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{|{{Infobox ship begin}}
#REDIRECT[[German Type VII submarine#Type VIIC]]
{{Infobox ship image
{{R with possibilities}}
|Ship image=
|Ship caption=
}}

{{Infobox ship career
|Hide header=
|Ship country=[[Nazi Germany]]
|Ship flag={{shipboxflag|Nazi Germany|naval}}
|Ship name=''U-642''
|Ship ordered= 20 January 1941
|Ship builder=[[Blohm & Voss]], [[Hamburg]]
|Ship yard number= 618
|Ship laid down= 19 November 1941
|Ship launched= 6 August 1942
|Ship commissioned= 1 October 1942
|Ship fate= Sunk 5 May 1944 in the [[Mediterranean]] at the [[Military port of Toulon]] in position {{coord|43|07|N|05|55|E}}, in a US air raid.
}}

{{Infobox ship characteristics
|Hide header=
|Header caption=
|Ship type=[[German Type VII submarine#Type VIIC|Type VIIC]] [[submarine]]
|Ship displacement={{convert|769|t|LT|0}} surfaced<br>{{convert|871|t|LT|0|abbr=on}} submerged
|Ship length={{convert|67.1|m|ftin|abbr=on}} [[Length overall|o/a]]<br>{{convert|50.5|m|ftin|abbr=on}} [[pressure hull]]
|Ship beam={{convert|6.2|m|ftin|abbr=on}} o/a<br>{{convert|4.7|m|ftin|abbr=on}} pressure hull
|Ship draft= {{convert|4.74|m|ftin|abbr=on}}
|Ship propulsion=2&nbsp;×&nbsp;[[supercharged]] [[Germaniawerft]] 6-cylinder 4-stroke F46 [[diesel engine]]s, totalling {{convert|2800|-|3200|bhp|abbr=on}}. Max [[rpm]]: 470-490<br>2&nbsp;×&nbsp;[[Brown, Boveri & Cie|BBC]] GG&nbsp;UB&nbsp;720/8 [[electric motor]]s, totalling {{convert|750|shp|abbr=on}} and max rpm: 296
|Ship speed={{convert|17.7|kn|lk=in}} surfaced<br>{{convert|7.6|kn}} submerged
|Ship range={{convert|8500|nmi|km|abbr=on|lk=on}} at {{convert|10|kn|km/h|abbr=on}} surfaced<br>{{convert|80|nmi|km|abbr=on}} at {{convert|4|kn|km/h|abbr=on}} submerged
|Ship test depth={{convert|230|m|ft|abbr=on}}<br>[[Submarine depth ratings|Crush depth]]: {{convert|250|-|295|m|ft|abbr=on}}
|Ship complement=44–52 officers & ratings
|Ship armament= 5&nbsp;×&nbsp;{{convert|53.3|cm|in|0|abbr=on}} [[torpedo tube]]s (4 bow, 1 stern)<br> 14&nbsp;×&nbsp;torpedoes ''or'' 26 TMA mines<br> 1&nbsp;×&nbsp;[[8.8 cm SK C/35 naval gun|{{convert|8.8|cm|in|2|abbr=on}} deck gun]] (220 rounds)<br> Various AA guns
}}
|}
{{Service record
|is_ship=yes
|label=Service record<ref name="uboatnet">{{cite web |url=http://www.uboat.net/boats/u642.htm |title=The Type VIIC boat U-642 - German U-boats of WWII - uboat.net |publisher=www.uboat.net |accessdate=02 September 2014}}</ref>
|partof=[[5th U-boat Flotilla]]<br>(1 October 1942 - 28 February 1943) - Training<br>[[6th U-boat Flotilla]]<br>(1 March 1943 - 30 November 1943)<br>[[29th U-boat Flotilla]]<br>(1 December 1943 - 5 July 1944)
|commanders=''Kptlt'' Herbert Brünning<br>(1 October 1942 - 5 July 1944)
|operations=1st patrol:<br>20 February 1943 - 8 April 1943<br>2nd patrol:<br>4 May 1943 - 17 July 1943<br>3rd patrol:<br>11 September 1943 - 13 September 1943<br>4th patrol:<br>22 December 1943 - 23 January 1944
|victories=1 merchant ship sunk (2,125 GRT)
}}

'''German submarine ''U-642''''' was a [[German Type VIIC submarine|Type VIIC]] [[U-boat]] built for [[Nazi Germany]]'s ''[[Kriegsmarine]]'' for service during [[World War II]].
She was laid down on 19 November 1941 by [[Blohm & Voss]], [[Hamburg]] as 'werk' 618, launched on 6 August 1942 and commissioned on 1 October 1942 under ''Kptlt'' Herbert Brünning.

==Service History==
The boat's career began with training at [[5th U-boat Flotilla]] on 1 October 1942, followed by active service on 1 March 1943 as part of the [[6th U-boat Flotilla|6th Flotilla]]. She transferred for operations in the [[Mediterranean]] on 1 December 1943 to serve with [[29th U-boat Flotilla|29th Flotilla]] for the remainder of her service.

In 4 patrols she sank 1 merchant ship, for a total of {{GRT|2,125|first=yes}}.

===Wolf Packs===
''U-642'' took part in 9 wolf packs, namely
* Neuland (4 Mar 1943 – 6 Mar 1943)
* Ostmark (6 Mar 1943 – 11 Mar 1943)
* [[Wolfpack Stürmer|Stürmer]] (11 Mar 1943 – 20 Mar 1943)
* [[Wolf pack Seewolf|Seewolf]] (21 Mar 1943 – 30 Mar 1943)
* Oder (17 May 1943 – 19 May 1943)
* Mosel (19 May 1943 – 24 May 1943)
* Trutz (1 Jun 1943 – 16 Jun 1943)
* Trutz 1 (16 Jun 1943 – 29 Jun 1943)
* Geier 3 (30 Jun 1943 – 15 Jul 1943)

===Fate===
''U-642'' was sunk on 5 May 1944 in the [[Mediterranean]] at [[Military port of Toulon]] in position {{coord|43|07|N|05|55|E}}, by a US air raid.

==Summary of Raiding Career==
{| class="wikitable"
|-
! width="120px"|Date
! width="180px"|Name
! width="160px"|Nationality
! width="25px" |Tonnage<br>(GRT)
! width="80px" |Fate<ref>{{cite web|url=http://uboat.net/boats/successes/u642/html|title=U-642 successes|publisher=UBoat.net|accessdate=02 September 2014}}</ref>
|-
|align="right"|8 March 1943
|align="left" |[[List of shipwrecks in March 1943#8 March|''Leadgate'']]
|align="left" |{{flag|United Kingdom|civil}}
|align="right"|2,125
|align="left" |Sunk
|}

==See also==
* [[List of U-boats]]
* [[Mediterranean U-boat Campaign (World War II)]]

==Sources==
{{Reflist}}

==Bibliography==
* {{cite book
|last= Edwards
|first= Bernard
|title= Dönitz and the Wolf Packs - The U-boats at War
|year= 1996
|isbn= 0-304-35203-9
|pages= 169
|ref = {{sfnRef|Edwards}}
}}

* {{cite book
|last=Sharpe
|first=Peter
|title=U-Boat Fact File
|publisher=Midland Publishing
|location=Great Britain
|year=1998
|isbn=1-85780-072-9}}

==External links==
* [http://www.uboat.net/boats/u642.htm U-boat.net webpage for ''U-642'']

{{German Type VII submarines}}
{{Italic title prefixed|16}}
{{Italic title prefixed|16}}


{{DEFAULTSORT:U0642}}
[[Category:German Type VIIC submarines|U0642]]
[[Category:German Type VIIC submarines]]
[[Category:1942 ships]]
[[Category:U-boats commissioned in 1942]]
[[Category:U-boats sunk in 1944]]
[[Category:U-boats sunk by aircraft]]
[[Category:World War II shipwrecks in the Mediterranean]]
[[Category:World War II submarines of Germany]]
[[Category:Ships built in Hamburg]

Revision as of 21:43, 2 September 2014


History
Nazi Germany
NameU-642
Ordered20 January 1941
BuilderBlohm & Voss, Hamburg
Yard number618
Laid down19 November 1941
Launched6 August 1942
Commissioned1 October 1942
FateSunk 5 May 1944 in the Mediterranean at the Military port of Toulon in position 43°07′N 05°55′E / 43.117°N 5.917°E / 43.117; 5.917, in a US air raid.
General characteristics
TypeType VIIC submarine
Displacementlist error: <br /> list (help)
769 tonnes (757 long tons) surfaced
871 t (857 long tons) submerged
Lengthlist error: <br /> list (help)
67.1 m (220 ft 2 in) o/a
50.5 m (165 ft 8 in) pressure hull
Beamlist error: <br /> list (help)
6.2 m (20 ft 4 in) o/a
4.7 m (15 ft 5 in) pressure hull
Draft4.74 m (15 ft 7 in)
Propulsionlist error: <br /> list (help)
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 × BBC GG UB 720/8 electric motors, totalling 750 shp (560 kW) and max rpm: 296
Speedlist error: <br /> list (help)
17.7 knots (32.8 km/h; 20.4 mph) surfaced
7.6 knots (14.1 km/h; 8.7 mph) submerged
Rangelist error: <br /> list (help)
8,500 nmi (15,700 km) at 10 kn (19 km/h) surfaced
80 nmi (150 km) at 4 kn (7.4 km/h) submerged
Test depthlist error: <br /> list (help)
230 m (750 ft)
Crush depth: 250–295 m (820–968 ft)
Complement44–52 officers & ratings
Armamentlist error: <br /> list (help)
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[1] Part of: list error: <br /> list (help)
5th U-boat Flotilla
(1 October 1942 - 28 February 1943) - Training
6th U-boat Flotilla
(1 March 1943 - 30 November 1943)
29th U-boat Flotilla
(1 December 1943 - 5 July 1944)Commanders: list error: <br /> list (help)
Kptlt Herbert Brünning
(1 October 1942 - 5 July 1944)Operations: list error: <br /> list (help)
1st patrol:
20 February 1943 - 8 April 1943
2nd patrol:
4 May 1943 - 17 July 1943
3rd patrol:
11 September 1943 - 13 September 1943
4th patrol:
22 December 1943 - 23 January 1944Victories: 1 merchant ship sunk (2,125 GRT) German submarine U-642 was a Type VIIC U-boat built for Nazi Germany's Kriegsmarine for service during World War II. She was laid down on 19 November 1941 by Blohm & Voss, Hamburg as 'werk' 618, launched on 6 August 1942 and commissioned on 1 October 1942 under Kptlt Herbert Brünning.

Service History

The boat's career began with training at 5th U-boat Flotilla on 1 October 1942, followed by active service on 1 March 1943 as part of the 6th Flotilla. She transferred for operations in the Mediterranean on 1 December 1943 to serve with 29th Flotilla for the remainder of her service.

In 4 patrols she sank 1 merchant ship, for a total of 2,125 GRT GRT uses unsupported parameter (help).

Wolf Packs

U-642 took part in 9 wolf packs, namely

  • Neuland (4 Mar 1943 – 6 Mar 1943)
  • Ostmark (6 Mar 1943 – 11 Mar 1943)
  • Stürmer (11 Mar 1943 – 20 Mar 1943)
  • Seewolf (21 Mar 1943 – 30 Mar 1943)
  • Oder (17 May 1943 – 19 May 1943)
  • Mosel (19 May 1943 – 24 May 1943)
  • Trutz (1 Jun 1943 – 16 Jun 1943)
  • Trutz 1 (16 Jun 1943 – 29 Jun 1943)
  • Geier 3 (30 Jun 1943 – 15 Jul 1943)

Fate

U-642 was sunk on 5 May 1944 in the Mediterranean at Military port of Toulon in position 43°07′N 05°55′E / 43.117°N 5.917°E / 43.117; 5.917, by a US air raid.

Summary of Raiding Career

Date Name Nationality Tonnage
(GRT) 		Fate[2]
8 March 1943 Leadgate  United Kingdom 2,125 Sunk

See also

Sources

  1. ^ "The Type VIIC boat U-642 - German U-boats of WWII - uboat.net". www.uboat.net. Retrieved 02 September 2014. {{cite web}}: Check date values in: |accessdate= (help)
  2. ^ "U-642 successes". UBoat.net. Retrieved 02 September 2014. {{cite web}}: Check date values in: |accessdate= (help)

Bibliography

  • Edwards, Bernard (1996). Dönitz and the Wolf Packs - The U-boats at War. p. 169. ISBN 0-304-35203-9.
  • Sharpe, Peter (1998). U-Boat Fact File. Great Britain: Midland Publishing. ISBN 1-85780-072-9.

External links

Warning: Display title "German submarine<i> U-642</i>" overrides earlier display title "German submarine <i>U-642</i>" (help). [[Category:Ships built in Hamburg]

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