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SM UC-46

{{other ships|German submarine U-46}}

{{Use dmy dates|date=March 2017}}

{{Infobox ship begin}}

{{Infobox ship image

|Ship image=

|Ship caption=

}}

{{Infobox ship career

|Ship country=German Empire

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

|Ship class=

|Ship name=UC-46

|Ship ordered=20 November 1915{{cite Uboat.net

|name=UC 46

|id=UC+46

|type=1sub

|accessdate=23 February 2009

}}

|Ship builder=AG Weser, BremenTarrant, p. 173.

|Ship yard number=256

|Ship laid down=1 February 1916

|Ship launched=8 August 1916

|Ship commissioned=15 September 1916

|Ship decommissioned=

|Ship struck=

|Ship fate=Rammed by {{HMS|Liberty|1913|6}} southeast of Goodwin Sands, 8 February 1917

|Ship notes=

}}

{{Infobox ship characteristics

|Header caption={{sfn|Gröner|1991|pp=31-32}}

|Ship class=Type UC II submarine

|Ship displacement=

  • {{convert|420|t|LT|abbr=on|lk=on}}, surfaced
  • {{convert|502|t|LT|abbr=on}}, submerged

|Ship length=

  • {{convert|51.85|m|ftin|abbr=on}} o/a
  • {{convert|39.70|m|ftin|abbr=on}} pressure hull

|Ship beam=

  • {{convert|5.22|m|ftin|abbr=on}} o/a
  • {{convert|3.65|m|ft|0|abbr=on}} pressure hull

|Ship draught={{convert|3.67|m|ftin|abbr=on}}

|Ship propulsion=

|Ship speed=

  • {{convert|11.7|kn}}, surfaced
  • {{convert|6.74|kn}}, submerged

|Ship range=

  • {{convert|7,280|nmi|abbr=on|lk=in}} at {{convert|7|kn}} surfaced
  • {{convert|54|nmi|abbr=on}} at {{convert|4|kn}} submerged

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

|Ship complement=26

|Ship armament=

|Ship notes=30-second diving time

}}

{{Infobox service record

|is_ship=yes

|is_multi=yes

|partof=*Flandern Flotilla

  • 29 November 1916 – 8 February 1917

|commanders=*Oblt.z.S. Friedrich Moecke{{cite Uboat.net

|id=209

|name=Friedrich Moecke

|type=1comm

|accessdate=24 February 2015

}}

  • 15 September 1916 – 8 February 1917

|operations=4 patrols

|victories=

  • 9 merchant ships sunk
    ({{GRT|10,346}})
  • 1 auxiliary warship sunk
    ({{GRT|275}})
  • 3 merchant ships damaged
    ({{GRT|18,836}})

}}

SM UC-46 was a German Type UC II minelaying submarine or U-boat in the German Imperial Navy ({{langx|de|Kaiserliche Marine}}) during World War I. The U-boat was ordered on 20 November 1915, laid down on 1 February 1916, and was launched on 8 August 1916. She was commissioned into the German Imperial Navy on 15 September 1916 as SM UC-46."SM" stands for "Seiner Majestät" ({{langx|en|His Majesty's}}) and combined with the U for Unterseeboot would be translated as His Majesty's Submarine. In four patrols UC-46 was credited with sinking 10 ships, either by torpedo or by mines laid. UC-46 was rammed and sunk southeast of Goodwin Sands by the British destroyer {{HMS|Liberty|1913|6}} on 8 February 1917.

Design

A Type UC II submarine, UC-46 had a displacement of {{convert|420|t|LT}} when at the surface and {{convert|502|t|LT}} while submerged. She had a length overall of {{convert|51.85|m|ftin|abbr=on}}, a beam of {{convert|5.22|m|ftin|abbr=on}}, and a draught of {{convert|3.68|m|ftin|abbr=on}}. The submarine was powered by two six-cylinder four-stroke diesel engines each producing {{convert|300|PS|kW shp}} (a total of {{convert|600|PS|kW shp}}), two electric motors producing {{convert|460|PS|kW shp}}, and two propeller shafts. She had a dive time of 48 seconds and was capable of operating at a depth of {{convert|50|m}}.{{sfn|Gröner|1991|pp=31-32}}

The submarine had a maximum surface speed of {{convert|11.7|kn}} and a submerged speed of {{convert|6.7 to 7.4|kn}}. When submerged, she could operate for {{convert|54|nmi}} at {{convert|4|kn}}; when surfaced, she could travel {{convert|7280|nmi}} at {{convert|7|kn}}. UC-46 was fitted with six {{convert|100|cm}} mine tubes, eighteen UC 200 mines, three {{convert|50|cm}} torpedo tubes (one on the stern and two on the bow), seven torpedoes, and one 8.8 cm SK L/30 naval gun deck gun. Her complement was twenty-six crew members.{{sfn|Gröner|1991|pp=31-32}}

Summary of raiding history

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

! width="140px"|Name

! width="160px"|Nationality

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

! width="120px"|Fate{{cite Uboat.net

|id=uc46

|name=UC 46

|type=1boat

|accessdate=24 February 2015

}}

align="right"|21 December 1916

|align="left" |Modig

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

|align="right"|1,704

|align="left" |Sunk

align="right"|23 December 1916

|align="left" |William Middleton

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

|align="right"|2,543

|align="left" |Damaged

align="right"|24 December 1916

|align="left" |Paul Paix

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

|align="right"|4,196

|align="left" |Damaged

align="right"|26 December 1916

|align="left" |Agnes

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

|align="right"|99

|align="left" |Sunk

align="right"|26 December 1916

|align="left" |Neptune

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

|align="right"|199

|align="left" |Sunk

align="right"|26 December 1916

|align="left" |Saint Louis

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

|align="right"|184

|align="left" |Sunk

align="right"|30 December 1916

|align="left" |Sappho

|align="left" |{{flag|Greece|old}}

|align="right"|2,087

|align="left" |Sunk

align="right"|1 January 1917

|align="left" |Goosebridge

|align="left" |{{flag|Sweden}}

|align="right"|1,886

|align="left" |Sunk

align="right"|1 February 1917

|align="left" |Gamma

|align="left" |{{flag|Netherlands}}

|align="right"|2,115

|align="left" |Sunk

align="right"|2 February 1917

|align="left" |Isle of Arran

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

|align="right"|1,918

|align="left" |Sunk

align="right"|4 February 1917

|align="left" |Marthe

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

|align="right"|154

|align="left" |Sunk

align="right"|5 February 1917

|align="left" |{{SS|Argyllshire

2}}

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

|align="right"|12,097

|align="left" |Damaged

align="right"|6 February 1917

|align="left" |HMT Longset

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

|align="right"|275

|align="left" |Sunk

References

=Notes=

{{Reflist|group=Note}}

=Citations=

{{Reflist|colwidth=30em}}

=Bibliography=

{{refbegin}}

  • {{cite book

|first=Harald

|last=Bendert

|title=Die UC-Boote der Kaiserlichen Marine 1914-1918. Minenkrieg mit U-Booten

|publisher=Mittler

|year=2001

|location=Hamburg, Berlin, Bonn

|isbn=3-8132-0758-7

|language=German

}}

  • {{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

}}

  • {{cite book | editor1-last=Gardiner | editor1-first=Robert | editor2-last=Gray | editor2-first=Randal | title = Conway's All the World's Fighting Ships 1906–1921 | location = Annapolis, Maryland | publisher = Naval Institute Press | year = 1985 | isbn = 978-0-87021-907-8 | oclc = 12119866 }}
  • {{cite book | last = Tarrant | first = V. E. | title = The U-Boat Offensive: 1914–1945 | location = Annapolis, Maryland | publisher = Naval Institute Press | year = 1989 | isbn = 978-0-87021-764-7 | oclc = 20338385 }}

{{Refend}}

{{German Type UC II submarines}}

{{February 1917 shipwrecks}}

{{DEFAULTSORT:Uc046}}

Category:Ships built in Hamburg

Category:German Type UC II submarines

Category:U-boats commissioned in 1916

Category:Maritime incidents in 1917

Category:U-boats sunk by British warships

Category:U-boats sunk in 1917

Category:World War I minelayers of Germany

Category:World War I shipwrecks in the English Channel

Category:World War I submarines of Germany

Category:1916 ships

Category:Submarines lost with all hands

Category:U-boats sunk in collisions