| Born | 30 Oct, 1915 | Kiel |
| Died | 18 Aug, 1943 | Central Atlantic |
|
Ranks
Decorations |
U-boat Commands
| U-303 | 7 Jul, 1942 | - | 21 May, 1943 | 2 patrols (83 days) |
| U-403 | 16 Jun, 1943 | - | 18 Aug, 1943 (+) | 1 patrol (37 days) |
Patrol info
| U-boat | Departure | Arrival | |||||
| 1. | U-303 | 31 Dec, 1942 | Kiel | 8 Mar, 1943 | Lorient | Patrol, | 68 days |
| 2. | U-303 | 1 Apr, 1943 | Lorient | 15 Apr, 1943 | La Spezia | Patrol, | 15 days |
| 3. | U-303 | 23 Apr, 1943 | La Spezia | 24 Apr, 1943 | Toulon | 2 days | |
| 4. | U-303 | 21 May, 1943 | Toulon | 21 May, 1943 | Sunk | 1 days | |
| 5. | U-403 | 13 Jul, 1943 | Brest | 18 Aug, 1943 | Sunk | Patrol, | 37 days |
| 3 patrols, 120 days at sea | |||||||
Ships hit by Karl-Franz Heine
| Date | Boat | Name of ship | Tons | Nat. | Convoy | Fate * | |
| 23 Feb, 1943 | U-303 | Expositor | 4.959 |  | am | ON-166 | |
| 4.959 | |||||||
* 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.