SM UB-111

UB-148 at sea, a U-boat similar to UB-111.
History
German Empire
NameUB-111
Ordered6 / 8 February 1917
BuilderBlohm & Voss, Hamburg
Cost3,714,000 German Papiermark
Yard number317
Launched1 September 1917
Commissioned5 April 1918
FateSurrendered 21 November 1918, broken up
General characteristics
Class & 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
Armament
Service record
Part of:
Commanders:
  • Oblt.z.S. / Kptlt. Egon von Werner
  • 5 April – 11 November 1918
Operations: 3 patrols
Victories: 7 merchant ships sunk
(694 GRT)

SM UB-111 was a German Type UB III submarine or U-boat in the German Imperial Navy (German: Kaiserliche Marine) during World War I. She was commissionedd into the German Imperial Navy on 5 April 1918 as SM UB-111.

UB-111 was surrendered to Britain on 21 November 1918 in accordance with the requirements of the Armistice with Germany and broken up in Bo'ness in 1919-20.