Hanns-Ferdinand Massmann
Kapitänleutnant (Crew 36)
| Successes 3 ships sunk for a total of 16.199 GRT 1 ship damaged for a total of 7.519 GRT |
| Born | 25 Jun, 1917 | Kiel |
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Ranks
Decorations |
U-boat Commands
| U-137 | 15 Dec, 1940 | - | 7 Dec, 1941 | 1 patrol (14 days) |
| U-409 | 21 Jan, 1942 | - | 12 Jul, 1943 | 6 patrols (166 days) |
Patrol info
| U-boat | Departure | Arrival | |||||
| 1. | U-137 | 17 Jun, 1941 | Kiel | 20 Jun, 1941 | Bergen | 4 days | |
| 2. | U-137 | 21 Jun, 1941 | Bergen | 4 Jul, 1941 | Bergen | Patrol, | 14 days |
| 3. | U-137 | 24 Jul, 1941 | Bergen | 26 Jul, 1941 | Helsingör | 3 days | |
| 4. | U-137 | 28 Aug, 1941 | Helsingör | 29 Aug, 1941 | Kiel | 2 days | |
| 5. | U-409 | 18 Aug, 1942 | Kiel | 9 Sep, 1942 | Brest | Patrol, | 23 days |
| 6. | U-409 | 13 Oct, 1942 | Brest | 5 Nov, 1942 | Brest | Patrol, | 24 days |
| 7. | U-409 | 7 Dec, 1942 | Brest | 5 Jan, 1943 | Brest | Patrol, | 30 days |
| 8. | U-409 | 14 Feb, 1943 | Brest | 12 Apr, 1943 | Brest | Patrol, | 58 days |
| 9. | U-409 | 18 May, 1943 | Brest | 21 May, 1943 | Brest | 4 days | |
| 10. | U-409 | 26 May, 1943 | Brest | 11 Jun, 1943 | Toulon | Patrol, | 17 days |
| 11. | U-409 | 29 Jun, 1943 | Toulon | 12 Jul, 1943 | Sunk | Patrol, | 14 days |
| 7 patrols, 180 days at sea | |||||||
Ships hit by Hanns-Ferdinand Massmann
| Date | Boat | Name of ship | Tons | Nat. | Convoy | Fate * | |
| 30 Oct, 1942 | U-409 | Bullmouth | 7.519 |  | br | SL-125 | damaged |
| 30 Oct, 1942 | U-409 | Silverwillow | 6.373 | | br | SL-125 | |
| 9 Mar, 1943 | U-409 | Malantic | 3.837 |  | am | SC-121 | |
| 9 Mar, 1943 | U-409 | Rosewood | 5.989 | | br | SC-121 | |
| 23.718 | |||||||
* Unless otherwise noted the ships listed here were sunk. | |||||||
Decorations and ranks information is in many cases not complete. If you can help on any of those missing that would be great.