German submarine U-712
| Career (Nazi Germany) |  |
|---|---|
| Name: | U-712 |
| Ordered: | 7 December 1940[1] |
| Builder: | HC Stülcken & Sohn, Hamburg |
| Laid down: | 4 September 1941[1] |
| Launched: | 10 August 1942[1] |
| Commissioned: | 5 November 1942[1] |
| Status: | Surrendered to Allied forces[1] |
| General characteristics | |
| Type: | Type VIIC submarine |
| Displacement: |
769 tonnes (757 long tons) surfaced 871 t (857 long tons) submerged |
| Length: |
67.1 m (220 ft 2 in) o/a 50.5 m (165 ft 8 in) pressure hull |
| Beam: |
6.2 m (20 ft 4 in) o/a 4.7 m (15 ft 5 in) pressure hull |
| Draft: | 4.74 m (15 ft 7 in) |
| Propulsion: |
2 × supercharged Germaniawerft 6-cylinder 4-stroke F46 diesel engines, totalling 2,800–3,200 bhp (2,100–2,400 kW). Max rpm: 470-490 2 × GL RP 137/c electric motors, totalling 750 shp (560 kW) and max rpm: 296 |
| Speed: |
17.7 knots (32.8 km/h; 20.4 mph) surfaced 7.6 knots (14.1 km/h; 8.7 mph) submerged |
| Range: |
15,170 km (8,190 nmi) at 10 knots (19 km/h; 12 mph) surfaced 150 km (81 nmi) at 4 knots (7.4 km/h; 4.6 mph) submerged |
| Test depth: |
230 m (750 ft) Crush depth: 250–295 m (820–968 ft) |
| Complement: | 44–52 officers & ratings |
| Armament: |
5 × 53.3 cm (21 in) torpedo tubes (4 bow, 1 stern) 14 × torpedoes or 26 TMA mines 1 × 8.8 cm (3.46 in) deck gun (220 rounds) Various AA guns |
| Service record | |
|---|---|
| Part of: |
Kriegsmarine 1 Mar - 8 May 1945 |
| Commanders: |
Oblt.z.S. Walter Pietschmann 3 Jul 1944- 8 May 1945 |
| Operations: | 0 patrols[1] |
German submarine U-712 was a Type VIIC U-boat built for Nazi Germany's Kriegsmarine for service during World War II. Commissioned on 5 November 1942, she served with the 8th U-boat Flotilla until 31 October 1943 as a training boat, and as a front boat in the 3rd U-boat Flotilla under Oberleutnant zur See Walter Pietschmann until 14 December, before being replaced by Oberleutnant Walter-Ernst Koch.
Service Record
Built in werk 778 of the HC Stülcken & Sohn shipyard in Hamburg, U-712 was launched on 10 August 1942. After the completion of system checks and crew training, U-712 was transferred to the 3rd Flotilla on 13 October 1943. On 1 January 1944, she was re-assigned to the 21st U-boat Flotilla as a training boat. On the 3 July 1944, Oblt.z.S. Koch handed over to Freiherr Eberhard von Ketelhodt, leaving to command U-975.[2] U-712's purpose was succeeded by a similar function with the 31st from 1 March 1945
In the rest of her career under Walter-Ernst Koch and Freiherr Eberhard von Ketelhodt, she served as a training vessel, never having made a single patrol.
Fate
After Germany's surrender in May, 1945, U-712 was scuttled at Kristiansand in Norway. She was later taken to Loch Ryan in Scotland, where the British used her bulk for testing before braking her up at Hayle in 1950
Sources
- ↑ 1.0 1.1 1.2 1.3 1.4 1.5 "U-712". Uboat Encyclopedia. Uboat.net. Retrieved 2010-03-01.
- ↑ "Oblt.z.S. Koch". Uboat.net. Retrieved 2010-03-27.
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