SM UB-30

Last updated
SM UB 45.jpg
SM UB-45, a U-boat similar to UB-30
History
War Ensign of Germany 1903-1918.svg German Empire
NameUB-30
Ordered22 July 1915 [1]
Builder Blohm & Voss, Hamburg [1]
Cost1,152,000 German Papiermark [2]
Yard number254 [1]
Launched16 November 1915 [1]
Completed16 March 1916 [1]
Commissioned18 March 1916 [2]
FateSunk 13 August 1918 by British warships [2]
General characteristics [2]
Class and type Type UB II submarine
Displacement
  • 274  t (270 long tons) surfaced
  • 303 t (298 long tons) submerged
Length
Beam
  • 4.37 m (14 ft 4 in) o/a
  • 3.85 m (12 ft 8 in) pressure hull
Draught3.69 m (12 ft 1 in)
Propulsion
Speed
  • 9.06 knots (16.78 km/h; 10.43 mph) surfaced
  • 5.71 knots (10.57 km/h; 6.57 mph) submerged
Range
  • 7,030  nmi (13,020 km; 8,090 mi) at 5 knots (9.3 km/h; 5.8 mph) surfaced
  • 45 nmi (83 km; 52 mi) at 4 knots (7.4 km/h; 4.6 mph) submerged
Test depth50 m (160 ft)
Complement2 officers, 21 men
Armament
Notes42-second diving time
Service record
Part of:
  • Baltic Flotilla
  • 8 May 1916 – 23 February 1917
  • Flandern Flotilla
  • 23 February 1917 – 13 August 1918
Commanders:
  • Kptlt. Kurt Schapler [3]
  • 18 March – 1 October 1916
  • Oblt.z.S. Freiherr Cassius von Montigny [4]
  • 2 October 1916 – 7 August 1917
  • Kptlt. Wilhelm Rhein [5]
  • 8 August 1917 – 21 April 1918
  • Oblt.z.S. Rudolf Steir [6]
  • 22 April – 13 August 1918
Operations: 19 patrols
Victories:
  • 18 merchant ships sunk
    (19,650  GRT)
  • 2 merchant ships damaged
    (12,007  GRT)

SM UB-30 [Note 1] was a German Type UB II submarine or U-boat in the German Imperial Navy (German : Kaiserliche Marine) during World War I. The U-boat was ordered on 22 July 1915 and launched on 16 November 1915. She was commissioned into the German Imperial Navy on 18 March 1916 as SM UB-30.

Contents

The submarine sank 18 ships in 19 patrols. They included the William Cory & Son collier SS Vernon in the North Sea off Spurn on 31 August 1917 [7] and the Witherington and Everett Steam Ship Company collier SS Lightfoot in the English Channel off Selsey Bill on 16 March 1918. [8]

UB-30 was sunk by two depth charges from HMS Landrail south of Goodwin Sands at 51°9′N1°46′E / 51.150°N 1.767°E / 51.150; 1.767 on 13 August 1918. [2]

Design

A Type UB II submarine, UB-30 had a displacement of 274 tonnes (270 long tons) when at the surface and 303 tonnes (298 long tons) while submerged. She had a total length of 36.90 m (121 ft 1 in), a beam of 4.37 m (14 ft 4 in), and a draught of 3.69 m (12 ft 1 in). The submarine was powered by two Benz six-cylinder diesel engines producing a total 270 metric horsepower (270 shp; 200 kW), two Siemens-Schuckert electric motors producing 280 metric horsepower (210 kW; 280 shp), and one propeller shaft. She was capable of operating at depths of up to 50 metres (160 ft). [2]

The submarine had a maximum surface speed of 9.06 knots (16.78 km/h; 10.43 mph) and a maximum submerged speed of 5.71 knots (10.57 km/h; 6.57 mph). When submerged, she could operate for 45 nautical miles (83 km; 52 mi) at 4 knots (7.4 km/h; 4.6 mph); when surfaced, she could travel 7,030 nautical miles (13,020 km; 8,090 mi) at 5 knots (9.3 km/h; 5.8 mph). UB-30 was fitted with two 50 centimetres (20 in) torpedo tubes, four torpedoes, and one 8.8 cm (3.5 in) Uk L/30 deck gun. She had a complement of twenty-one crew members and two officers and a 42-second dive time. [2]

Summary of raiding history

DateNameNationalityTonnage [Note 2] Fate [9]
21 October 1916 August Flag of Sweden.svg  Sweden 346Sunk
23 October 1916 Elly Flag of Sweden.svg  Sweden 88Sunk
24 October 1916 Elin Flag of Russia.svg  Russian Empire 127Sunk
24 October 1916 Ingersoll Flag of Russia.svg  Russian Empire 239Sunk
24 October 1916 Jenny Lind Flag of Russia.svg  Russian Empire 53Sunk
24 October 1916 Urpo Flag of Russia.svg  Russian Empire 111Sunk
31 August 1917 Vernon Civil Ensign of the United Kingdom.svg  United Kingdom 982Sunk
3 September 1917 Ragnhild Government Ensign of the United Kingdom.svg  United Kingdom 1,495Sunk
26 September 1917 S.N.A. 3 Flag of France.svg  France 1,709Sunk
12 November 1917 Morning Star Civil Ensign of the United Kingdom.svg  United Kingdom 129Sunk
3 January 1918 Gartland Civil Ensign of the United Kingdom.svg  United Kingdom 2,613Sunk
5 January 1918 Glenarm Head Civil Ensign of the United Kingdom.svg  United Kingdom 3,908Sunk
12 January 1918 Whorlton Civil Ensign of the United Kingdom.svg  United Kingdom 1,469Sunk
2 February 1918 Jaffa Civil Ensign of the United Kingdom.svg  United Kingdom 1,383Sunk
9 February 1918 Armenia Flag of the United States (1912-1959).svg  United States 5,463Damaged
5 March 1918Clan MackenzieCivil Ensign of the United Kingdom.svg  United Kingdom 6,544Damaged
7 March 1918 Braatt II Flag of Norway.svg  Norway 1,834Sunk
16 March 1918 Lightfoot Civil Ensign of the United Kingdom.svg  United Kingdom 1,873Sunk
18 June 1918 Norfolk Coast Civil Ensign of the United Kingdom.svg  United Kingdom 782Sunk
10 August 1918 Madame Renee Civil Ensign of the United Kingdom.svg  United Kingdom 509Sunk

Related Research Articles

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SM UB-72 was a German Type UB III submarine or U-boat in the German Imperial Navy during World War I. She was commissioned into the German Imperial Navy on 9 September 1917 as SM UB-72.

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SM UB-73 was a German Type UB III submarine or U-boat in the German Imperial Navy during World War I. She was commissioned into the German Imperial Navy on 2 October 1917 as SM UB-73.

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SM <i>UB-87</i>

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SM <i>UB-104</i>

SM UB-104 was a German Type UB III submarine or U-boat in the German Imperial Navy during World War I. She was commissioned into the German Imperial Navy on 15 March 1918 as SM UB-104.

SM <i>UB-126</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. ↑ Tonnages are in gross register tons

Citations

  1. 1 2 3 4 5 Rössler 1979, p. 64.
  2. 1 2 3 4 5 6 7 Gröner 1991, pp. 23–25.
  3. ↑ Helgason, Guðmundur. "WWI U-boat commanders: Kurt Schapler". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 1 February 2015.
  4. ↑ Helgason, Guðmundur. "WWI U-boat commanders: Freiherr Cassius von Montigny". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 1 February 2015.
  5. ↑ Helgason, Guðmundur. "WWI U-boat commanders: Wilhelm Rhein (Royal House Order of Hohenzollern)". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 1 February 2015.
  6. ↑ Helgason, Guðmundur. "WWI U-boat commanders: Rudolf Steir". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 1 February 2015.
  7. ↑ Helgason, Guðmundur. "Ships hit during WWI: Vernon". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 24 June 2011.
  8. ↑ Helgason, Guðmundur. "Ships hit during WWI: Lightfoot". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 24 June 2011.
  9. ↑ Helgason, Guðmundur. "Ships hit by UB-30". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 1 February 2015.

Bibliography

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