SM U-122

For other ships of the same name, see German submarine U-122.

SM U-122
Career (German Empire)
Name:	U-122
Ordered:	27 May 1916
Builder:	AG Vulcan, Hamburg
Launched:	9 December 1917
Commissioned:	4 May 1918
Fate:	Surrendered to England on 26 November 1918. Ran aground on the English east coast while on her passage to Scapa Flow. She was later broken up.
General characteristics
Class & type:	German Type UE II submarine
Type:	Costal minelaying submarine
Displacement:	1,164 long tons (1,183 t) surfaced 1,512 long tons (1,536 t) submerged
Length:	81.5 m (267 ft) o/a
Beam:	7.42 m (24.3 ft)
Draught:	4.22 m (13.8 ft)
Propulsion:	2 shafts 2 × diesel engines, 1,200 hp (895 kW) 2 × electric motors, 600 hp (447 kW)
Speed:	11.5 knots (21.3 km/h; 13.2 mph) surfaced 7 knots (13 km/h; 8.1 mph) submerged
Range:	12,500 mi (20,100 km) at 8 kn (15 km/h; 9.2 mph) surfaced 53 mi (85 km) at 4.5 kn (8.3 km/h; 5.2 mph) submerged
Test depth:	75 m (246 ft)
Complement:	4 officers 36 crew
Armament:	• 4 × 50 cm (19.7 in) internal bow torpedo tubes • 2 × internal stern tubes • 1 × 88 mm and 1 × 150 mm deck gun • 42 × mines

SM U-122 was a Type UE II long-range minelayer submarine of the Imperial German Navy during World War I. U-122 was engaged in naval warfare and took part in the First Battle of the Atlantic. U-122 succeeded in sinking one ship during her career for a total of 278 tons. Shortly after, she was surrendered to England following the end of the war.