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SM U-24

{{Short description|German submarine of World War I}}

{{Other ships|German submarine U-24}}

{{Use dmy dates|date=July 2020}}

{{Infobox ship begin}}

{{Infobox ship image

|Ship image=U-Boot U-24 der kaiserlichen deutschen Kriegsmarine.Scan von einer alten Postkarte meine Großeltern von 1914 aus dem Nachlass.jpg

|Ship caption=

}}

{{Infobox ship career

|Hide header=

|Ship country=German Empire

|Ship flag={{Shipboxflag|German Empire|naval}}

|Ship name=U-24

|Ship ordered=18 March 1911

|Ship builder=Germaniawerft, Kiel

|Ship yard number=178

|Ship laid down=5 February 1912

|Ship launched=24 May 1913

|Ship commissioned=6 December 1913

|Ship fate=*Surrendered, 22 November 1918

  • Broken up, 1922

|Ship homeport=

}}

{{Infobox ship characteristics

|Hide header=

|Header caption=

|Ship class=German Type U 23 submarine

|Ship displacement=*{{convert|669|t|LT|abbr=on|lk=on}} surfaced

  • {{convert|864|t|LT|abbr=on}} submerged

|Ship length={{convert|64.70|m|ft|abbr=on}}

|Ship beam={{convert|6.32|m|ftin|abbr=on}}

|Ship draught={{convert|3.45|m|ftin|abbr=on}}

|Ship propulsion=*2 shafts

  • 2 × Germania 6-cylinder two stroke diesel motors with {{convert|1800|PS|kW shp
1|abbr=on}}
  • 2 × SSW double Motordynamos with {{convert|1200|PS|kW shp
    • 1|abbr=on}}
  • 450 rpm surfaced
  • 330 rpm submerged

    • |Ship speed=*{{convert|16.7|kn}} surfaced

    • {{convert|10.3|kn}} submerged

    |Ship range=*{{convert|9910|nmi|abbr=on|lk=in}} at {{convert|8|kn}} surfaced

    • {{convert|85|nmi|abbr=on}} at {{convert|5|kn}} submerged

    |Ship test depth=about {{convert|50|m|ft|abbr=on}}

    |Ship boats=1 dinghy

    |Ship complement=4 officers, 31 men

    |Ship sensors=

    |Ship EW=

    |Ship armament=*4 × {{convert|50|cm|in|1|abbr=on}} torpedo tubes (2 each bow and stern)

    |Ship motto=

    |Ship nickname=

    |Ship honours=

    |Ship notes=

    }}

    {{Infobox service record

    |is_ship=yes

    |label=

    |partof=*III Flotilla

    • 1 August 1914 – 11 August 1917
    • Training Flotilla
    • 24 August 1917 – 11 November 1918

    |commanders=*Kptlt. Rudolf Schneider{{cite Uboat.net

    |id=304

    |name=Rudolf Schneider (Royal House Order of Hohenzollern)

    |type=1comm

    |accessdate=21 December 2014

    }}

    • 6 December 1913 – 3 June 1916
    • Kptlt. Walter Remy{{cite Uboat.net

    |id=266

    |name=Walter Remy (Royal House Order of Hohenzollern)

    |type=1comm

    |accessdate=21 December 2014

    }}

    • 4 June 1916 – 10 July 1917
    • Kptlt. Otto von Schubert{{cite Uboat.net

    |id=309

    |name=Otto von Schubert

    |type=1comm

    |accessdate=21 December 2014

    }}

    • 11 July – 1 August 1917

    |operations=7 patrols

    |victories=*33 merchant ships sunk
    ({{GRT|105,948}})

    • 1 warship sunk
      (15,000 tons)
    • 1 auxiliary warship sunk
      ({{GRT|174}})
    • 3 merchant ships damaged
      ({{GRT|14,318}})
    • 1 merchant ship taken as prize
      ({{GRT|1,925}})

    }}

    SM U-24 was one of 329 submarines serving in the Imperial German Navy in World War I. She was engaged in commerce warfare during the First Battle of the Atlantic.

    In seven patrols, U-24 sank a total of 33 merchant ships and 1 auxiliary warship totalling {{GRT|106,122}} and one warship for 15,000 tons, damaged three merchant ships for 14,318 GRT, and took one merchant ship as prize of 1,925 GRT.{{cite Uboat.net

    |id=24

    |name=U 24

    |type=1sub

    |accessdate=4 November 2012

    }}

    Her second kill was the most significant. The victim was {{HMS|Formidable|1898|6}}, torpedoed {{convert|30|nmi}} south of Lyme Regis, at {{coord|50|13|N|03|04|W}}. She was hit in the number one boiler room on the port side. Out of a crew of approximately 711 men, 547 died as a result. This was one of the largest ships sunk by U-boats during the war.{{cite web |url= http://www.historyofwar.org/articles/weapons_HMS_Formidable.html |title=HMS Formidable |first=J. |last=Rickard |work=historyofwar.org |date=1 November 2007|accessdate=4 November 2012}}

    In 1915, U-24 claimed another noted victim, the passenger steamer {{SS|Arabic|1902|2}}, causing 44 deaths, including three Americans. Arabic sank in 10 minutes. This escalated the U-boat fear in the U.S. and caused a diplomatic incident which resulted in the suspension of torpedoing non-military ships without notice.{{cite web

    |url= http://www.uboat.net/history/wwi/part3.htm

    |title=3. Escalation - The U-boat War in World War One

    |last=Helgason

    |first=Guðmundur

    |website=German and Austrian U-Boats of World War I - Kaiserliche Marine - Uboat.net

    |accessdate=4 November 2012

    }}

    Summary of raiding history

    class="wikitable sortable"
    width="140px"|Date

    ! width="160px"|Name

    ! width="160px"|Nationality

    ! width="25px" |TonnageMerchant ship tonnages are in gross register tons. Military vessels are listed by tons displacement.

    ! width="180px"|Fate{{cite Uboat.net

    |id=u24

    |name=U 24

    |type=1boat

    |accessdate=21 December 2014

    }}

    align="right"|26 October 1914

    |align="left" |Amiral Ganteaume

    |align="left" |{{flagcountry|France}}

    |align="right"|4,590

    |align="left" |Damaged

    align="right"|1 January 1915

    |align="left" |{{HMS|Formidable|1898|6}}

    |align="left" |{{navy|United Kingdom}}

    |align="right"|15,000

    |align="left" |Sunk

    align="right"|2 April 1915

    |align="left" |Lochwood

    |align="left" |{{flagcountry|United Kingdom|civil}}

    |align="right"|2,042

    |align="left" |Sunk

    align="right"|4 April 1915

    |align="left" |City of Bremen

    |align="left" |{{flagcountry|United Kingdom|civil}}

    |align="right"|1,258

    |align="left" |Sunk

    align="right"|10 April 1915

    |align="left" |The President

    |align="left" |{{flagcountry|United Kingdom|civil}}

    |align="right"|647

    |align="left" |Sunk

    align="right"|11 April 1915

    |align="left" |Frederic Franck

    |align="left" |{{flagcountry|France}}

    |align="right"|973

    |align="left" |Damaged

    align="right"|27 June 1915

    |align="left" |Edith

    |align="left" |{{flagcountry|United Kingdom|civil}}

    |align="right"|97

    |align="left" |Sunk

    align="right"|27 June 1915

    |align="left" |Indrani

    |align="left" |{{flagcountry|United Kingdom|civil}}

    |align="right"|3,640

    |align="left" |Sunk

    align="right"|27 June 1915

    |align="left" |Lucena

    |align="left" |{{flagcountry|United Kingdom|civil}}

    |align="right"|243

    |align="left" |Sunk

    align="right"|28 June 1915

    |align="left" |Dumfriesshire

    |align="left" |{{flagcountry|United Kingdom|civil}}

    |align="right"|2,622

    |align="left" |Sunk

    align="right"|28 June 1915

    |align="left" |{{SS|Armenian

    		2}}

    |align="left" |{{flagcountry|United Kingdom|civil}}

    |align="right"|8,825

    |align="left" |Sunk

    align="right"|30 June 1915

    |align="left" |Scottish Monarch

    |align="left" |{{flagcountry|United Kingdom|civil}}

    |align="right"|5,043

    |align="left" |Sunk

    align="right"|30 June 1915

    |align="left" |Thistlebank

    |align="left" |{{flagcountry|Norway}}

    |align="right"|2,411

    |align="left" |Sunk

    align="right"|1 July 1915

    |align="left" |L. C. Tower

    |align="left" |{{flagcountry|United Kingdom|civil}}

    |align="right"|518

    |align="left" |Sunk

    align="right"|1 July 1915

    |align="left" |Sardomene

    |align="left" |{{flagcountry|Kingdom of Italy|civil}}

    |align="right"|2,000

    |align="left" |Sunk

    align="right"|1 July 1915

    |align="left" |Welbury

    |align="left" |{{flagcountry|United Kingdom|civil}}

    |align="right"|3,591

    |align="left" |Sunk

    align="right"|6 July 1915

    |align="left" |Ellen

    |align="left" |{{flagcountry|Denmark}}

    |align="right"|169

    |align="left" |Sunk

    align="right"|7 August 1915

    |align="left" |Geiranger

    |align="left" |{{flagcountry|Norway}}

    |align="right"|1,081

    |align="left" |Sunk

    align="right"|12 August 1915

    |align="left" |Osprey

    |align="left" |{{flagcountry|United Kingdom|civil}}

    |align="right"|310

    |align="left" |Sunk

    align="right"|13 August 1915

    |align="left" |Cairo

    |align="left" |{{flagcountry|United Kingdom|civil}}

    |align="right"|1,671

    |align="left" |Sunk

    align="right"|19 August 1915

    |align="left" |{{SS|Arabic|1902|2}}

    |align="left" |{{flagcountry|United Kingdom|civil}}

    |align="right"|15,801

    |align="left" |Sunk

    align="right"|19 August 1915

    |align="left" |Dunsley

    |align="left" |{{flagcountry|United Kingdom|civil}}

    |align="right"|4,930

    |align="left" |Sunk

    align="right"|19 August 1915

    |align="left" |New York City

    |align="left" |{{flagcountry|United Kingdom|civil}}

    |align="right"|2,970

    |align="left" |Sunk

    align="right"|19 August 1915

    |align="left" |St. Olaf

    |align="left" |{{flagcountry|United Kingdom|civil}}

    |align="right"|277

    |align="left" |Sunk

    align="right"|24 August 1915

    |align="left" |Sinsen

    |align="left" |{{flagcountry|Norway}}

    |align="right"|1,925

    |align="left" |Captured as prize

    align="right"|25 December 1915

    |align="left" |Van Stirum

    |align="left" |{{flagcountry|United Kingdom|civil}}

    |align="right"|3,284

    |align="left" |Sunk

    align="right"|26 December 1915

    |align="left" |Cottingham

    |align="left" |{{flagcountry|United Kingdom|civil}}

    |align="right"|513

    |align="left" |Sunk

    align="right"|26 December 1915

    |align="left" |Ministre Bernaert

    |align="left" |{{flagcountry|Belgium}}

    |align="right"|4,215

    |align="left" |Sunk

    align="right"|28 December 1915

    |align="left" |Huronian

    |align="left" |{{flagcountry|United Kingdom|civil}}

    |align="right"|8,755

    |align="left" |Damaged

    align="right"|28 December 1915

    |align="left" |El Zorro

    |align="left" |{{flagcountry|United Kingdom|civil}}

    |align="right"|5,989

    |align="left" |Sunk

    align="right"|11 July 1916

    |align="left" |HMT Nellie Nutten

    |align="left" |{{navy|United Kingdom}}

    |align="right"|174

    |align="left" |Sunk

    align="right"|30 October 1916

    |align="left" |Nellie Bruce

    |align="left" |{{flagcountry|United Kingdom|civil}}

    |align="right"|192

    |align="left" |Sunk

    align="right"|10 December 1916

    |align="left" |Agder

    |align="left" |{{flagcountry|Norway}}

    |align="right"|305

    |align="left" |Sunk

    align="right"|21 March 1917

    |align="left" |Stanley

    |align="left" |{{flagcountry|United Kingdom|civil}}

    |align="right"|3,987

    |align="left" |Sunk

    align="right"|22 March 1917

    |align="left" |Svendsholm

    |align="left" |{{flagcountry|Norway}}

    |align="right"|1,998

    |align="left" |Sunk

    align="right"|27 March 1917

    |align="left" |Glenogle

    |align="left" |{{flagcountry|United Kingdom|civil}}

    |align="right"|7,682

    |align="left" |Sunk

    align="right"|28 March 1917

    |align="left" |Cannizaro

    |align="left" |{{flagcountry|United Kingdom|civil}}

    |align="right"|6,133

    |align="left" |Sunk

    align="right"|18 June 1917

    |align="left" |Elele

    |align="left" |{{flagcountry|United Kingdom|civil}}

    |align="right"|6,557

    |align="left" |Sunk

    align="right"|18 June 1917

    |align="left" |English Monarch

    |align="left" |{{flagcountry|United Kingdom|civil}}

    |align="right"|4,947

    |align="left" |Sunk

    References

    =Notes=

    {{Reflist|group=Note}}

    =Citations=

    {{Reflist}}

    =Further reading=

    • {{cite book

    |last1=Gröner

    |first1=Erich

    |last2=Jung

    |first2=Dieter

    |last3=Maass

    |first3=Martin

    |translator-last1=Thomas

    |translator-first1=Keith

    |translator-last2=Magowan

    |translator-first2=Rachel

    |year=1991

    |title=U-boats and Mine Warfare Vessels

    |volume=2

    |series=German Warships 1815–1945

    |location=London

    |publisher=Conway Maritime Press

    |isbn=0-85177-593-4

    |ref=CITEREFGröner1991

    }}

    {{U-23 class submarines}}

    {{DEFAULTSORT:U0024}}

    Category:World War I submarines of Germany

    Category:1913 ships

    Category:Ships built in Kiel

    Category:U-boats commissioned in 1913

    Category:Type U 23 submarines