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SM U-97 - Wikipedia

Coordinates: 53°25′N 3°10′E / 53.417°N 3.167°E

From Wikipedia, the free encyclopedia

History

German Empire
Name	U-97
Ordered	15 September 1915
Builder	Germaniawerft, Kiel
Yard number	261
Laid down	25 March 1916
Launched	4 April 1917
Commissioned	16 May 1917
Fate	Sank 21 November 1918 en route to surrender
General characteristics ^[1]
Class and type	Type U 93 submarine
Displacement	837 t (824 long tons) surfaced 998 t (982 long tons) submerged
Length	71.55 m (234 ft 9 in) (o/a) 56.05 m (183 ft 11 in) (pressure hull)
Beam	6.30 m (20 ft 8 in) (o/a) 4.15 m (13 ft 7 in) (pressure hull)
Height	8.25 m (27 ft 1 in)
Draught	3.94 m (12 ft 11 in)
Installed power	2 × 2,300 PS (1,692 kW; 2,269 shp) surfaced 2 × 1,200 PS (883 kW; 1,184 shp) submerged
Propulsion	2 shafts, 2 × 1.66 m (5 ft 5 in) propellers
Speed	16.9 knots (31.3 km/h; 19.4 mph) surfaced 8.6 knots (15.9 km/h; 9.9 mph) submerged
Range	8,290 nmi (15,350 km; 9,540 mi) at 8 knots (15 km/h; 9.2 mph) surfaced 47 nmi (87 km; 54 mi) at 5 knots (9.3 km/h; 5.8 mph) submerged
Test depth	50 m (160 ft)
Complement	4 officers, 32 enlisted
Armament	6 × 50 cm (19.7 in) torpedo tubes (four bow, two stern) 12–16 torpedoes 1 × 10.5 cm (4.1 in) SK L/45 deck gun
Service record
Part of:	IV Flotilla 27 August 1917 – 11 November 1918
Commanders:	Kptlt. Hugo Schmidt^[2] 15 May 1917 – 13 October 1917 Kptlt. Otto Wünsche^[3] 14 October 1917 – 12 January 1918 Kptlt. Hans von Mohl^[4] 13 January – 11 November 1918
Operations:	5 patrols
Victories:	3 merchant ships sunk (622 GRT) 1 auxiliary warship sunk (1,467 GRT) 1 merchant ship damaged (4,785 GRT)

SM U-97 was one of the 329 submarines serving in the Imperial German Navy in World War I. U-97 was engaged in the naval warfare and took part in the First Battle of the Atlantic.^[5] The German unit sank by accident on her way to surrender at position 53°25′N 3°10′E / 53.417°N 3.167°E / 53.417; 3.167.

Design

Type U 93 submarines were preceded by the shorter Type U 87 submarines. U-97 had a displacement of 838 tonnes (825 long tons) when at the surface and 1,000 tonnes (980 long tons) while submerged.^[1] She had a total length of 71.55 m (234 ft 9 in), a pressure hull length of 56.05 m (183 ft 11 in), a beam of 6.30 m (20 ft 8 in), a height of 8.25 m (27 ft 1 in), and a draught of 3.94 m (12 ft 11 in). The submarine was powered by two 2,300 metric horsepower (1,700 kW; 2,300 shp) engines for use while surfaced, and two 1,200 metric horsepower (880 kW; 1,200 shp) engines for use while submerged. She had two propeller shafts. She was capable of operating at depths of up to 50 metres (160 ft).^[1]

The submarine had a maximum surface speed of 16.8 knots (31.1 km/h; 19.3 mph) and a maximum submerged speed of 8.6 knots (15.9 km/h; 9.9 mph).^[1] When submerged, she could operate for 47 nautical miles (87 km; 54 mi) at 5 knots (9.3 km/h; 5.8 mph); when surfaced, she could travel 8,290 nautical miles (15,350 km; 9,540 mi) at 8 knots (15 km/h; 9.2 mph). U-97 was fitted with six 50 centimetres (20 in) torpedo tubes (four at the bow and two at the stern), twelve to sixteen torpedoes, and one 8.8 cm (3.5 in) SK L/30 deck gun. She had a complement of thirty-six (thirty-two crew members and four officers).^[1]

Summary of raiding history

Date	Name	Nationality	Tonnage^{[Note 1]}	Fate^[6]
22 November 1917	Conovium	United Kingdom	86	Sunk
22 November 1917	Elsena	United Kingdom	335	Sunk
22 November 1917	Hartland	United Kingdom	4,785	Damaged
11 February 1918	HMS Westphalia	Royal Navy	1,467	Sunk
2 June 1918	Argus	Denmark	201	Sunk

References

Notes

^ Merchant ship tonnages are in gross register tons. Military vessels are listed by tons displacement.

Citations

^ ^a ^b ^c ^d ^e Gröner 1991, pp. 12–14.
^ Helgason, Guðmundur. "WWI U-boat commanders: Hugo Schmidt". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 21 January 2015.
^ Helgason, Guðmundur. "WWI U-boat commanders: Otto Wünsche (Pour le Mérite)". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 21 January 2015.
^ Helgason, Guðmundur. "WWI U-boat commanders: Hans von Mohl". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 21 January 2015.
^ Helgason, Guðmundur. "WWI U-boats: U 97". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 21 January 2015.
^ Helgason, Guðmundur. "Ships hit by U 97". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 21 January 2015.

Bibliography

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.

v t e Type U 93 submarines
U-93 U-94 U-95 U-96 U-97 U-98 U-105 U-106 U-107 U-108 U-109 U-110 U-111 U-112 U-113 U-114 U-160 U-161 U-162 U-163 U-164 U-165 U-166 U-167
Preceded by: Type U 87 Followed by: Type UE II
List of U-boats of Germany

v t e Shipwrecks and maritime incidents in November 1918
Shipwrecks	1 Nov: U-72, SMS Viribus Unitis 5 Nov: HMS Campania 6 Nov: USS Jolly Roger 9 Nov: HMS Britannia, USS Saetia 10 Nov: HMS Ascot 11 Nov: USS Ophir 14 Nov: HMS Cochrane 15 Nov: Carabinier, USS Elizabeth 16 Nov: Cesare Rossarol 18 Nov: U-165 20 Nov: SMS V30 21 Nov: U-97 22 Nov: HMS G11 26 Nov: USS Bonita Unknown date: Cerisoles, Inkerman
Other incidents	5 Nov: HMS Glorious, HMS Royal Oak 6 Nov: USS Kanawha 13 Nov: Carabinier
1917 1918 1919 October 1918 December 1918

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