SM UB-32 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 4 December 1915. She was commissioned into the German Imperial Navy on 11 April 1916 as SM UB-32.
- UB-32 redirects here. For the Soviet rocket launcher, see UB-32 (rocket pod)
SM UB-45, a u-boat similar to UB-32
|Ordered:||22 July 1915|
|Builder:||Blohm & Voss, Hamburg|
|Cost:||1,152,000 German Papiermark|
|Launched:||4 December 1915|
|Completed:||10 April 1916|
|Commissioned:||11 April 1916|
|Class and type:||German Type UB II submarine|
|Draught:||3.69 m (12 ft 1 in)|
|Test depth:||50 m (160 ft)|
|Complement:||2 officers, 21 men|
|Notes:||42-second diving time|
The submarine sank 22 ships in 16 patrols. She was last heard from on 17 September 1917 and may have been bombed and sunk by Royal Naval Air Service aircraft in the English Channel on 22 September 1917.
A German Type UB II submarine, UB-32 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).
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-32 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.
Summary of raiding history
|13 March 1917||Comrades||58||Sunk|
|13 March 1917||De Tien Kinders||44||Sunk|
|13 March 1917||Gold Seeker||62||Sunk|
|30 March 1917||HMS Penshurst||1,191||Damaged|
|31 March 1917||Boaz||111||Sunk|
|31 March 1917||Gippeswic||116||Sunk|
|31 March 1917||HMHS Gloucester Castle||7,999||Damaged|
|31 March 1917||Queen Louise||4,879||Damaged|
|1 April 1917||Endymion||73||Sunk|
|4 April 1917||Parana||4,461||Sunk|
|5 April 1917||Ernest Legouve||2,246||Sunk|
|24 April 1917||Marie Blanche||359||Sunk|
|25 April 1917||Ballarat||11,120||Sunk|
|27 April 1917||Alfalfa||2,993||Sunk|
|27 April 1917||Beemah||4,750||Sunk|
|28 April 1917||Pursue||37||Sunk|
|29 April 1917||Ellen Harrison||103||Sunk|
|29 April 1917||Mermaid||76||Sunk|
|30 April 1917||Portbail||378||Sunk|
|8 June 1917||Vinaes||1,107||Sunk|
|11 June 1917||Mar Cor||3,257||Sunk|
|12 June 1917||South Point||4,258||Sunk|
|14 June 1917||Vigoureuse||152||Sunk|
|5 July 1917||Havbris||677||Sunk|
|6 July 1917||Wabasha||5,864||Damaged|
|26 August 1917||Feltre||6,455||Sunk|
- Rössler 1979, p. 64.
- Gröner 1991, pp. 23-25.
- Helgason, Guðmundur. "WWI U-boat commanders: Ludwig Karl Sahl". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 1 February 2015.
- Helgason, Guðmundur. "WWI U-boat commanders: Karl Ruprecht". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 1 February 2015.
- Helgason, Guðmundur. "WWI U-boat commanders: Max Viebeg (Pour le Mérite)". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 1 February 2015.
- Helgason, Guðmundur. "WWI U-boat commanders: Benno von Ditfurth". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 1 February 2015.
- Helgason, Guðmundur. "Ships hit by UB 32". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 1 February 2015.
- 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. 2. Translated by Thomas, Keith; Magowan, Rachel. London: Conway Maritime Press. ISBN 0-85177-593-4.
- Rössler, Eberhard (1979). U-Bootbau bis Ende des 1. Weltkrieges, Konstruktionen für das Ausland und die Jahre 1935 – 1945. Die deutschen U-Boote und ihre Werften (in German). I. Munich: Bernard & Graefe. ISBN 3-7637-5213-7.