Patrol info for U-553
Date lookup for 15 Oct 1941
| Departure | Arrival / Fate | Duration | ||
| 7 Oct 1941 | St. Nazaire | 22 Oct 1941 | St. Nazaire | 16 days |
Commander | Officers * | ||
 Kptlt. Karl Thurmann |
1WO Oblt. Wolfgang von Eickstedt |
1WO Oblt. Erich von Lilienfeld |
ObStrm Walter Zenker |
U-553's position on 15 Oct 1941
Ships hit by U-553 on this date
| Date | U-boat | Commander | Name of ship | Tons | Nat. | Convoy | Map | ||
|---|---|---|---|---|---|---|---|---|---|
| 15 Oct 1941 | U-553 | Karl Thurmann |  | Silvercedar | 4,354 |  | br | SC-48 | A |
| 15 Oct 1941 | U-553 | Karl Thurmann | | Ila | 1,583 |  | nw | SC-48 | B |
| 5,937 | |||||||||
2 ships sunk (5,937 tons). Legend | |||||||||
General Events during this patrol
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Attacks on U-553 during this patrol
15 Oct 1941
At 16.24 hrs, the boat dived after being sighted by HMCS Columbia while shadowing convoy SC 48 off its port beam. The destroyer obtained no Asdic contact but dropped six depth charges at the diving spot and then remained in the area to keep U-553 down. At 18.15 hrs, the U-boat fired a stern torpedo at the destroyer, but she managed to evade the attack after a lookout saw the torpedo track. HMCS Columbia picked up a good contact and delivered an accurate depth charge pattern, but U-553 had already dived to 55m (180ft) and suffered only minor damage. In the meantime HMS Gladiolus joined the hunt, but carried out no attacks as the U-boat had already crept away. (Sources: KTB U-553/ADM 237-187)
About this data
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* These are officers that later became commanders themselves.