SM UB-75

Last updated
UB 148 at sea 2.jpeg
UB-148 at sea, a U-boat similar to UB-75.
History
War Ensign of Germany 1903-1918.svg German Empire
NameUB-75
Ordered23 September 1916 [1]
Builder Blohm & Voss, Hamburg
Cost3,338,000 German Papiermark
Yard number304
Launched5 May 1917 [2]
Commissioned11 September 1917 [2]
FateStruck mine 10 December 1917 at 54°5′N0°10′E / 54.083°N 0.167°E / 54.083; 0.167 , all hands lost. [2]
General characteristics [2]
Class and type German Type UB III submarine
Displacement
  • 516  t (508 long tons) surfaced
  • 648 t (638 long tons) submerged
Length55.30 m (181 ft 5 in) (o/a)
Beam5.80 m (19 ft)
Draught3.68 m (12 ft 1 in)
Propulsion
Speed
  • 13.6 knots (25.2 km/h; 15.7 mph) surfaced
  • 7.8 knots (14.4 km/h; 9.0 mph) submerged
Range
  • 8,680 nmi (16,080 km; 9,990 mi) at 8 knots (15 km/h; 9.2 mph) surfaced
  • 55 nmi (102 km; 63 mi) at 4 knots (7.4 km/h; 4.6 mph) submerged
Test depth50 m (160 ft)
Complement3 officers, 31 men [2]
Armament
Service record
Part of:
  • V Flotilla
  • 24 October – 10 December 1917
Commanders:
  • Oblt.z.S. Franz Walther [3]
  • 11 September – 10 December 1917
Operations: 2 patrols
Victories:
  • 6 merchant ships sunk
    (10,777  GRT)
  • 1 merchant ship damaged
    (1,477  GRT)

SM UB-75 was a German Type UB III submarine or U-boat in the German Imperial Navy (German : Kaiserliche Marine) during World War I. She was commissioned into the German Imperial Navy on 11 September 1917 as SM UB-75. [Note 1]

Contents

UB-75 was serving in the Flanders Flotillas. On 10 December 1917 she was lost with all hands after hitting a mine. [2]

Construction

She was built by AG Vulcan of Hamburg and following just under a year of construction, launched at Hamburg on 5 May 1917. UB-75 was commissioned later that same year . Like all Type UB III submarines, UB-75 carried 10 torpedoes and was armed with a 8.8 cm (3.46 in) deck gun. UB-75 would carry a crew of up to 3 officer and 31 men and had a cruising range of 8,680 nautical miles (16,080 km; 9,990 mi). UB-75 had a displacement of 516  t (508 long tons) while surfaced and 648 t (638 long tons) when submerged. Her engines enabled her to travel at 13.6 knots (25.2 km/h; 15.7 mph) when surfaced and 7.8 knots (14.4 km/h; 9.0 mph) when submerged.


Summary of raiding history

DateNameNationalityTonnage [Note 2] Fate [4]
4 November 1917 Lucida Government Ensign of the United Kingdom.svg  United Kingdom 1,477Damaged
9 November 1917 Frithjof Eide Flag of Norway.svg  Norway 1,207Sunk
5 December 1917 Aigburth Civil Ensign of the United Kingdom.svg  United Kingdom 824Sunk
6 December 1917 Leda Flag of the Netherlands.svg  Netherlands 1,140Sunk
7 December 1917 Highgate Civil Ensign of the United Kingdom.svg  United Kingdom 1,780Sunk
8 December 1917 Lampada Civil Ensign of the United Kingdom.svg  United Kingdom 2,230Sunk
9 December 1917 Venetia Civil Ensign of the United Kingdom.svg  United Kingdom 3,596Sunk

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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. ↑ Rössler 1979, p. 65.
  2. 1 2 3 4 5 6 Gröner 1991, pp. 25–30.
  3. ↑ Helgason, Guðmundur. "WWI U-boat commanders: Franz Walther". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 4 February 2015.
  4. ↑ Helgason, Guðmundur. "Ships hit by UB 75". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 4 February 2015.

Bibliography

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