German submarine U-646 | |
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Career (Nazi Germany) | |
Name: | U-646 |
Ordered: | 20 January 1941 |
Builder: | Blohm & Voss, Hamburg |
Yard number: | 146 |
Laid down: | 23 December 1941 |
Launched: | 3 September 1942 |
Commissioned: | 29 October 1942 |
Fate: | Sunk 17 May 1943 by British aircraft south-east of Iceland |
General characteristics [1] | |
Class & type: | Type VIIC submarine |
Displacement: |
769 t (757 long tons) surfaced 871 t (857 long tons) submerged |
Length: |
67.10 m (220 ft 2 in) (o/a) 50.50 m (165 ft 8 in) (pressure hull) |
Beam: |
6.20 m (20 ft 4 in) (o/a) 4.70 m (15 ft 5 in) (pressure hull) |
Height: | 9.60 m (31 ft 6 in) |
Draft: | 4.74 m (15 ft 7 in) |
Propulsion: |
2 × supercharged Germaniawerft 6-cylinder 4-stroke F46 diesel engines, totalling 2,800–3,200 PS (2,800–3,200 bhp; 2,100–2,400 kW). Max rpm: 470-490 2 × Brown, Boveri & Cie. double-acting electric motors, totaling 750 PS (740 shp; 550 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: |
8,500 nmi (15,700 km; 9,800 mi) at 10 knots (19 km/h; 12 mph) surfaced 80 nmi (150 km; 92 mi) 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: |
|
Service record | |
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Identification codes: | M 49 751 |
Commanders: | Lt.z.S.d.R. Heinrich Wulff |
Operations: | 2 war patrols |
Victories: | no ships sunk |
German submarine U-646 was a Type VIIC U-boat of Nazi Germany's Kriegsmarine during World War II. The submarine was laid down on 23 December 1941 at the Blohm & Voss yard at Hamburg, launched on 3 September 1942, and commissioned on 29 October 1942 under the command of Leutnant zur See d.R. Heinrich Wulff.
Attached to 5th U-boat Flotilla based at Kiel, U-646 completed her training period on 31 March 1943 and was assigned to front-line service.
Service history[]
While on patrol in the North Atlantic, U-646 was detected by Hudson J of No. 269 Squadron RAF south-east of Iceland on 17 May 1943. In the subsequent attack, the U-boat was sunk and all 46 crew members perished.[2]
References[]
- ↑ Gröner 1985, pp. 72-74.
- ↑ Busch, Röll 1999, p. 99.
Bibliography[]
- Busch, Rainer; Röll, Hans-Joachim (1999) (in German). Deutsche U-Boot-Verluste von September 1939 bis Mai 1945. IV. Hamburg, Berlin, Bonn: Mittler. ISBN 3-8132-0514-2.
- Gröner, Erich (1985) (in German). U-Boote, Hilfskreuzer, Minenschiffe, Netzleger, Sperrbrecher. III. Koblenz: Bernard & Graefe. ISBN 3-7637-4802-4.
External links[]
- Helgason, Guðmundur. "The Type VIIC boat U-646". http://www.uboat.net/boats/u646.html. Retrieved 21 July 2015.
Coordinates: 62°10′N 14°30′W / 62.167°N 14.5°W
The original article can be found at German submarine U-646 and the edit history here.