SM UB-30 explained

SM UB-30 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.

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[1] and the Witherington and Everett Steam Ship Company collier SS Lightfoot in the English Channel off Selsey Bill on 16 March 1918.[2]

UB-30 was sunk by two depth charges from HMS Landrail south of Goodwin Sands at 51.15°N 47°W on 13 August 1918.

Design

A Type UB II submarine, UB-30 had a displacement of 274t when at the surface and 303t while submerged. She had a total length of 36.9m (121.1feet), a beam of 4.37m (14.34feet), and a draught of 3.69m (12.11feet). The submarine was powered by two Benz six-cylinder diesel engines producing a total 270PS, two Siemens-Schuckert electric motors producing 280PS, and one propeller shaft. She was capable of operating at depths of up to .

The submarine had a maximum surface speed of and a maximum submerged speed of . When submerged, she could operate for at ; when surfaced, she could travel at . UB-30 was fitted with two torpedo tubes, four torpedoes, and one 8.8sp=usNaNsp=us Uk L/30 deck gun. She had a complement of twenty-one crew members and two officers and a 42-second dive time.

Summary of raiding history

DateNameNationalityTonnage[3] Fate[4]
21 October 1916August Sweden346Sunk
23 October 1916Elly Sweden88Sunk
24 October 1916Elin127Sunk
24 October 1916Ingersoll239Sunk
24 October 1916Jenny Lind53Sunk
24 October 1916Urpo111Sunk
31 August 1917Vernon United Kingdom982Sunk
3 September 1917Ragnhild United Kingdom1,495Sunk
26 September 1917S.N.A. 3 France1,709Sunk
12 November 1917Morning Star United Kingdom129Sunk
3 January 1918Gartland United Kingdom2,613Sunk
5 January 1918Glenarm Head United Kingdom3,908Sunk
12 January 1918Whorlton United Kingdom1,469Sunk
2 February 1918Jaffa United Kingdom1,383Sunk
9 February 1918Armenia United States5,463Damaged
5 March 1918Clan Mackenzie United Kingdom6,544Damaged
7 March 1918Braatt II Norway1,834Sunk
16 March 1918Lightfoot United Kingdom1,873Sunk
18 June 1918Norfolk Coast United Kingdom782Sunk
10 August 1918Madame Renee United Kingdom509Sunk

References

Citations

Bibliography

Notes and References

  1. 6305. Vernon. 1ship. 24 June 2011.
  2. 3601. Lightfoot. 1ship. 24 June 2011.
  3. Tonnages are in gross register tons
  4. ub30. UB-30. 1boat. 1 February 2015.