| Born | 27 Sep, 1906 | Berlin-Friedenau |
| Died | 19 Nov, 1970 |
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Ranks
Decorations
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Personal information
 Kptlt. Ulrich Heyse after a patrol. |
Ulrich Heyse began his naval career in April 1933. Later he served for more than a year on the destroyer Theodor Riedel, including 12 patrols in the first year of the war. In July 1940 he transferred to the U-boat force. After the usual training he served on U-37 for one patrol as Kommandantenschüler (commander-in-training).
On 12 May, 1941 he commissioned U-128, a Type IXC boat. On the boat's second patrol in February 1942, he operated successfully in North American waters following the first Paukenschlag boats. Later Heyse led U-128 on two patrols in Brazilian waters.
In March 1943 Kptlt. Heyse left U-128 and became a teacher in several ULD's (Unterseebootslehrdivision). In March 1945 he became commander of the 32nd Flotilla.
Patrol info
| U-boat | Departure | Arrival | |||||
| 1. | U-128 | 9 Dec, 1941 | Kiel | 10 Dec, 1941 | Kristiansand | 2 days | |
| 2. | U-128 | 11 Dec, 1941 | Kristiansand | 24 Dec, 1941 | Lorient | Patrol | 14 days |
| 3. | U-128 | 8 Jan, 1942 | Lorient | 23 Mar, 1942 | Lorient | Patrol | 75 days |
| 4. | U-128 | 25 Apr, 1942 | Lorient | 22 Jul, 1942 | Lorient | Patrol | 89 days |
| 5. | U-128 | 2 Sep, 1942 | Lorient | 10 Sep, 1942 | Lorient | Patrol | 9 days |
| 6. | U-128 | 14 Sep, 1942 | Lorient | 15 Jan, 1943 | Lorient | Patrol | 124 days |
Ships hit by Ulrich Heyse
| Date | Boat | Name of ship | Tons | Nat. | Convoy | Fate * | |
| 19 Feb, 1942 | U-128 | Pan Massachusetts | 8.202 |  | am | ||
| 22 Feb, 1942 | U-128 | Cities Service Empire | 8.103 | | am | ||
| 5 Mar, 1942 | U-128 | O.A. Knudsen | 11.007 |  | nw | ||
| 13 May, 1942 | U-128 | Denpark | 3.491 |  | br | SL-109 | |
| 8 Jun, 1942 | U-128 | South Africa | 9.234 | | nw | ||
| 21 Jun, 1942 | U-128 | West Ira | 5.681 | | am | ||
| 23 Jun, 1942 | U-128 | Andrea Brøvig | 10.173 | | nw | ||
| 27 Jun, 1942 | U-128 | Polybius | 7.041 | | am | ||
| 8 Nov, 1942 | U-128 | Maloja | 6.400 | | nw | ||
| 10 Nov, 1942 | U-128 | Cerinthus | 3.878 | | br | ON-141 | |
| 10 Nov, 1942 | U-128 | Start Point | 5.293 | | br | ON-141 | |
| 5 Dec, 1942 | U-128 | Teesbank | 5.136 | | br | ||
| 83.639 | |||||||
* 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.