| Born | 16 Feb, 1917 | Freiburg, Bresgau |
| Died | 6 May, 1944 | south-west of Iceland |
|
Ranks
Decorations |
Patrol info
| U-boat | Departure | Arrival | |||||
| 1. | U-473 | 19 Mar, 1944 | Kiel | 22 Mar, 1944 | Bergen | 4 days | |
| 2. | U-473 | 27 Mar, 1944 | Bergen | 18 Apr, 1944 | Lorient | Patrol, | 23 days |
| 3. | U-473 | 24 Apr, 1944 | Lorient | 6 May, 1944 | Sunk | Patrol, | 13 days |
| 2 patrols, 36 days at sea | |||||||
Ships hit by Heinz Sternberg
| Date | Boat | Name of ship | Tons | Nat. | Convoy | Fate * | |
| 3 May, 1944 | U-473 | USS Donnell (DE 56) | 1.400 |  | am | CU-22 | total loss |
| 1.400 | |||||||
* 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.