Harro von Klot-Heydenfeldt
Kapitänleutnant (Crew 31)
| Successes 10 ships sunk, total tonnage 26,118 GRT 1 ship a total loss, total tonnage 844 GRT |
| Born | 25 Apr 1911 | Riga, Latvia | |
| Died | 1 Jul 1940 | (29) | Bay of Biscay |
|
Ranks
Decorations |
U-boat Commands
| U-boat | From | To | |
|---|---|---|---|
| U-4 | 29 Oct 1938 | 16 Jan 1940 | 2 patrols (22 days) |
| U-20 | 17 Jan 1940 | 15 Apr 1940 | 3 patrols (25 days) |
| U-102 | 27 Apr 1940 | 1 Jul 1940 (+) | 1 patrol (10 days) |
Patrol info for Harro von Klot-Heydenfeldt
| U-boat | Departure | Arrival | ||||||
| 1. | U-4 | 4 Sep 1939 | Wilhelmshaven | 14 Sep 1939 | Wilhelmshaven | Patrol 1, | 11 days | |
| 2. | U-4 | 19 Sep 1939 | Wilhelmshaven | 29 Sep 1939 | Kiel | Patrol 2, | 11 days | |
| 3. | U-20 | 21 Jan 1940 | Wilhelmshaven | 21 Jan 1940 | Helgoland | Patrol 3, | 1 days | |
| 4. | U-20 | 23 Jan 1940 | Helgoland | 31 Jan 1940 | Helgoland | Patrol 3, | 9 days | |
| 5. | U-20 | 4 Feb 1940 | Helgoland | 4 Feb 1940 | Wilhelmshaven | Patrol 3, | 1 days | |
| 6. | U-20 | 27 Feb 1940 | Wilhelmshaven | 4 Mar 1940 | Wilhelmshaven | Patrol 4, | 7 days | |
| 7. | U-20 | 14 Mar 1940 | Wilhelmshaven | 20 Mar 1940 | Wilhelmshaven | Patrol 5, | 7 days | |
| 8. | U-20 | 21 Mar 1940 | Wilhelmshaven | 22 Mar 1940 | Kiel | 2 days | ||
| 9. | U-102 | 22 Jun 1940 | Kiel | 1 Jul 1940 | Sunk | Patrol 6, | 10 days | |
| 6 patrols, 57 days at sea | ||||||||
Ships hit by Harro von Klot-Heydenfeldt
| Date | U-boat | Name of ship | Tons | Nat. | Convoy | ||
|---|---|---|---|---|---|---|---|
| 22 Sep 1939 | U-4 | Martti-Ragnar | 2,262 | fi | |||
| 23 Sep 1939 | U-4 | Walma | 1,361 | fi | |||
| 24 Sep 1939 | U-4 | Gertrud Bratt | 1,510 | sw | |||
| 27 Jan 1940 | U-20 | Faro (t.) | 844 | nw | |||
| 27 Jan 1940 | U-20 | Fredensborg | 2,094 | da | |||
| 27 Jan 1940 | U-20 | England | 2,319 | da | |||
| 27 Jan 1940 | U-20 | Hosanger | 1,591 | nw | |||
| 29 Feb 1940 | U-20 | Maria Rosa | 4,211 | it | |||
| 1 Mar 1940 | U-20 | Mirella | 5,340 | it | |||
| 28 Jun 1940 | U-102 | Castleton | 211 | br | |||
| 1 Jul 1940 | U-102 | Clearton | 5,219 | br | SL-36 | ||
| 26,962 | |||||||
11 ships sunk (26,962 tons). Legend | |||||||
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.

