U-997
Type | VIIC/41 | |||
| Ordered | 14 Oct, 1941 | |||
| Laid down | 7 Dec, 1942 | Blohm & Voss, Hamburg (werk 197) | ||
| Launched | 18 Aug, 1943 | |||
| Commissioned | 23 Sep, 1943 | Oblt. Hans Lehmann | ||
| Commanders |
| |||
| Career | 7 patrols | 23 Sep, 1943 - 30 Apr, 1944 5. Flottille (training) 1 May, 1944 - 31 May, 1944 9. Flottille (front boat) 1 Jun, 1944 - 1 Mar, 1945 13. Flottille (front boat) 1 Mar, 1945 - 8 May, 1945 14. Flottille (front boat) | ||
| Successes | 1 ship sunk for a total of 1.603 GRT 1 warship sunk for a total of 105 tons 1 ship damaged for a total of 4.287 GRT | |||
| Fate | Transferred from Narvik, Norway to Lisahally, Northern Ireland on 19 May, 1945 for Operation Deadlight. Operation Deadlight (post-war Allied operation, info) | |||
See the 3 ships hit by U-997 - View the 7 war patrols
Attacks on this boat
5 Nov, 1944
U-997 was attacked by an escort and sustained so much damage that she was forced to return to base.
1 recorded attacks on this boat.
General notes on this boat
On 21 April, 1945, in the Arctic Sea, an Allied U-boat hunter group attacked U-997 with depth charges. Due to some damage to the periscope, the boat had to return to base.
Schnorchel-fitted U-boat
This boat was fitted with a Schnorchel underwater-breathing apparatus in March 1945. Read more about the Schnorchel and see list of fitted boats.
Men lost from the boat
24 Feb, 1945
The boat lost a man overboard in the Arctic Sea. [Bootsmaat Erich Sachse]
Related: For more info on such losses see - Men lost from U-boats -
 German U-Boat Losses During World War II Niestle, Axel Buy this title at amazon.co.uk See more sellers |
Books dealing with this subject include: German U-Boat Losses During World War II, Niestle, Axel, 1998 U-Boat Adventures, Wiggins, Melanie, 1999 U-Boat Operations of the Second World War - Vol 1, Wynn, Kenneth, 1998 U-Boat Operations of the Second World War - Vol 2, Wynn, Kenneth, 1998 |