| Born | 7 Feb 1912 | Plön, Holstein | |
| Died | 8 Jun 1944 | (32) | Bay of Biscay |
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Ranks
Decorations |
U-boat Commands
| U-boat | From | To | |
|---|---|---|---|
| U-441 | 21 Feb 1942 | 15 May 1943 | 3 patrols (139 days) |
| U-441 | 6 Aug 1943 | 8 Jun 1944 (+) | 4 patrols (91 days) |
Patrol info for Klaus Hartmann
| U-boat | Departure | Arrival | ||||||
| 1. | U-441 | 17 Sep 1942 | Kiel | 27 Sep 1942 | Trondheim | Patrol 1, | 11 days | |
| 2. | U-441 | 1 Oct 1942 | Trondheim | 7 Nov 1942 | Brest | Patrol 1, | 38 days | |
| 3. | U-441 | 7 Dec 1942 | Brest | 11 Dec 1942 | Brest | Patrol 2, | 5 days | |
| 4. | U-441 | 13 Dec 1942 | Brest | 22 Jan 1943 | Brest | Patrol 2, | 41 days | |
| 5. | U-441 | 27 Feb 1943 | Brest | 11 Apr 1943 | Brest | Patrol 3, | 44 days | |
| 6. | U-441 | 17 Oct 1943 | Brest | 8 Nov 1943 | Brest | Patrol 4, | 23 days | |
| 7. | U-441 | 18 Jan 1944 | Brest | 14 Mar 1944 | Brest | Patrol 5, | 57 days | |
| 8. | U-441 | 1 May 1944 | Brest | 3 May 1944 | Brest | 3 days | ||
| 9. | U-441 | 20 May 1944 | Brest | 27 May 1944 | Brest | Patrol 6, | 8 days | |
| 10. | U-441 | 6 Jun 1944 | Brest | 8 Jun 1944 | Sunk | Patrol 7, | 3 days | |
| 7 patrols, 230 days at sea | ||||||||
Ships hit by Klaus Hartmann
| Date | U-boat | Name of ship | Tons | Nat. | Convoy | ||
|---|---|---|---|---|---|---|---|
| 27 Dec 1942 | U-441 |  | Soekaboemi | 7,051 |  | nl | ONS-154 |
| 7,051 | |||||||
1 ship sunk (7,051 tons). Legend | |||||||
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Books dealing with this subject include
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About ranks and decorations
Ranks shown in italics are our database inserts based on the rank dates of his crew comrades. The officers of each crew would normally have progressed through the lower ranks at the same rate.