| Born | 15 Jan 1915 | Pahlen, Nord-Ditmarschen | |
| Died | 4 Jun 1943 | (28) | west of Gibraltar |
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Ranks
Decorations |
U-boat Commands
| U-boat | From | To | |
| U-52 | 16 Jan 1942 | 24 Jul 1942 | No war patrols |
| U-594 | 25 Jul 1942 | 4 Jun 1943 (+) | 4 patrols (143 days) |
Patrol info for Friedrich Mumm
| U-boat | Departure | Arrival | ||||||
| 1. | U-594 | 4 Aug 1942 | St. Nazaire | 28 Sep 1942 | St. Nazaire | Patrol 1, | 56 days | |
| 2. | U-594 | 30 Dec 1942 | St. Nazaire | 18 Feb 1943 | St. Nazaire | Patrol 2, | 51 days | |
| 3. | U-594 | 23 Mar 1943 | St. Nazaire | 14 Apr 1943 | St. Nazaire | Patrol 3, | 23 days | |
| 4. | U-594 | 23 May 1943 | St. Nazaire | 4 Jun 1943 | Sunk | Patrol 4, | 13 days | |
| 4 patrols, 143 days at sea | ||||||||
Ships hit by Friedrich Mumm
| Date | U-boat | Name of ship | Tons | Nat. | Convoy | ||
|---|---|---|---|---|---|---|---|
| 13 Sep 1942 | U-594 | Stone Street | 6,131 | pa | ON-127 | ||
| 26 Jan 1943 | U-594 | Kollbjørg | 8,259 | nw | HX-223 | ||
| 14,390 | |||||||
2 ships sunk (14,390 tons). Legend | |||||||
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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.

