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 and type	German 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);

Last updated January 24, 2024

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.^{[Note 1]}

Design

A German Type UB II submarine, UB-37 had a displacement of 274 tonnes (270 long tons) when at the surface and 303 tonnes (298 long tons) while submerged. She had a total length of 36.90 m (121 ft 1 in), a beam of 4.37 m (14 ft 4 in), and a draught of 3.69 m (12 ft 1 in). The submarine was powered by two Benz six-cylinder diesel engines producing a total 270 metric horsepower (270 shp; 200 kW), two Siemens-Schuckert electric motors producing 280 metric horsepower (210 kW; 280 shp), and one propeller shaft. She was capable of operating at depths of up to 50 metres (160 ft).^[2]

The submarine had a maximum surface speed of 9.06 knots (16.78 km/h; 10.43 mph) and a maximum submerged speed of 5.71 knots (10.57 km/h; 6.57 mph). When submerged, she could operate for 45 nautical miles (83 km; 52 mi) at 4 knots (7.4 km/h; 4.6 mph); when surfaced, she could travel 7,030 nautical miles (13,020 km; 8,090 mi) at 5 knots (9.3 km/h; 5.8 mph). UB-37 was fitted with two 50 centimetres (20 in) torpedo tubes, four torpedoes, and one 8.8 cm (3.5 in) Uk L/30 deck gun. She had a complement of twenty-one crew members and two officers and a 42-second dive time.^[2]

Summary of raiding history

Date	Name	Nationality	Tonnage^{[Note 2]}	Fate^[7]
21 July 1916	Samsø	Denmark	388	Damaged
22 July 1916	Bams	Norway	308	Sunk
22 July 1916	Ida	Sweden	302	Sunk
22 July 1916	Juno	Norway	355	Sunk
22 July 1916	Preference	Sweden	222	Sunk
22 July 1916	Subra	Norway	580	Sunk
9 August 1916	Danevang	Denmark	1,247	Sunk
11 August 1916	Rufus	Norway	202	Sunk
13 August 1916	Fremad	Norway	104	Sunk
13 August 1916	Pepita	Sweden	261	Sunk
13 August 1916	Respit	Norway	473	Sunk
10 September 1916	Zeemeeuv	Netherlands	400	Captured as prize
23 September 1916	Dresden	United Kingdom	807	Sunk
23 September 1916	Pearl	United Kingdom	613	Sunk
24 September 1916	Oceanien	France	60	Sunk
25 September 1916	Afrique	France	1,743	Sunk
24 October 1916	Twig	United Kingdom	128	Sunk
13 November 1916	Our Boys	United Kingdom	63	Sunk
13 November 1916	Superb	United Kingdom	50	Sunk
28 November 1916	Diligence	United Kingdom	42	Sunk
28 November 1916	Amphitrite	United Kingdom	44	Sunk
28 November 1916	Catena	United Kingdom	36	Sunk
28 November 1916	Provident	United Kingdom	38	Sunk
28 November 1916	Sea Lark	United Kingdom	42	Sunk
28 November 1916	Lynx	United Kingdom	43	Damaged
30 November 1916	Concord	United Kingdom	51	Sunk
1 December 1916	Erich Lindøe	Norway	1,097	Sunk
4 December 1916	Fofo	Greece	2,615	Sunk
6 December 1916	Halfdan	Denmark	1,305	Sunk
7 December 1916	Marguerite Dollfus	France	1,948	Sunk
5 January 1917	Asta	Norway	573	Sunk
7 January 1917	Hansi	Norway	1,142	Sunk
10 January 1917	Tuborg	Denmark	2,056	Sunk
14 January 1917	Norma	Denmark	1,997	Sunk
14 January 1917	HMS Penshurst	Royal Navy	1,191	Damaged

Notes

↑ "SM" stands for "Seiner Majestät" (English: His Majesty's) and combined with the U for Unterseeboot would be translated as His Majesty's Submarine.
↑ Merchant ship tonnages are in gross register tons. Military vessels are listed by tons displacement.

Related Research Articles

SM UB-33 was a German Type UB II submarine or U-boat in the German Imperial Navy during World War I. The U-boat was ordered on 22 July 1915 and launched on 5 December 1915. She was commissioned into the German Imperial Navy on 22 April 1916 as SM UB-33.

SM UB-19 was a German Type UB II submarine or U-boat in the German Imperial Navy during World War I. The U-boat was ordered on 30 April 1915 and launched on 2 September 1915. She was commissioned into the German Imperial Navy on 16 December 1915 as SM UB-19. The submarine sank 13 ships in 15 patrols for a total of 10,040 gross register tons (GRT). UB-19 was sunk in the English Channel at 49°56′N2°45′W on 30 November 1916 by British Q ship HMS Penshurst.

SM UB-20 was a German Type UB II submarine or U-boat in the German Imperial Navy during World War I. The U-boat was ordered on 30 April 1915 and launched on 26 September 1915. She was commissioned into the German Imperial Navy on 10 February 1916 as SM UB-20. The submarine sank 13 ships in 15 patrols for a total of 10,230 gross register tons (GRT). UB-20 was mined and sunk on 28 July 1917 at 51°21′N2°38′E. Fifteen crew members died in the event.

SM UB-21 was a German Type UB II submarine or U-boat in the German Imperial Navy during World War I. The U-boat was ordered on 30 April 1915 and launched on 26 September 1915. She was commissioned into the German Imperial Navy on 20 February 1916 as SM UB-21. The submarine sank 33 ships in 26 patrols for a total of 36,764 gross register tons (GRT). Surrendered to Britain in accordance with the requirements of the Armistice with Germany, UB-21 was sunk as a target by HMS Terror in the Solent on 30 September 1920; the wreck was sold in 1970 and most had been cleared by 1998, although some remnants survive.

SM UB-22 was a German Type UB II submarine or U-boat in the German Imperial Navy during World War I. The U-boat was ordered on 30 April 1915 and launched on 9 October 1915. She was commissioned into the German Imperial Navy on 2 March 1915 as SM UB-22. The submarine sank 27 ships in 18 patrols for a total of 16,645 gross register tons (GRT). UB-22 was mined and sunk in the same incident with the torpedoboat SMS S16 in the North Sea at 54°40′N6°32′E on 19 January 1918 in a British minefield.

SM UB-23 was a German Type UB II submarine or U-boat in the German Imperial Navy during World War I. The U-boat was ordered on 30 April 1915 and launched on 9 October 1915. She was commissioned into the Imperial German Navy on 13 March 1916 as SM UB-23. The submarine sank 51 ships in 21 patrols for a total of 33,880 gross register tons (GRT). On 26 July 1917, UB-23 was badly damaged by a depth charge attack by HMS PC-60 off the Lizard; she put in at Corunna, Spain, on 29 July 1917 and was interned. On 22 January 1919 she was surrendered to France in accordance with the requirements of the Armistice with Germany, and she was broken up in Cherbourg in July 1921.

SM UB-27 was a German Type UB II submarine or U-boat in the German Imperial Navy during World War I. The U-boat was ordered on 30 April 1915 and launched on 10 February 1916. She was commissioned into the German Imperial Navy on 23 February 1916 as SM UB-27. UB-27 sank 11 ships in 17 patrols for a total of 18,091 gross register tons (GRT).

SM UB-30 was a German Type UB II submarine or U-boat in the German Imperial Navy during World War I. The U-boat was ordered on 22 July 1915 and launched on 16 November 1915. She was commissioned into the German Imperial Navy on 18 March 1916 as SM UB-30.

SM UB-31 was a German Type UB II submarine or U-boat in the German Imperial Navy during World War I. The U-boat was ordered on 22 July 1915 and launched on 16 November 1915. She was commissioned into the German Imperial Navy on 25 March 1916 as SM UB-31.

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SM UB-35 was a German Type UB II submarine or U-boat in the German Imperial Navy 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 22 June 1916 as SM UB-35.

SM UB-36 was a German Type UB II submarine or U-boat in the German Imperial Navy during World War I. The U-boat was ordered on 22 July 1915 and launched on 15 January 1916. She was commissioned into the German Imperial Navy on 22 May 1916 as SM UB-36.

SM UB-38 was a German Type UB II submarine or U-boat in the German Imperial Navy during World War I.

SM UB-39 was a German Type UB II submarine or U-boat in the German Imperial Navy during World War I.

SM UB-40 was a German Type UB II submarine or U-boat in the German Imperial Navy during World War I.

SM UB-41 was a German Type UB II submarine or U-boat in the German Imperial Navy during World War I.

SM UB-56 was a German Type UB III submarine or U-boat in the German Imperial Navy during World War I. She was commissioned into the Flanders Flotilla of the German Imperial Navy on 19 July 1917 as SM UB-56.

SM UB-58 was a German Type UB III submarine or U-boat in the German Imperial Navy during World War I. She was commissioned into the Flanders Flotilla of the German Imperial Navy on 10 August 1917 as SM UB-58.

SM UB-72 was a German Type UB III submarine or U-boat in the German Imperial Navy during World War I. She was commissioned into the German Imperial Navy on 9 September 1917 as SM UB-72.

SM UB-73 was a German Type UB III submarine or U-boat in the German Imperial Navy during World War I. She was commissioned into the German Imperial Navy on 2 October 1917 as SM UB-73.

References

1 2 Rössler 1979, p. 64.
1 2 3 4 5 6 7 Gröner 1991, pp. 23–25.
1 2 3 Rössler 1979, p. 65.
↑ Helgason, Guðmundur. "WWI U-boat commanders: Hans Valentiner (Royal House Order of Hohenzollern)". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 1 February 2015.
↑ Helgason, Guðmundur. "WWI U-boat commanders: Paul Günther". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 1 February 2015.
↑ Bendert 2000, p. 196.
↑ Helgason, Guðmundur. "Ships hit by UB 37". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 2 February 2015.

Bibliography

Bendert, Harald (2000). Die UB-Boote der Kaiserlichen Marine, 1914-1918. Einsätze, Erfolge, Schicksal (in German). Hamburg: Verlag E.S. Mittler & Sohn GmbH. ISBN 3-8132-0713-7.
Gröner, Erich; Jung, Dieter; Maass, Martin (1991). U-boats and Mine Warfare Vessels. German Warships 1815–1945. Vol. 2. Translated by Thomas, Keith; Magowan, Rachel. London: Conway Maritime Press. ISBN 0-85177-593-4.
Rössler, Eberhard (1979). Die deutschen U-Boote und ihre Werften: eine Bilddokumentation über den deutschen U-Bootbau; in zwei Bänden (in German). Vol. I. Munich: Bernard & Graefe. ISBN 3-7637-5213-7.

50°7′N1°47′E / 50.117°N 1.783°E / 50.117; 1.783

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[6] "SM" stands for "Seiner Majestät" (English: His Majesty's) and combined with the U for Unterseeboot would be translated as His Majesty's Submarine.

[tonnage-8] Merchant ship tonnages are in gross register tons. Military vessels are listed by tons displacement.

[FOOTNOTERössler197964-1] 1 2 Rössler 1979, p. 64.

[FOOTNOTEGröner199123–25-2] 1 2 3 4 5 6 7 Gröner 1991, pp. 23–25.

[FOOTNOTERössler197965-3] 1 2 3 Rössler 1979, p. 65.

[4] Helgason, Guðmundur. "WWI U-boat commanders: Hans Valentiner (Royal House Order of Hohenzollern)". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 1 February 2015.

[5] Helgason, Guðmundur. "WWI U-boat commanders: Paul Günther". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 1 February 2015.

[FOOTNOTEBendert2000196-7] Bendert 2000, p. 196.

[9] Helgason, Guðmundur. "Ships hit by UB 37". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 2 February 2015.

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v t e German Type UB II submarines
UB-18 UB-19 UB-20 UB-21 UB-22 UB-23 UB-24 UB-25 UB-26 UB-27 UB-28 UB-29 UB-30 UB-31 UB-32 UB-33 UB-34 UB-35 UB-36 UB-37 UB-38 UB-39 UB-40 UB-41 UB-42 UB-43 UB-44 UB-45 UB-46 UB-47
Preceded by: Type UB I Followed by: Type UB III
List of U-boats of Germany

v t e Shipwrecks and maritime incidents in January 1917
Shipwrecks	1 Jan: Ivernia 4 Jan: Peresvet 5 Jan: Lesbian 9 Jan: HMS Cornwallis, Fernebo 11 Jan: HMS Ben-my-Chree 13 Jan: USS Milwaukee 14 Jan: Tsukuba , SM UB-37 19 Jan: HMS E36 22 Jan: SM U-76 25 Jan: HMS Laurentic 28 Jan: Amiral Magon 29 Jan: HMS K13
Other incidents	18 Jan: HMS Ferret 19 Jan: HMS E43
1916 1917 1918 December 1916 February 1917

History
SM UB-45 a U-boat similar to UB-37
German Empire
Name	UB-37
Ordered	22 July 1915^[1]
Builder	Blohm & Voss, Hamburg ^[1]
Cost	1,152,000 German Papiermark ^[2]
Yard number	261^[3]
Launched	28 December 1915^[3]
Completed	10 June 1916^[3]
Commissioned	17 June 1916^[2]
Fate	Sunk by British Q ship 14 January 1917^[2]
General characteristics ^[2]
Class and type	German 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^[4] 17 May - 6 November 1916 Oblt.z.S. Paul Günther^[5] 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)