SM UC-30

Last updated
History
War Ensign of Germany 1903-1918.svg German Empire
NameUC-30
Ordered29 August 1915 [1]
Builder AG Vulcan, Hamburg [2]
Yard number69 [1]
Launched27 July 1916 [1]
Commissioned22 August 1916 [1]
FateSunk by mine, 21 April 1917 [1]
General characteristics [3]
Class and type Type UC II submarine
Displacement
  • 400  t (390 long tons), surfaced
  • 480 t (470 long tons), submerged
Length
Beam
  • 5.22 m (17 ft 2 in) o/a
  • 3.65 m (12 ft) pressure hull
Draught3.68 m (12 ft 1 in)
Propulsion
Speed
  • 11.6 knots (21.5 km/h; 13.3 mph), surfaced
  • 6.7 knots (12.4 km/h; 7.7 mph), submerged
Range
  • 9,410  nmi (17,430 km; 10,830 mi) at 7 knots (13 km/h; 8.1 mph), surfaced
  • 53 nmi (98 km; 61 mi) at 4 knots (7.4 km/h; 4.6 mph), submerged
Test depth50 m (160 ft)
Complement26
Armament
Notes48-second diving time
Service record
Part of:
  • I Flotilla
  • 16 November 1916 – 21 April 1917
Commanders:
  • Kptlt. Heinrich Stenzler [4]
  • 22 August 1916 – 21 April 1917
Operations: 4 patrols
Victories:
  • 3 merchant ships sunk
    (5,413  GRT)
  • 2 auxiliary warships sunk
    (454  GRT)

SM UC-30 was a German Type UC II minelaying submarine or U-boat in the German Imperial Navy (German : Kaiserliche Marine) during World War I. The U-boat was ordered on 29 August 1915 and was launched on 27 July 1916. She was commissioned into the German Imperial Navy on 22 August 1916 as SM UC-30. [Note 1] In four patrols UC-30 was credited with sinking five ships, either by torpedo or by mines laid. UC-30 was mined and sunk off Horns Reef on 21 April 1917. [1] The wreck was discovered in 2016.

Contents

Design

A Type UC II submarine, UC-30 had a displacement of 400 tonnes (390 long tons) when at the surface and 480 tonnes (470 long tons) while submerged. She had a length overall of 49.45 m (162 ft 3 in), a beam of 5.22 m (17 ft 2 in), and a draught of 3.68 m (12 ft 1 in). The submarine was powered by two six-cylinder four-stroke diesel engines each producing 260 metric horsepower (190 kW; 260 shp) (a total of 520 metric horsepower (380 kW; 510 shp)), two electric motors producing 460 metric horsepower (340 kW; 450 shp), and two propeller shafts. She had a dive time of 48 seconds and was capable of operating at a depth of 50 metres (160 ft). [3]

The submarine had a maximum surface speed of 11.6 knots (21.5 km/h; 13.3 mph) and a submerged speed of 6.7 knots (12.4 km/h; 7.7 mph). When submerged, she could operate for 53 nautical miles (98 km; 61 mi) at 4 knots (7.4 km/h; 4.6 mph); when surfaced, she could travel 9,410 nautical miles (17,430 km; 10,830 mi) at 7 knots (13 km/h; 8.1 mph). UC-30 was fitted with six 100 centimetres (39 in) mine tubes, eighteen UC 200 mines, three 50 centimetres (20 in) torpedo tubes (one on the stern and two on the bow), seven torpedoes, and one 8.8 cm (3.5 in) Uk L/30 deck gun. Her complement was twenty-six crew members. [3]

Captain

On 20 June 1917 the remains of a human whose mostly decomposed remains were kept together by a German uniform was found washed ashore in Bjergehuse in Sønder Nissum parish, Denmark. The parish priest described the remains as those of a ca. 30-year-old, handsomely and strongly built man and assumed him to be a downed and drowned airman. The remains were buried in the parish on 23 June 1917. On 17 October 1917 the German legation in Copenhagen informed the ministry for Ecclesiastical Affairs that the remains had been identified as those of the captain of submarine 30, Kapitänleutnant Johann Heinrich Wilhelm Maximilian Stenzler and requested on behalf of his family that his remains be exhumed and transferred to Germany for burial there. On 15 November 1917 the grave was thus opened, the remains transferred to a zinc lined coffin and repatriated. On 28 November 1917 Stenzler was buried in the family grave in Stralsund. The Sønder Nissum parish priest received a letter from Stenzler's mother, a widow in Stralsund. According to this letter, Stenzler was born 1 July 1886 in Cassel, to Max Israël formerly mayor of Stralsund and Maria née Wellsmann and later took the name Stenzler. [5]

Wreck

The wreck was located by JD-Contractor A/S in 2016 outside Esbjerg, still carrying 18 mines and 6 torpedoes. [6] The submerged wreck was identified in part using multibeam sonar, see animation.

Previously, a Danish diving company claimed to have identified a wreck originally found in 2005 as the UC-30. The assumed wreck was located about 66 nautical miles (122 km; 76 mi) straight west of Nymindegab (approx. 55°49′N6°12′E / 55.817°N 6.200°E / 55.817; 6.200 ) at a depth of 46 metres (151 ft). The company intended to dive on the location in the summer of 2011. [7]

Summary of raiding history

DateNameNationalityTonnage [Note 2] Fate [8]
26 November 1916 Romance Flag of Norway.svg  Norway 628Sunk
12 February 1917 HMT Euston Naval Ensign of the United Kingdom.svg  Royal Navy 209Sunk
16 February 1917 HMT Recepto Naval Ensign of the United Kingdom.svg  Royal Navy 245Sunk
4 April 1917 Hunstanton Government Ensign of the United Kingdom.svg  United Kingdom 4,504Sunk
4 April 1917 Monte Protegido Flag of Argentina.svg  Argentina 281Sunk

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SM <i>UC-29</i>

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SM <i>UC-57</i>

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References

Notes

  1. ↑ "SM" stands for "Seiner Majestät" (English: His Majesty's) and combined with the U for Unterseeboot would be translated as His Majesty's Submarine.
  2. ↑ Merchant ship tonnages are in gross register tons. Military vessels are listed by tons displacement.

Citations

  1. 1 2 3 4 5 6 Helgason, Guðmundur. "WWI U-boats: UC 30". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 22 February 2009.
  2. ↑ Tarrant, p. 173.
  3. 1 2 3 Gröner 1991, pp. 31–32.
  4. ↑ Helgason, Guðmundur. "WWI U-boat commanders: Heinrich Stenzler". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 16 February 2015.
  5. ↑ "Døde Mandkøn" [Deceased Males]. Kirkebog[Parish Register]. 1907–1927 (in Danish). Sønder Nissum Sogn. 1917. pp.  28543994 275, 28544047 337.{{cite book}}: CS1 maint: location missing publisher (link)
  6. ↑ Kristoffer Østergaard Kristensen (2016-08-18). "Sprængfarlig tysk ubåd fundet ud for Esbjerg" [Explosive German submarine discovered off the coast of Esbjerg]. Jyllandsposten (in Danish). Retrieved 2016-08-19.
  7. ↑ Danish Television channel TVMidtvest, 29 June 2011
  8. ↑ Helgason, Guðmundur. "Ships hit by UC 30". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 16 February 2015.

Bibliography

  • Bendert, Harald (2001). Die UC-Boote der Kaiserlichen Marine 1914–1918. Minenkrieg mit U-Booten (in German). Hamburg, Berlin, Bonn: Mittler. ISBN   3-8132-0758-7.
  • Gröner, Erich; Jung, Dieter; Maass, Martin (1991). U-boats and Mine Warfare Vessels. German Warships 1815–1945. Vol. 2. Translated by Thomas, Keith; Magowan, Rachel. London: Conway Maritime Press. ISBN   0-85177-593-4.
  • Gardiner, Robert; Gray, Randal, eds. (1985). Conway's All the World's Fighting Ships 1906–1921. Annapolis, Maryland: Naval Institute Press. ISBN   978-0-87021-907-8. OCLC   12119866.
  • Tarrant, V. E. (1989). The U-Boat Offensive: 1914–1945. Annapolis, Maryland: Naval Institute Press. ISBN   978-0-87021-764-7. OCLC   20338385.
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