SM UB-104

For other ships with the same name, see German submarine U-104.
UB-148 at sea, a U-boat similar to UB-104.
History
German Empire
NameUB-104
Ordered6 / 8 February 1917[1]
BuilderBlohm & Voss, Hamburg
Cost3,714,000 German Papiermark
Yard number310
Launched1 September 1917[2]
Commissioned15 March 1918[2]
FateSunk by mine on 19 September 1918[2]
General characteristics [2]
Class and typeType UB III submarine
Displacement
  • 519 t (511 long tons) surfaced
  • 649 t (639 long tons) submerged
Length55.30 m (181 ft 5 in) (o/a)
Beam5.80 m (19 ft)
Draught3.70 m (12 ft 2 in)
Propulsion
Speed
  • 13.3 knots (24.6 km/h; 15.3 mph) surfaced
  • 7.5 knots (13.9 km/h; 8.6 mph) submerged
Range
  • 7,420 nmi (13,740 km; 8,540 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 depth50 m (160 ft)
Complement3 officers, 31 men[2]
Armament
Service record
Part of:
Commanders:
  • Oblt.z.S. Ernst Berlin[3]
  • 15 March – 26 July 1918
  • Oblt.z.S. Thomas Bieber[4]
  • 27 July – 21 September 1918
Operations: 3 patrols
Victories: 11 merchant ships sunk
(15,958 GRT)

SM UB-104 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 15 March 1918 as SM UB-104.[Note 1]

UB-104 was sunk by mine in at the Northern Barrage on 19 September 1918.[2]

  1. ^ Rössler 1979, p. 66.
  2. ^ a b c d e f Gröner 1991, pp. 25–30.
  3. ^ Helgason, Guðmundur. "WWI U-boat commanders: Ernst Berlin". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 9 March 2015.
  4. ^ Helgason, Guðmundur. "WWI U-boat commanders: Thomas Bieber (Royal House Order of Hohenzollern)". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 9 March 2015.


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