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SM UC-27

{{other ships|German submarine U-27}}

{{Infobox ship begin}}

{{Infobox ship image

|Ship image=

|Ship caption=

}}

{{Infobox ship career

|Ship country=German Empire

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

|Ship name=UC-27

|Ship ordered=29 August 1915{{cite Uboat.net

|name=UC 27

|id=UC+27

|type=1sub

|accessdate=8 July 2015

}}

|Ship builder=AG Vulcan, HamburgTarrant, p. 173.

|Ship yard number=66

|Ship laid down=

|Ship launched=28 June 1916

|Ship commissioned=25 July 1916

|Ship decommissioned=

|Ship struck=

|Ship fate=Surrendered, 3 February 1919; broken up, July 1921

|Ship notes=

}}

{{Infobox ship characteristics

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

|Ship class=Type UC II submarine

|Ship displacement=*{{convert|400|t|LT|abbr=on|lk=on}}, surfaced

  • {{convert|480|t|LT|abbr=on}}, submerged

|Ship length=

  • {{convert|49.45|m|ftin|abbr=on}} o/a
  • {{convert|39.30|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|3.68|m|ftin|abbr=on}}

|Ship propulsion=

|Ship speed=

  • {{convert|11.6|kn}}, surfaced
  • {{convert|6.6|kn}}, submerged

|Ship range=

  • {{convert|9,260|nmi|abbr=on|lk=in}} at {{convert|7|kn}}, surfaced
  • {{convert|53|nmi|abbr=on}} at {{convert|4|kn}}, submerged

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

|Ship complement=26

|Ship armament=

|Ship notes=48-second diving time

}}

{{Infobox service record

|is_ship = yes

|label = Service record

|partof =*Baltic Flotilla

  • 15 September 1916 – 30 April 1917
  • Pola / Mittelmeer / Mittelmeer II Flotilla
  • 30 April 1917 - 11 November 1918

|commanders =*Oblt.z.S. Karl Vesper

  • 25 July 1916 – 7 February 1917
  • Kptlt. Gerhard Schulz
  • 8 February – 27 November 1917
  • Kptlt. Wilhelm Canaris
  • 28 November 1917 – 14 January 1918
  • Oblt.z.S. Otto Gerke
  • 15 January – 29 November 1918

|operations = 14 patrols

|victories =*55 merchant ships sunk
({{GRT|75,451}})

  • 3 warships sunk
    (830 tons)
  • 2 warships damaged
    (16,804 tons)

}}

SM UC-27 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 29 August 1915 and was launched on 28 June 1916. She was commissioned into the German Imperial Navy on 25 July 1916 as SM UC-27."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 14 patrols, UC-27 was credited with sinking 58 ships, either by torpedo or by mines laid.

SS Skifted left from Mariehamn at 8:30 o'clock 14 December 1916, carrying 56 military persons, 7 workers, 15 members of the crew, and 13 civilians, a total of 91 persons. One hour later it was hit by the sea mines laid by the UC-27 and sank soon near Ledsun on the territory of the Lemland municipality of Åland. 86 persons died.[http://www.turkusteamers.com/ulkomaanliikenne/skiftet/laiva.html laiva]

UC-27 was surrendered to France on 3 February 1919 and was broken up at Landerneau in July 1921.

Design

A Type UC II submarine, UC-27 had a displacement of {{convert|400|t|LT}} when at the surface and {{convert|480|t|LT}} while submerged. She had a length overall of {{convert|49.45|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|250|PS|kW shp}} (a total of {{convert|500|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|11.6|kn}} and a submerged speed of {{convert|6.6|kn}}. When submerged, she could operate for {{convert|53|nmi}} at {{convert|4|kn}}; when surfaced, she could travel {{convert|9260|nmi}} at {{convert|7|kn}}. UC-27 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="180px"|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=uc27

|name=UC 27

|type=1boat

|accessdate=7 December 2014

}}

align="right"|28 October 1916

|align="left" |Kazanets

|align="left" |{{navy|Russian Empire}}

|align="right"|580

|align="left" |Sunk

align="right"|7 November 1916

|align="left" |Letun

|align="left" |{{navy|Russian Empire}}

|align="right"|1,260

|align="left" |Damaged

align="right"|19 November 1916

|align="left" |{{ship|Russian cruiser|Rurik|1906|2}}

|align="left" |{{navy|Russian Empire}}

|align="right"|15,544

|align="left" |Damaged

align="right"|22 November 1916

|align="left" |Fugas

|align="left" |{{navy|Russian Empire}}

|align="right"|150

|align="left" |Sunk

align="right"|18 December 1916

|align="left" |Buki

|align="left" |{{navy|Russian Empire}}

|align="right"|4,499

|align="left" |Sunk

align="right"|21 December 1916

|align="left" |Skiftet

|align="left" |{{flag|Russian Empire}}

|align="right"|336

|align="left" |Sunk

align="right"|6 April 1917

|align="left" |Narberth Castle

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

|align="right"|168

|align="left" |Sunk

align="right"|6 April 1917

|align="left" |Nestor

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

|align="right"|176

|align="left" |Sunk

align="right"|12 April 1917

|align="left" |Ernst Sophie

|align="left" |{{flag|Russian Empire}}

|align="right"|222

|align="left" |Sunk

align="right"|13 April 1917

|align="left" |Kariba

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

|align="right"|3,697

|align="left" |Sunk

align="right"|15 April 1917

|align="left" |Gretaston

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

|align="right"|3,395

|align="left" |Sunk

align="right"|18 April 1917

|align="left" |Thomas

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

|align="right"|132

|align="left" |Sunk

align="right"|26 April 1917

|align="left" |Augusta

|align="left" |{{flag|Kingdom of Italy}}

|align="right"|686

|align="left" |Sunk

align="right"|26 April 1917

|align="left" |Gennarino

|align="left" |{{flag|Kingdom of Italy}}

|align="right"|248

|align="left" |Sunk

align="right"|16 June 1917

|align="left" |Emsli

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

|align="right"|31

|align="left" |Sunk

align="right"|16 June 1917

|align="left" |Kamouma

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

|align="right"|18

|align="left" |Sunk

align="right"|16 June 1917

|align="left" |Kibira

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

|align="right"|8

|align="left" |Sunk

align="right"|16 June 1917

|align="left" |Liberte

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

|align="right"|12

|align="left" |Sunk

align="right"|16 June 1917

|align="left" |Metlaoni

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

|align="right"|30

|align="left" |Sunk

align="right"|17 June 1917

|align="left" |Argentina

|align="left" |{{flag|Kingdom of Italy}}

|align="right"|41

|align="left" |Sunk

align="right"|17 June 1917

|align="left" |Bell Angelina

|align="left" |{{flag|Kingdom of Italy}}

|align="right"|14

|align="left" |Sunk

align="right"|17 June 1917

|align="left" |Giuseppe S.

|align="left" |{{flag|Kingdom of Italy}}

|align="right"|20

|align="left" |Sunk

align="right"|17 June 1917

|align="left" |Luigina

|align="left" |{{flag|Kingdom of Italy}}

|align="right"|19

|align="left" |Sunk

align="right"|17 June 1917

|align="left" |San Antonio V

|align="left" |{{flag|Kingdom of Italy}}

|align="right"|23

|align="left" |Sunk

align="right"|18 June 1917

|align="left" |Bettina

|align="left" |{{flag|Kingdom of Italy}}

|align="right"|140

|align="left" |Sunk

align="right"|18 June 1917

|align="left" |Bianca B.

|align="left" |{{flag|Kingdom of Italy}}

|align="right"|329

|align="left" |Sunk

align="right"|18 June 1917

|align="left" |Letizia C.

|align="left" |{{flag|Kingdom of Italy}}

|align="right"|136

|align="left" |Sunk

align="right"|18 June 1917

|align="left" |Marietta B.

|align="left" |{{flag|Kingdom of Italy}}

|align="right"|53

|align="left" |Sunk

align="right"|18 June 1917

|align="left" |Paolina Aida

|align="left" |{{flag|Kingdom of Italy}}

|align="right"|250

|align="left" |Sunk

align="right"|19 June 1917

|align="left" |Amalia

|align="left" |{{flag|Kingdom of Italy}}

|align="right"|22

|align="left" |Sunk

align="right"|19 June 1917

|align="left" |Antonio Balbi

|align="left" |{{flag|Kingdom of Italy}}

|align="right"|25

|align="left" |Sunk

align="right"|19 June 1917

|align="left" |Domenica Madre

|align="left" |{{flag|Kingdom of Italy}}

|align="right"|51

|align="left" |Sunk

align="right"|19 June 1917

|align="left" |La Michelina

|align="left" |{{flag|Kingdom of Italy}}

|align="right"|34

|align="left" |Sunk

align="right"|19 June 1917

|align="left" |Mistica Rosa

|align="left" |{{flag|Kingdom of Italy}}

|align="right"|31

|align="left" |Sunk

align="right"|19 June 1917

|align="left" |Raffaelo

|align="left" |{{flag|Kingdom of Italy}}

|align="right"|24

|align="left" |Sunk

align="right"|19 June 1917

|align="left" |Rosinella

|align="left" |{{flag|Kingdom of Italy}}

|align="right"|27

|align="left" |Sunk

align="right"|19 June 1917

|align="left" |S. Vincenzo Ferrari P.

|align="left" |{{flag|Kingdom of Italy}}

|align="right"|52

|align="left" |Sunk

align="right"|19 June 1917

|align="left" |San Antonio

|align="left" |{{flag|Kingdom of Italy}}

|align="right"|28

|align="left" |Sunk

align="right"|19 June 1917

|align="left" |San Giovanni Battista

|align="left" |{{flag|Kingdom of Italy}}

|align="right"|32

|align="left" |Sunk

align="right"|20 June 1917

|align="left" |Ruperra

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

|align="right"|4,232

|align="left" |Sunk

align="right"|23 June 1917

|align="left" |Jules

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

|align="right"|49

|align="left" |Sunk

align="right"|26 July 1917

|align="left" |Mooltan

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

|align="right"|9,621

|align="left" |Sunk

align="right"|6 August 1917

|align="left" |El Kaddra Nr. 53

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

|align="right"|20

|align="left" |Sunk

align="right"|7 August 1917

|align="left" |Esemplare

|align="left" |{{flag|Kingdom of Italy}}

|align="right"|999

|align="left" |Sunk

align="right"|12 September 1917

|align="left" |Gibraltar

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

|align="right"|3,803

|align="left" |Sunk

align="right"|16 September 1917

|align="left" |Annina Capano

|align="left" |{{flag|Kingdom of Italy}}

|align="right"|250

|align="left" |Sunk

align="right"|17 September 1917

|align="left" |Eugenio D.

|align="left" |{{flag|Kingdom of Italy}}

|align="right"|99

|align="left" |Sunk

align="right"|17 September 1917

|align="left" |Muccio

|align="left" |{{flag|Kingdom of Italy}}

|align="right"|137

|align="left" |Sunk

align="right"|23 September 1917

|align="left" |Joaquina

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

|align="right"|69

|align="left" |Sunk

align="right"|23 September 1917

|align="left" |Medie

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

|align="right"|4,770

|align="left" |Sunk

align="right"|26 February 1918

|align="left" |Maltby

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

|align="right"|3,977

|align="left" |Sunk

align="right"|27 February 1918

|align="left" |Machaon

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

|align="right"|6,738

|align="left" |Sunk

align="right"|28 February 1918

|align="left" |Savoyarde

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

|align="right"|30

|align="left" |Sunk

align="right"|4 March 1918

|align="left" |Clan Macpherson

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

|align="right"|4,779

|align="left" |Sunk

align="right"|8 March 1918

|align="left" |Ayr

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

|align="right"|3,050

|align="left" |Sunk

align="right"|1 May 1918

|align="left" |Matiana

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

|align="right"|5,313

|align="left" |Sunk

align="right"|13 August 1918

|align="left" |La Chaussade

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

|align="right"|4,494

|align="left" |Sunk

align="right"|23 August 1918

|align="left" |Australian Transport

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

|align="right"|4,784

|align="left" |Sunk

align="right"|25 August 1918

|align="left" |Willingtonia

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

|align="right"|3,228

|align="left" |Sunk

align="right"|22 January 1919

|align="left" |Torpilleur 325

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

|align="right"|100

|align="left" |Sunk

Notes

{{Reflist|group=Note}}

References

{{reflist}}

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}}

{{DEFAULTSORT:Uc027}}

Category:Ships built in Hamburg

Category:German Type UC II submarines

Category:U-boats commissioned in 1916

Category:World War I minelayers of Germany

Category:World War I submarines of Germany

Category:1916 ships