SM UB-37

	SM UB-45 a U-boat similar to UB-37
History
German Empire
Name	UB-37
Ordered	22 July 1915
Builder	Blohm & Voss, Hamburg
Cost	1,152,000 German Papiermark
Yard number	261
Launched	28 December 1915
Completed	10 June 1916
Commissioned	17 June 1916
Fate	Sunk by British Q ship 14 January 1917
General characteristics
Class & type	Type UB II submarine
Displacement	274 t (270 long tons) surfaced; 303 t (298 long tons) submerged;
Length	36.90 m (121 ft 1 in) o/a; 27.90 m (91 ft 6 in) pressure hull;
Beam	4.37 m (14 ft 4 in) o/a; 3.85 m (12 ft 8 in) pressure hull;
Draught	3.69 m (12 ft 1 in)
Propulsion	1 × propeller shaft; 2 × 6-cylinder diesel engine, 270 PS (200 kW; 270 bhp); 2 × electric motor, 280 PS (210 kW; 280 shp);
Speed	9.06 knots (16.78 km/h; 10.43 mph) surfaced; 5.71 knots (10.57 km/h; 6.57 mph) submerged;
Range	7,030 nmi (13,020 km; 8,090 mi) at 5 knots (9.3 km/h; 5.8 mph) surfaced; 45 nmi (83 km; 52 mi) at 4 knots (7.4 km/h; 4.6 mph) submerged;
Test depth	50 m (160 ft)
Complement	2 officers, 21 men
Armament	2 × 50 cm (19.7 in) torpedo tubes; 4 × torpedoes (later 6); 1 × 8.8 cm (3.5 in) Uk L/30 deck gun;
Notes	42-second diving time
Service record
Part of:	Flandern Flotilla; 5 July 1916 – 14 January 1917;
Commanders:	Oblt.z.S. Hans Valentiner; 17 May - 6 November 1916; Oblt.z.S. Paul Günther; 7 November 1916 – 14 January 1917;
Operations:	10 patrols
Victories:	31 merchant ships sunk ; (20,504 GRT); 2 merchant ships damaged ; (431 GRT); 1 auxiliary warship damaged ; (1,191 GRT); 1 merchant ship taken as prize ; (400 GRT);

SM UB-37 was a German Type UB II submarine or U-boat in the German Imperial Navy (German: Kaiserliche Marine) during World War I. The U-boat was ordered on 22 July 1915 and launched on 28 December 1915. She was commissioned into the German Imperial Navy on 17 June 1916 as SM UB-37.

The submarine sank 31 ships in ten patrols, and was itself sunk by British Q ship HMS Penshurst in the English Channel on 14 January 1917.

The wreck of UB-37 was identified by marine archaeologist Innes McCartney in 1999.

History
SM UB-45 a U-boat similar to UB-37
German Empire
Name	UB-37
Ordered	22 July 1915
Builder	Blohm & Voss, Hamburg
Cost	1,152,000 German Papiermark
Yard number	261
Launched	28 December 1915
Completed	10 June 1916
Commissioned	17 June 1916
Fate	Sunk by British Q ship 14 January 1917
General characteristics
Class & type	Type UB II submarine
Displacement	274 t (270 long tons) surfaced 303 t (298 long tons) submerged
Length	36.90 m (121 ft 1 in) o/a 27.90 m (91 ft 6 in) pressure hull
Beam	4.37 m (14 ft 4 in) o/a 3.85 m (12 ft 8 in) pressure hull
Draught	3.69 m (12 ft 1 in)
Propulsion	1 × propeller shaft 2 × 6-cylinder diesel engine, 270 PS (200 kW; 270 bhp) 2 × electric motor, 280 PS (210 kW; 280 shp)
Speed	9.06 knots (16.78 km/h; 10.43 mph) surfaced 5.71 knots (10.57 km/h; 6.57 mph) submerged
Range	7,030 nmi (13,020 km; 8,090 mi) at 5 knots (9.3 km/h; 5.8 mph) surfaced 45 nmi (83 km; 52 mi) at 4 knots (7.4 km/h; 4.6 mph) submerged
Test depth	50 m (160 ft)
Complement	2 officers, 21 men
Armament	2 × 50 cm (19.7 in) torpedo tubes 4 × torpedoes (later 6) 1 × 8.8 cm (3.5 in) Uk L/30 deck gun
Notes	42-second diving time
Service record
Part of:	Flandern Flotilla 5 July 1916 – 14 January 1917
Commanders:	Oblt.z.S. Hans Valentiner 17 May - 6 November 1916 Oblt.z.S. Paul Günther 7 November 1916 – 14 January 1917
Operations:	10 patrols
Victories:	31 merchant ships sunk (20,504 GRT) 2 merchant ships damaged (431 GRT) 1 auxiliary warship damaged (1,191 GRT) 1 merchant ship taken as prize (400 GRT)