SM UB-74

	UB-148 at sea, a U-boat similar to UB-74.
History
German Empire
Name	UB-74
Ordered	23 September 1916
Builder	AG Vulcan, Hamburg
Cost	3,337,000 German Papiermark
Yard number	98
Launched	12 September 1917
Commissioned	24 October 1917
Fate	Sunk 26 May 1918 by depth charges at 50°32′N 2°32′W / 50.533°N 2.533°W.
General characteristics
Class & type	Type UB III submarine
Displacement	508 t (500 long tons) surfaced; 639 t (629 long tons) submerged;
Length	55.52 m (182 ft 2 in) (o/a)
Beam	5.76 m (18 ft 11 in)
Draught	3.70 m (12 ft 2 in)
Propulsion	2 × propeller shaft; 2 × Körting four-stroke 6-cylinder diesel engines, 1,050 bhp (780 kW); 2 × Siemens-Schuckert electric motors, 780 shp (580 kW);
Speed	13.4 knots (24.8 km/h; 15.4 mph) surfaced; 7.5 knots (13.9 km/h; 8.6 mph) submerged;
Range	8,420 nmi (15,590 km; 9,690 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:	V Flotilla; 6 – 25 January 1918; Flandern I Flotilla; 25 January – 26 May 1918;
Commanders:	Kptlt. Karl Neureuther; 24 October 1917 – 30 January 1918; Oblt.z.S. Ernst Steindorff; 31 January – 26 May 1918;
Operations:	4 patrols
Victories:	7 merchant ships sunk ; (13,294 GRT); 3 merchant ships damaged ; (12,817 GRT);

SM UB-74 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 24 October 1917 as SM UB-74.

UB-74 was serving in the Flanders Flotillas. On 26 May 1918 she was sunk by HMS Lorna with depth charges in the English channel.

History
UB-148 at sea, a U-boat similar to UB-74.
German Empire
Name	UB-74
Ordered	23 September 1916
Builder	AG Vulcan, Hamburg
Cost	3,337,000 German Papiermark
Yard number	98
Launched	12 September 1917
Commissioned	24 October 1917
Fate	Sunk 26 May 1918 by depth charges at 50°32′N 2°32′W / 50.533°N 2.533°W / 50.533; -2.533.
General characteristics
Class & type	Type UB III submarine
Displacement	508 t (500 long tons) surfaced 639 t (629 long tons) submerged
Length	55.52 m (182 ft 2 in) (o/a)
Beam	5.76 m (18 ft 11 in)
Draught	3.70 m (12 ft 2 in)
Propulsion	2 × propeller shaft 2 × Körting four-stroke 6-cylinder diesel engines, 1,050 bhp (780 kW) 2 × Siemens-Schuckert electric motors, 780 shp (580 kW)
Speed	13.4 knots (24.8 km/h; 15.4 mph) surfaced 7.5 knots (13.9 km/h; 8.6 mph) submerged
Range	8,420 nmi (15,590 km; 9,690 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:	V Flotilla 6 – 25 January 1918 Flandern I Flotilla 25 January – 26 May 1918
Commanders:	Kptlt. Karl Neureuther 24 October 1917 – 30 January 1918 Oblt.z.S. Ernst Steindorff 31 January – 26 May 1918
Operations:	4 patrols
Victories:	7 merchant ships sunk (13,294 GRT) 3 merchant ships damaged (12,817 GRT)