German submarine U-1230: Difference between revisions

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{{Short description|German World War II submarine}}
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{{Use dmy dates|date=September 2021}}
{|{{Infobox ship begin}}
{|{{Infobox ship begin}}
{{Infobox ship image
{{Infobox ship image
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{{Infobox ship career
{{Infobox ship career
|Hide header=
|Hide header=
|Ship flag={{flag|Nazi Germany|naval}}
|Ship country=[[Nazi Germany]]
|Ship flag={{shipboxflag|Nazi Germany|naval}}
|Ship name=''U-1230''
|Ship name=''U-1230''
|Ship ordered=14 October 1941
|Ship ordered=14 October 1941
|Ship builder=[[Deutsche Werft]], [[Hamburg]]
|Ship builder=[[Deutsche Werft]], [[Hamburg]]
|Ship yard number=397
|Ship yard number=393
|Ship laid down=15 March 1943
|Ship laid down=15 March 1943
|Ship launched=8 November 1943
|Ship launched=8 November 1943
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|Ship motto=
|Ship motto=
|Ship nickname=
|Ship nickname=
|Ship fate=Surrendered, 8 May 1945
|Ship fate=*Surrendered on 5 May 1945
*Sunk on 17 December 1945 during [[Operation Deadlight]]
|Ship notes=
|Ship notes=
}}
}}
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|Ship class=[[German Type IX submarine#Type IXC/40|Type IXC/40]] [[submarine]]
|Ship class=[[German Type IX submarine#Type IXC/40|Type IXC/40]] [[submarine]]
|Ship displacement=
|Ship displacement=
*{{convert|1144|t|LT|abbr=on}} surfaced
*{{convert|1144|t|LT|abbr=on|lk=on}} surfaced
*{{convert|1257|t|LT|abbr=on}} submerged
*{{convert|1257|t|LT|abbr=on}} submerged
|Ship length=
|Ship length=
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*{{convert|7.3|kn}} submerged
*{{convert|7.3|kn}} submerged
|Ship range=
|Ship range=
*{{convert|13,850|nmi|lk=in|abbr=on}} at {{convert|10|kn}} surfaced
*{{convert|13850|nmi|lk=in|abbr=on}} at {{convert|10|kn}} surfaced
*{{convert|63|nmi|abbr=on}} at {{convert|4|kn}} submerged
*{{convert|63|nmi|abbr=on}} at {{convert|4|kn}} submerged
|Ship test depth={{convert|230|m|ft|abbr=on}}
|Ship test depth={{convert|230|m|ft|abbr=on}}
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*1 × [[10.5 cm SK C/32 naval gun|{{convert|10.5|cm|in|sp=us|abbr=on}} SK C/32]] [[deck gun]] (180 rounds)
*1 × [[10.5 cm SK C/32 naval gun|{{convert|10.5|cm|in|sp=us|abbr=on}} SK C/32]] [[deck gun]] (180 rounds)
*1 × [[3.7 cm Flak 18/36/37/43|{{convert|3.7|cm|in|abbr=on}} Flak M42]] AA gun
*1 × [[3.7 cm Flak 18/36/37/43|{{convert|3.7|cm|in|abbr=on}} Flak M42]] AA gun
*2 x twin [[2 cm FlaK 30|{{convert|2|cm|in|sp=us|abbr=on}} C/30]] AA guns
*2 x twin [[2 cm Flak 30, Flak 38 and Flakvierling 38|{{convert|2|cm|in|sp=us|abbr=on}} C/30]] AA guns
|Ship notes=
|Ship notes=
}}
}}
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|is_ship=yes
|is_ship=yes
|label=
|label=
|partof
|partof=
*[[31st U-boat Flotilla]]
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|codes=
*26 January – 31 July 1944
⚫
|commanders=''[[Kptlt.]]'' Hans Hilbig
*[[10th U-boat Flotilla]]
⚫
|operations=
*1 August – 30 September 1944
|victories=1 ship {{GRT|5458}}
*[[33rd U-boat Flotilla]]
*1 October 1944 – 5 May 1945
⚫
|codes=M 42 644
|commanders=
⚫
*''[[Kptlt.]]'' Hans Hilbig
*26 January 1944 – 5 May 1945
⚫
|operations=*1 patrol:
*a. 8 October 1944 – 13 February 1945
*b. 20 – 23 February 1945
|victories=
*1 merchant ship sunk <br/>({{GRT|5,458}})
}}
}}
|}
|}
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'''German submarine ''U-1230''''' was a [[Type IX U-boat#Type IXC/40|Type IXC/40]] [[U-boat]] of [[Nazi Germany]]'s ''[[Kriegsmarine]]'' during [[World War II]].
'''German submarine ''U-1230''''' was a [[Type IX U-boat#Type IXC/40|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 [[Ship commissioning|commissioned]] on 26 January 1944 under the command of ''[[Kapitänleutnant]]'' Hans Hilbig, it only undertook one patrol, operating from [[Karljohansvern|Horten Naval Base]], [[Norway]], returning safely to [[Kristiansand]], Norway in early 1945.
Laid down on 15 March 1943 at the [[Deutsche Werft]] in [[Hamburg]], and [[Ship commissioning|commissioned]] on 26 January 1944 under the command of ''[[Kapitänleutnant]]'' Hans Hilbig, it only undertook one patrol, operating from [[Karljohansvern|Horten Naval Base]], Norway, returning safely to [[Kristiansand]], Norway in early 1945.


==Design==
==Design==
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==Service history==
==Service history==
⚫
Its one war patrol was of historical interest less for its role in the [[Battle of the Atlantic]] (a [[Canada|Canadian]] [[Steamboat|steamer]] of 5,458 [[Gross register tonnage]] was its sole victim), than for its role in transporting two German [[spy|spies]] to the United States.

⚫
Its one war patrol was of historical interest less for its role in the [[Battle of the Atlantic]] (a [[Canada|Canadian]] [[Steamboat|steamer]] of 5,458 [[ton]]s was its sole victim), than for its role in transporting two German [[spy|spies]] to the [[United States]].


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


===Fate===
===Fate===
At the end of the war it was captured by the [[Participants in World War II#The Allies|Allies]], transferred to [[Loch Ryan]] in [[Scotland]], and destroyed by the [[Royal Navy]] [[frigate]] {{HMS|Cubitt|K512|2}} as part of "[[Operation Deadlight]]". Unusually for a U-boat, ''U-1230'' does not seem to have suffered any casualties during the war.
At the end of the war it was captured by the [[Participants in World War II#The Allies|Allies]], transferred to [[Loch Ryan]] in Scotland, and sunk on 17 December 1945 by the [[Royal Navy]] [[frigate]] {{HMS|Cubitt|K512|6}} 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 history==
==Summary of raiding history==
⚫
{| class="wikitable sortable"

⚫
{| class="wikitable"
|-
|-
! width="120px"|Date
! width="120px"|Date
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|last=Helgason
|last=Helgason
|first=Guðmundur
|first=Guðmundur
|website=German U-boats of WWII - uboat.net
|website=German U-boats of WWII – uboat.net
|accessdate=17 February 2014
|access-date=17 February 2014
}}</ref>
}}</ref>
|-
|-
|align="right"|3 December 1944
|align="right"|3 December 1944
|align="left" |[[List of shipwrecks in December 1944#3 December|''Cornwallis'']]
|align="left" |[[SS Cornwallis|''Cornwallis'']]
|align="left" |{{flag|Canada|1921}}
|align="left" |{{flag|Canada|1921}}
|align="right"|5,458
|align="right"|5,458
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==Bibliography==
==Bibliography==
{{Refbegin}}
{{Refbegin}}
*{{cite book | last1 = Busch | first1 = Rainer | last2 = Röll | first2 = Hans-Joachim | translator-last = Brooks | translator-first = Geoffrey | title = German U-boat commanders of World War II : a biographical dictionary | publisher = Greenhill Books, Naval Institute Press | location = London, Annapolis, Md | year = 1999 | isbn = 1-55750-186-6 | ref = harv}}
*{{cite book | last1 = Busch | first1 = Rainer | last2 = Röll | first2 = Hans-Joachim | translator-last = Brooks | translator-first = Geoffrey | title = German U-boat commanders of World War II : a biographical dictionary | publisher = Greenhill Books, Naval Institute Press | location = London, Annapolis, Md | year = 1999 | isbn = 1-55750-186-6 }}
*{{cite book
*{{cite book
|last1=Busch
|last1=Busch
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|title=Deutsche U-Boot-Verluste von September 1939 bis Mai 1945
|title=Deutsche U-Boot-Verluste von September 1939 bis Mai 1945
|trans-title=German U-boat losses from September 1939 to May 1945
|trans-title=German U-boat losses from September 1939 to May 1945
|work=Der U-Boot-Krieg
|series=Der U-Boot-Krieg
|volume=IV
|volume=IV
|publisher=Mittler
|publisher=Mittler
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|year=1999
|year=1999
|isbn=3-8132-0514-2
|isbn=3-8132-0514-2
|language=German
|language=de

|ref=harv
}}
}}
*{{cite book
*{{cite book
|last1=Gröner
|last1=Gröner
|first1=Erich
|first1=Erich
|author-link1=
|author-mask1=
|last2=Jung
|last2=Jung
|first2=Dieter
|first2=Dieter
|display-authors=
|last-author-amp=
|last3=Maass
|last3=Maass
|first3=Martin
|first3=Martin
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|translator-first2=Rachel
|translator-first2=Rachel
|year=1991
|year=1991
|title=U-boats and Mine Warfare Vessels
|title=German Warships 1815–1945, U-boats and Mine Warfare Vessels
|volume=2
|volume=2
|work=German Warships 1815–1945
|location=London
|location=London
|publisher=Conway Maritime Press
|publisher=Conway Maritime Press
|isbn=0-85177-593-4
|isbn=0-85177-593-4
|ref=CITEREFGröner1991
|ref=CITEREFGr.C3.B6ner1991
}}
}}


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|last=Helgason
|last=Helgason
|first=Guðmundur
|first=Guðmundur
|website=German U-boats of WWII - uboat.net
|website=German U-boats of WWII – uboat.net
|accessdate=29 December 2014
|access-date=29 December 2014
}}
}}
* [http://www.ibiblio.org/hyperwar/USN/rep/U-1230/ ibiblio.org webpage for Allied report on the interrogations of Gimpel and Colepaugh]
* [http://www.ibiblio.org/hyperwar/USN/rep/U-1230/ ibiblio.org webpage for Allied report on the interrogations of Gimpel and Colepaugh]
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{{German Type IXC/40 submarines}}
{{German Type IXC/40 submarines}}
{{December 1945 shipwrecks}}
{{December 1945 shipwrecks}}
{{Subject bar
| portal1=Military of Germany
| portal2=Submarine
| portal3=World War II
}}
⚫
{{Use dmy dates|date=February 2011}}


{{DEFAULTSORT:U1230}}
{{DEFAULTSORT:U1230}}

Latest revision as of 13:23, 4 April 2024

History
Nazi Germany
NameU-1230
Ordered14 October 1941
BuilderDeutsche Werft, Hamburg
Yard number393
Laid down15 March 1943
Launched8 November 1943
Commissioned26 January 1944
Fate
General characteristics
Class and typeType IXC/40 submarine
Displacement
  • 1,144 t (1,126 long tons) surfaced
  • 1,257 t (1,237 long tons) submerged
Length
Beam
  • 6.86 m (22 ft 6 in) o/a
  • 4.44 m (14 ft 7 in) pressure hull
Height9.60 m (31 ft 6 in)
Draught4.67 m (15 ft 4 in)
Installed power
  • 4,400 PS (3,200 kW; 4,300 bhp) (diesels)
  • 1,000 PS (740 kW; 990 shp) (electric)
Propulsion
Speed
  • 18.3 knots (33.9 km/h; 21.1 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 depth230 m (750 ft)
Complement4 officers, 44 enlisted
Armament
Service record
Part of:
Identification codes: M 42 644
Commanders:
  • Kptlt. Hans Hilbig
  • 26 January 1944 – 5 May 1945
Operations:
  • 1 patrol:
  • a. 8 October 1944 – 13 February 1945
  • b. 20 – 23 February 1945
Victories: 1 merchant ship sunk
(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 Naval Base, Norway, returning safely to Kristiansand, Norway in early 1945.

Design[edit]

German Type IXC/40 submarines were slightly larger than the original Type IXCs. U-1230 had a displacement of 1,144 tonnes (1,126 long tons) when at the surface and 1,257 tonnes (1,237 long tons) while submerged.[1] The U-boat had a total length of 76.76 m (251 ft 10 in), a pressure hull length of 58.75 m (192 ft 9 in), a beam of 6.86 m (22 ft 6 in), a height of 9.60 m (31 ft 6 in), and a draught of 4.67 m (15 ft 4 in). The submarine was powered by two MAN M 9 V 40/46 supercharged four-stroke, nine-cylinder diesel engines producing a total of 4,400 metric horsepower (3,240 kW; 4,340 shp) for use while surfaced, two Siemens-Schuckert 2 GU 345/34 double-acting electric motors producing a total of 1,000 shaft horsepower (1,010 PS; 750 kW) for use while submerged. She had two shafts and two 1.92 m (6 ft) propellers. The boat was capable of operating at depths of up to 230 metres (750 ft).[1]

The submarine had a maximum surface speed of 18.3 knots (33.9 km/h; 21.1 mph) and a maximum submerged speed of 7.3 knots (13.5 km/h; 8.4 mph).[1] When submerged, the boat could operate for 63 nautical miles (117 km; 72 mi) at 4 knots (7.4 km/h; 4.6 mph); when surfaced, she could travel 13,850 nautical miles (25,650 km; 15,940 mi) at 10 knots (19 km/h; 12 mph). U-1230 was fitted with six 53.3 cm (21 in) torpedo tubes (four fitted at the bow and two at the stern), 22 torpedoes, one 10.5 cm (4.13 in) SK C/32 naval gun, 180 rounds, and a 3.7 cm (1.5 in) Flak M42 as well as two twin 2 cm (0.79 in) C/30 anti-aircraft guns. The boat had a complement of forty-eight.[1]

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 Gross register tonnage 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 Elster ("Magpie"). 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 sunk on 17 December 1945 by the Royal Navy frigate HMS 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 history[edit]

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

References[edit]

  1. ^ a b c d Gröner 1991, p. 68.
  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). German U-boat commanders of World War II : a biographical dictionary. Translated by Brooks, Geoffrey. London, Annapolis, Md: Greenhill Books, Naval Institute Press. ISBN 1-55750-186-6.
  • Busch, Rainer; Röll, Hans-Joachim (1999). Deutsche U-Boot-Verluste von September 1939 bis Mai 1945 [German U-boat losses from September 1939 to May 1945]. Der U-Boot-Krieg (in German). Vol. IV. Hamburg, Berlin, Bonn: Mittler. ISBN 3-8132-0514-2.
  • Gröner, Erich; Jung, Dieter; Maass, Martin (1991). German Warships 1815–1945, U-boats and Mine Warfare Vessels. Vol. 2. Translated by Thomas, Keith; Magowan, Rachel. London: Conway Maritime Press. ISBN 0-85177-593-4.

External links[edit]

Retrieved from "https://en.wikipedia.org/w/index.php?title=German_submarine_U-1230&oldid=1217208543"