SM UB-77

For other ships with the same name, see German submarine U-77.
SM UB-77 in Wilhelmshaven
History
German Empire
NameUB-77
Ordered23 September 1916[1]
BuilderBlohm & Voss, Hamburg
Cost3,338,000 German Papiermark
Yard number306
Launched5 May 1917[2]
Commissioned2 October 1917[2]
FateSurrendered 16 January 1919.[2]
General characteristics [2]
Class and typeType 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
  • 30 November 1917 – 17 April 1918
  • I Flotilla
  • 17 April – 11 November 1918
Commanders:
  • Kptlt. Wilhelm Meyer[3]
  • 2 October 1917 – 14 June 1918
  • Oblt.z.S. Franz Maurer[4]
  • 15 June – 11 November 1918
Operations: 7 patrols
Victories:
  • 1 merchant ship sunk
    (14,348 GRT)
  • 2 merchant ships damaged
    (28,174 GRT)

SM UB-77 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 2 October 1917 as SM UB-77.[Note 1]

UB-77 was surrendered on 16 January 1919 in accordance with the requirements of the Armistice with Germany and broken up in Swansea in 1921.[2]

  1. ^ Rössler 1979, p. 65.
  2. ^ a b c d e f Gröner 1991, pp. 25–30.
  3. ^ Helgason, Guðmundur. "WWI U-boat commanders: Wilhelm Meyer". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 4 February 2015.
  4. ^ Helgason, Guðmundur. "WWI U-boat commanders: Franz Maurer". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 4 February 2015.


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