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SM UB-75 facts for kids

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UB 148 at sea 2.jpeg
UB-148 at sea, a U-boat similar to UB-75.
Career (German Empire)
Name: UB-75
Ordered: 23 September 1916
Builder: Blohm & Voss, Hamburg
Cost: 3,338,000 German Papiermark
Yard number: 304
Launched: 5 May 1917
Commissioned: 11 September 1917
Fate: struck mine 10 December 1917 at 54°5′N 0°10′E / 54.083°N 0.167°E / 54.083; 0.167Coordinates: 54°5′N 0°10′E / 54.083°N 0.167°E / 54.083; 0.167, all hands lost.
Quick facts for kids
General characteristics
Class and type: German Type UB III submarine
Displacement:
  • 516 t (508 long tons) surfaced
  • 648 t (638 long tons) submerged
Length: 55.30 m (181 ft 5 in) (o/a)
Beam: 5.80 m (19 ft)
Draught: 3.68 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 depth: 50 m (160 ft)
Complement: 3 officers, 31 men
Armament:
  • 5 × 50 cm (19.7 in) torpedo tubes (4 bow, 1 stern)
  • 10 torpedoes
  • 1 × 8.8 cm (3.46 in) deck gun
Service record
Part of:
  • V Flotilla
  • 24 October – 10 December 1917
Commanders:
  • Oblt.z.S. Franz Walther
  • 11 September – 10 December 1917
Operations: 2 patrols
Victories:
  • 6 merchant ships sunk (10,777 GRT)
  • 1 merchant ships 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.


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

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

Date Name Nationality Tonnage Fate
4 November 1917 Lucida  United Kingdom 1,477 Damaged
9 November 1917 Frithjof Eide  Norway 1,207 Sunk
5 December 1917 Aigburth  United Kingdom 824 Sunk
6 December 1917 Leda  Netherlands 1,140 Sunk
7 December 1917 Highgate  United Kingdom 1,780 Sunk
8 December 1917 Lampada  United Kingdom 2,230 Sunk
9 December 1917 Venetia  United Kingdom 3,596 Sunk
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