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| U-557 | Type VIIC |
| Feldpost Number | M 37 961 |
| Construction Yard | Blohm und Voß, Hamburg |
| Yard Number | 533 |
| Ordered | 25th Sep 1939 |
| Keel laid | 6th Jan 1940 |
| Launched | 22nd Dec 1940 |
| Commissioned | 13th Feb 1941 |
| Baubelehrung | Baubelehrung U-Boote Nordsee, Bremen | | Training, Flotillas and Duties | | 02.41 - 11.41 | 1.U-Flottille, Kiel & Brest
Ausbildungsboot (under training)
Frontboot (operational)
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| 12.41 - 12.41 | 29.U-Flottille, La Spezia
Frontboot (operational)
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| Commanders | | 13.02.41 - 16.12.41 | KL Ottokar Paulshen
see also: U-20 |
| Operations information for U-557 | 13.05.1941 - 10.07.1941
First Sailing - active patrol
U-557 left Kiel under the command of Ottokar Arnold Paulshen on 13th May 1941 and arrived at return on 10th Jul 1941 after over eight weeks.
Ottokar Arnold Paulshen hit one ship on this patrol from convoy HX-128.-
On 29th May 1941 he sank the British 7,290 ton Empire Storm, sailing with convoy HX-128.
You can find more about convoy HX-128 at the warsailors.com page on convoy HX-128.
| 13.08.1941 - 15.08.1941
Second Sailing
On the 13th Aug 1941, U-557 left Lorient under the command of Ottokar Arnold Paulshen and after two days arrived at return on 15th Aug 1941.
| 20.08.1941 - 19.09.1941
Third Sailing - active patrol
U-557 departed under Ottokar Arnold Paulshen from Lorient on 20th Aug 1941 and arrived at return on 19th Sep 1941 after over four weeks.
Ottokar Arnold Paulshen hit four ships on this patrol and all of them were in convoy, all of them from convoy OS-4.-
On 27th Aug 1941 he sank the Norwegian 4,414 ton Segundo, a member of convoy OS-4.
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On 27th Aug 1941 he sank the British 4,736 ton Tremoda, part of convoy OS-4.
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On 27th Aug 1941 he sank the British 4,954 ton Embassage, from convoy OS-4.
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On 27th Aug 1941 he sank the British 6,303 ton Saugor, sailing with convoy OS-4.
You can read more about the Norwegian ship listed for this patrol at www.warsailors.com.
Click the link for more information on Segundo.
| 19.11.1941 - 07.12.1941
Fourth Sailing - active patrol
U-557 left Lorient under the command of Ottokar Arnold Paulshen on 19th Nov 1941 and after two and a half weeks arrived at return on 7th Dec 1941.
Ottokar Arnold Paulshen hit one ship on this patrol.-
On 2nd Dec 1941 he sank the Norwegian 4,032 ton Fjord.
You can read more about the Norwegian ship listed for this patrol at www.warsailors.com.
Click the link for more information on Fjord.
| 09.12.1941 - 16.12.1941
Fifth Sailing
On the 9th Dec 1941, U-557 left Messina under the command of Ottokar Arnold Paulshen and arrived at return on 16th Dec 1941 after one week.
Ottokar Arnold Paulshen hit one ship on this patrol.-
On 15th Dec 1941 he sank the British 5,220 ton HMS Galatea.
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