SM UB-120

	UB-148 at sea, a U-boat similar to UB-120.
History
German Empire
Name	UB-120
Ordered	6 / 8 February 1917
Builder	AG Weser, Bremen
Cost	3,654,000 German Papiermark
Yard number	293
Laid down	17 April 1917
Launched	23 February 1918
Commissioned	23 March 1918
Fate	Surrendered 24 November 1918
General characteristics
Class and type	Type UB III submarine
Displacement	512 t (504 long tons) surfaced; 643 t (633 long tons) submerged;
Length	55.85 m (183 ft 3 in) (o/a)
Beam	5.80 m (19 ft)
Draught	3.72 m (12 ft 2 in)
Propulsion	2 × propeller shaft; 2 × Daimler four-stroke 6-cylinder diesel engines, 1,050 bhp (780 kW); 2 × Siemens-Schuckert electric motors, 780 shp (580 kW);
Speed	13.9 knots (25.7 km/h; 16.0 mph) surfaced; 7.6 knots (14.1 km/h; 8.7 mph) submerged;
Range	7,280 nmi (13,480 km; 8,380 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
Armament	5 × 50 cm (19.7 in) torpedo tubes (4 bow, 1 stern); 10 torpedoes; 1 × 8.8 cm (3.46 in) deck gun;
Service record
Part of:	III Flotilla; 1 July – 11 November 1918;
Commanders:	Oblt.z.S. Richard Plum; 23 March – 11 November 1918;
Operations:	2 patrols
Victories:	1 merchant ship sunk ; (145 GRT)

SM UB-120 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 23 March 1918 as SM UB-120.^{[Note 1]}

UB-120 was surrendered to the British on 24 November 1918 in accordance with the requirements of the Armistice with Germany. She was broken up in Swansea in 1922^[3]

^ Rössler 1979, p. 55.
^ Helgason, Guðmundur. "WWI U-boats: UB 120". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 13 February 2009.
^ ^a ^b ^c ^d ^e ^f Gröner 1991, pp. 25–30.
^ Helgason, Guðmundur. "WWI U-boat commanders: Richard Plum". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 10 March 2015.

Cite error: There are <ref group=Note> tags on this page, but the references will not show without a {{reflist|group=Note}} template (see the help page).

[FOOTNOTERössler197955-1] Rössler 1979, p. 55.

[UB-120-2] Helgason, Guðmundur. "WWI U-boats: UB 120". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 13 February 2009.

[FOOTNOTEGröner199125–30-3] ^ ^a ^b ^c ^d ^e ^f Gröner 1991, pp. 25–30.

[4] Helgason, Guðmundur. "WWI U-boat commanders: Richard Plum". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 10 March 2015.

[1]

[2]

[3]

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[Note 1]

History
UB-148 at sea, a U-boat similar to UB-120.
German Empire
Name	UB-120
Ordered	6 / 8 February 1917^[1]
Builder	AG Weser, Bremen
Cost	3,654,000 German Papiermark
Yard number	293
Laid down	17 April 1917^[2]
Launched	23 February 1918^[3]
Commissioned	23 March 1918^[3]
Fate	Surrendered 24 November 1918^[3]
General characteristics ^[3]
Class and type	Type UB III submarine
Displacement	512 t (504 long tons) surfaced 643 t (633 long tons) submerged
Length	55.85 m (183 ft 3 in) (o/a)
Beam	5.80 m (19 ft)
Draught	3.72 m (12 ft 2 in)
Propulsion	2 × propeller shaft 2 × Daimler four-stroke 6-cylinder diesel engines, 1,050 bhp (780 kW) 2 × Siemens-Schuckert electric motors, 780 shp (580 kW)
Speed	13.9 knots (25.7 km/h; 16.0 mph) surfaced 7.6 knots (14.1 km/h; 8.7 mph) submerged
Range	7,280 nmi (13,480 km; 8,380 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^[3]
Armament	5 × 50 cm (19.7 in) torpedo tubes (4 bow, 1 stern) 10 torpedoes 1 × 8.8 cm (3.46 in) deck gun
Service record
Part of:	III Flotilla 1 July – 11 November 1918
Commanders:	Oblt.z.S. Richard Plum^[4] 23 March – 11 November 1918
Operations:	2 patrols
Victories:	1 merchant ship sunk (145 GRT)