German submarine U-1230

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Career (Nazi Germany)
Name: U-1230
Ordered: 14 October 1941
Builder: Deutsche Werft, Hamburg
Yard number: 397
Laid down: 15 March 1943
Launched: 8 November 1943
Commissioned: 26 January 1944
Fate: Surrendered, 8 May 1945
General characteristics [1]
Class and type: Type IXC/40 submarine
Displacement: 1,144 t (1,126 long tons) surfaced
1,257 t (1,237 long tons) submerged
Length: 76.76 m (251 ft 10 in) o/a
58.75 m (192 ft 9 in) pressure hull
Beam: 6.86 m (22 ft 6 in) o/a 4.44 m (14 ft 7 in) pressure hull
Height: 9.6 m (31 ft 6 in)
Draft: 4.67 m (15 ft 4 in)
Propulsion: 2 × MAN M 9 V 40/46 supercharged 9-cylinder diesel engines, 4,400 PS (4,340 shp; 3,236 kW)
2 × SSW GU 345/34 double-acting electric motors, 1,000 PS (986 shp; 735 kW)
Speed: 19 knots (35 km/h; 22 mph) surfaced
7.3 knots (13.5 km/h; 8.4 mph) submerged
Range: 13,850 nmi (25,650 km; 15,940 mi) at 10 knots (19 km/h; 12 mph) surfaced
63 nmi (117 km; 72 mi) at 4 knots (7.4 km/h; 4.6 mph) submerged
Test depth: 230 m (750 ft)
Complement: 4 officers, 44 enlisted
Armament:
Service record
Commanders: Kptlt. Hans Hilbig
Victories: 1 ship 5,458 GRT

German submarine U-1230 was a Type IXC/40 U-boat of Nazi Germany's Kriegsmarine during World War II.

Laid down on 15 March 1943 at the Deutsche Werft in Hamburg, and commissioned on 26 January 1944 under the command of Kapitänleutnant Hans Hilbig, it only undertook one patrol, operating from Horten, Norway, returning safely to Kristiansand, Norway in early 1945.

Service History[edit]

Its one war patrol was of historical interest less for its role in the Battle of the Atlantic (a Canadian steamer of 5,458 tons was its sole victim), than for its role in transporting two German spies to the United States.

Operation Magpie[edit]

William Curtis Colepaugh and Eric Gimpel were landed at Hancock Point in the Gulf of Maine on 29 November 1944 in Operation Magpie ("Unternehmen Elster"). The mission was intended to gather technical intelligence but failed, and both spies were captured.

Fate[edit]

At the end of the war it was captured by the Allies, transferred to Loch Ryan in Scotland, and destroyed by the Royal Navy frigate Cubitt as part of "Operation Deadlight". Unusually for a U-boat, U-1230 does not seem to have suffered any casualties during the war.

Summary of raiding career[edit]

Date Ship Name Nationality Tonnage (GRT) Fate[2]
3 December 1944 Cornwallis  Canada 5,458 Sunk

References[edit]

  1. ^ Gröner 1985, pp. 105-7.
  2. ^ Helgason, Guðmundur. "Ships hit by U-1230". German U-boats of WWII - uboat.net. Retrieved 17 February 2014. 

Bibliography[edit]

  • Busch, Rainer; Röll, Hans-Joachim (1999). Deutsche U-Boot-Verluste von September 1939 bis Mai 1945. Der U-Boot-Krieg (in German) IV (Hamburg, Berlin, Bonn: Mittler). ISBN 3-8132-0514-2. 
  • Gröner, Erich (1985). U-Boote, Hilfskreuzer, Minenschiffe, Netzleger, Sperrbrecher. Die deutschen Kriegsschiffe 1815-1945 (in German) III (Koblenz: Bernard & Graefe). ISBN 3-7637-4802-4. 

External links[edit]