SM UB-89

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For other ships with the same name, see German submarine U-89.
UB 148 at sea 2.jpeg
UB-148 at sea, a U-boat similar to UB-89.
History
German Empire
Name: UB-89
Ordered: 6/8 February 1917[1]
Builder: AG Vulcan, Hamburg
Cost: 3,654,000 German Papiermark
Yard number: 105
Launched: 22 December 1917[2]
Commissioned: 25 February 1918[2]
Fate: lost 21 October 1918 in collision with SMS Frankfurt[2]
General characteristics [2]
Class & type: German Type UB III submarine
Displacement:
  • 510 t (500 long tons) surfaced
  • 640 t (630 long tons) submerged
Length: 55.52 m (182 ft 2 in) (o/a)
Beam: 5.76 m (18 ft 11 in)
Draught: 3.73 m (12 ft 3 in)
Propulsion:
Speed:
  • 13 knots (24 km/h; 15 mph) surfaced
  • 7.4 knots (13.7 km/h; 8.5 mph) submerged
Range:
  • 7,120 nmi (13,190 km; 8,190 mi) at 6 knots (11 km/h; 6.9 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[2]
Armament:
Service record
Part of:
  • II Flotilla
  • 5 May – 11 November 1918
Commanders:
  • Kptlt. Walter Gude[3]
  • 25 February – 11 November 1918
Operations: 3 patrols
Victories: 2 merchant ships sunk (373 GRT)

SM UB-89 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 25 February 1918 as SM UB-89.[Note 1]

UB-89 was lost in a collision with the light cruiser SMS Frankfurt in Kiel. Seven crew members perished in the accident. On 30 October 1918 the boat was raised by the salvage ship SMS Cyclop. On 7 March 1919, en route to surrender, UB-89 began to drift and was towed to Ymuiden. In 1920, the boat was broken up in Dortrecht[2]

Construction

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Main article: German Type UB III submarine

he was built by AG Vulcan of Hamburg and following just under a year of construction, launched at Hamburg on 22 December 1917. UB-89 was commissioned early the next year under the command of Kptlt. Walter Gude. Like all Type UB III submarines, UB-89 carried 10 torpedoes and was armed with a 10.5 cm (4.13 in) deck gun. UB-89 would carry a crew of up to 3 officer and 31 men and had a cruising range of 7,120 nautical miles (13,190 km; 8,190 mi). UB-89 had a displacement of 510 t (500 long tons) while surfaced and 640 t (630 long tons) when submerged. Her engines enabled her to travel at 13 knots (24 km/h; 15 mph) when surfaced and 7.4 knots (13.7 km/h; 8.5 mph) when submerged.

Service history

Summary of raiding history

Date Name Nationality Tonnage[Note 2] Fate[4]
25 July 1918 Asta  Denmark 121 Sunk
9 August 1918 Emma  Russian Empire 252 Sunk

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. 61.
  2. ↑ 2.0 2.1 2.2 2.3 2.4 2.5 Gröner 1991, pp. 25-30.
  3. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  4. ↑ Lua error in package.lua at line 80: module 'strict' not found.

Bibliography

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