-229 |
| 21,205 | ||||||||
3 ships sunk (21,205 tons). Legend | ||||||||
General Events during this patrol
We have no events listed for this patrol.
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Attacks on U-91 during this patrol
21 Feb 1943
While attacking a convoy the boat was hit by "rain of aircraft bombs and depth charges from surface ships" and forced to abort its attack to repair the damage. (Sources: Blair, vol 2, page 186)
27 Mar 1943
At 22.45 hours, the inbound boat was attacked by a Leigh-Light equipped British Wellington aircraft (RAF Sqdn 172 / M) in the Bay of Biscay. No damage to the boat. Due to a misunderstanding it dived, leaving three men on the bridge. They resurfaced immediately and found two of them still on the tower, but the crewman who fired the AA gun until the last moment was missing. [Oberbootsmaat Heinrich Hollenborg] (Sources: Ritschel)
About this data
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* These are officers that later became commanders themselves.
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