SM UC-33

{{other ships|German submarine U-33}}

{{Use dmy dates|date=April 2022}}

{{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-33

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

|name=UC 33

|id=UC+33

|type=1sub

|accessdate=22 February 2009

}}

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

|Ship yard number=72

|Ship laid down=

|Ship launched=26 August 1916

|Ship commissioned=25 September 1916

|Ship decommissioned=

|Ship struck=

|Ship fate=Shelled and rammed, 26 September 1917

|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|6.7|kn}}, submerged

|Ship range=

  • {{convert|10,040|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

|is_multi=yes

|partof=*I Flotilla

  • 16 December 1916 – 26 September 1917

|commanders=*Kptlt. Martin Schelle{{cite Uboat.net

|id=290

|name=Martin Schelle

|type=1comm

|accessdate=16 February 2015}}

  • 25 September 1916 – 19 July 1917
  • Oblt.z.S. Alfred Arnold{{cite Uboat.net

|id=11

|name=Alfred Arnold

|type=1comm

|accessdate=16 February 2015}}

  • 20 July – 26 September 1917

|operations=7 patrols

|victories=

  • 31 merchant ships sunk
    ({{GRT|19,628}})
  • 1 warship sunk
    (370 tons)
  • 4 auxiliary warships sunk
    ({{GRT|997}})
  • 1 merchant ship damaged
    ({{GRT|6,430}})

}}

SM UC-33 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 26 August 1916. She was commissioned into the German Imperial Navy on 25 September 1916 as SM UC-33."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 seven patrols UC-33 was credited with sinking 36 ships, either by torpedo or by mines laid. UC-33 was shelled and then rammed by patrol boat PC61 captained by Frank Worsley at position {{coord|51|55|N|6|14|W|display=inline,title}} in St. George's Channel on 26 September 1917.

Design

A Type UC II submarine, UC-33 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|6.7|kn}}. When submerged, she could operate for {{convert|53|nmi}} at {{convert|4|kn}}; when surfaced, she could travel {{convert|10040|nmi}} at {{convert|7|kn}}. UC-33 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.

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="160px"|Fate{{cite Uboat.net

|id=uc33

|name=UC 33

|type=1boat

|accessdate=16 February 2015

}}

align="right"|8 February 1917

|align="left" |Derika

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

|align="right"|153

|align="left" |Sunk

align="right"|14 February 1917

|align="left" |Eudora

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

|align="right"|1,991

|align="left" |Sunk

align="right"|18 February 1917

|align="left" |HMT Clifton

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

|align="right"|242

|align="left" |Sunk

align="right"|24 February 1917

|align="left" |HMY Verona

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

|align="right"|437

|align="left" |Sunk

align="right"|14 April 1917

|align="left" |Hermione

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

|align="right"|4,011

|align="left" |Sunk

align="right"|20 April 1917

|align="left" |HMT Loch Eye

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

|align="right"|225

|align="left" |Sunk

align="right"|21 April 1917

|align="left" |Jedburgh

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

|align="right"|165

|align="left" |Sunk

align="right"|21 April 1917

|align="left" |Yeovil

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

|align="right"|164

|align="left" |Sunk

align="right"|5 May 1917

|align="left" |Lodes

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

|align="right"|396

|align="left" |Sunk

align="right"|23 May 1917

|align="left" |Beinir

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

|align="right"|73

|align="left" |Sunk

align="right"|23 May 1917

|align="left" |Britannia

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

|align="right"|69

|align="left" |Sunk

align="right"|23 May 1917

|align="left" |Else

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

|align="right"|78

|align="left" |Sunk

align="right"|23 May 1917

|align="left" |Margrethe

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

|align="right"|104

|align="left" |Sunk

align="right"|23 May 1917

|align="left" |Olearia

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

|align="right"|209

|align="left" |Sunk

align="right"|23 May 1917

|align="left" |Sisapon

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

|align="right"|211

|align="left" |Sunk

align="right"|23 May 1917

|align="left" |Streymoy

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

|align="right"|81

|align="left" |Sunk

align="right"|24 May 1917

|align="left" |Brestir

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

|align="right"|69

|align="left" |Sunk

align="right"|24 May 1917

|align="left" |Isabella Innes

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

|align="right"|37

|align="left" |Sunk

align="right"|24 May 1917

|align="left" |Traveller

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

|align="right"|76

|align="left" |Sunk

align="right"|25 May 1917

|align="left" |A. H. Friis

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

|align="right"|110

|align="left" |Sunk

align="right"|25 May 1917

|align="left" |Glyg

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

|align="right"|358

|align="left" |Sunk

align="right"|25 May 1917

|align="left" |Whinlatter

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

|align="right"|1,378

|align="left" |Sunk

align="right"|28 June 1917

|align="left" |Corona

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

|align="right"|48

|align="left" |Sunk

align="right"|29 June 1917

|align="left" |Gem

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

|align="right"|79

|align="left" |Sunk

align="right"|29 June 1917

|align="left" |Manx Princess

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

|align="right"|87

|align="left" |Sunk

align="right"|30 June 1917

|align="left" |{{HMS|Cheerful|1897|6}}

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

|align="right"|370

|align="left" |Sunk

align="right"|30 June 1917

|align="left" |Germania

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

|align="right"|1,064

|align="left" |Sunk

align="right"|1 July 1917

|align="left" |Ariel

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

|align="right"|108

|align="left" |Sunk

align="right"|2 July 1917

|align="left" |General Buller

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

|align="right"|72

|align="left" |Sunk

align="right"|2 July 1917

|align="left" |Hamnavoe

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

|align="right"|57

|align="left" |Sunk

align="right"|6 July 1917

|align="left" |Handel en Visscherij

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

|align="right"|76

|align="left" |Sunk

align="right"|6 July 1917

|align="left" |Piet Hein

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

|align="right"|100

|align="left" |Sunk

align="right"|6 July 1917

|align="left" |Skjald

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

|align="right"|477

|align="left" |Sunk

align="right"|7 July 1917

|align="left" |HMD Southesk

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

|align="right"|93

|align="left" |Sunk

align="right"|13 August 1917

|align="left" |Akassa

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

|align="right"|3,919

|align="left" |Sunk

align="right"|19 August 1917

|align="left" |Spectator

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

|align="right"|3,808

|align="left" |Sunk

align="right"|26 September 1917

|align="left" |San Zeferino

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

|align="right"|6,430

|align="left" |Damaged

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}}

{{September 1917 shipwrecks}}

{{DEFAULTSORT:Uc033}}

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 in 1917

Category:U-boats sunk by British warships

Category:World War I minelayers of Germany

Category:World War I shipwrecks in the Irish Sea

Category:World War I submarines of Germany

Category:1916 ships

Category:U-boats sunk in collisions