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| U-428 | Type VIIC |
| Feldpost Number | M 55 375 |
| Construction Yard | Danziger Werft AG, Danzig |
| Yard Number | 129 |
| Ordered | 5th Jun 1941 |
| Keel laid | 13th Aug 1942 |
| Launched | 11th Mar 1943 |
| Commissioned | 26th Jun 1943 |
| Baubelehrung | 7.KLA, Danzig | | Training, Flotillas and Duties | | 06.43 - 06.43 | 8.U-Flottille, Danzig Ausbildungsboot (under training)
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| 09.43 - 02.45 | 23.U-Flottille, Danzig Schulboot (training boat)
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| 03.45 - 05.45 | 31.U-Flottille, Hamburg Stromboot (used as power generator)
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| Commanders | | 26.10.43 - 01.05.44 | OL Helmuth Münster see also: U-101 U-3501 U-3517 |
| 02.05.44 - 03.05.45 | OL Hans-Ulrich Hanitsch |
| | | We don't have extra information on any relevant ships here.
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