SM U-140
![]() SM U-140 comes alongside SM U-117 to be supplied with fuel, close to the Faroe Islands, 1918   | |
| History | |
|---|---|
| Name | U-140 | 
| Ordered | 1 August 1916 | 
| Builder | Germaniawerft, Kiel | 
| Yard number | 301 | 
| Launched | 4 November 1917 | 
| Commissioned | 28 March 1918 | 
| In service | 28 March 1918 – 11 November 1918 | 
| Fate | 
  | 
| General characteristics [1] | |
| Class & type | Type U 139 submarine | 
| Displacement | |
| Length | 
  | 
| Beam | 
  | 
| Height | 5.27 m (17 ft 3 in) | 
| Draught | 11.20 m (36 ft 9 in) | 
| Installed power | |
| Propulsion | 2 shafts, 2 × 2.10 m (6 ft 11 in) propellers | 
| Speed | 
  | 
| Range | 
  | 
| Test depth | 75 m (246 ft 1 in) | 
| Complement | 6 (1) officers, 56 (20) enlisted – (prize crew) | 
| Armament | 
  | 
| Service record[2] | |
| Part of: |  
  | 
| Commanders: |  
  | 
| Operations: | 1 patrol | 
| Victories: |  
  | 
SM U-140 was a Type U 139 submarine that served in the Imperial German Navy in World War I. U-140 was engaged in the naval warfare and took part in the First Battle of the Atlantic. [2]
After the end of World War I, U-140 surrendered to the United States, which used her for testing. Finally, the United States Navy destroyer USS Dickerson (DD-157) sank her as a target in the Atlantic Ocean off Cape Charles, Virginia, on 22 July 1921.
Summary of raiding history
| Date | Name | Nationality | Tonnage[Note 1] | Fate[3] | 
|---|---|---|---|---|
| 27 July 1918 | Porto | 1,079 | Sunk | |
| 2 August 1918 | Tokuyama Maru | 7,029 | Sunk | |
| 4 August 1918 | O. B. Jennings | 10,289 | Sunk | |
| 5 August 1918 | Stanley M. Seaman | 1,060 | Sunk | |
| 6 August 1918 | Diamond Shoals LV71 | 590 | Sunk | |
| 6 August 1918 | Merak | 3,024 | Sunk | |
| 21 August 1918 | Diomed | 7,523 | Sunk | 
References
Notes
- ^ Merchant ship tonnages are in gross register tons. Military vessels are listed by tons displacement.
 
Citations
- ^ Gröner 1991, pp. 19–21.
 - ^ a b Helgason, Guðmundur. "WWI U-boats: U 140". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 8 December 2014.
 - ^ Helgason, Guðmundur. "Ships hit by U 140". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 8 December 2014.
 
Bibliography
- Etzold, Dominic (2023). Reaping the Whirlwind: The U-Boat War off North America During WWI. Atglen: Schiffer Military History. ISBN 978-0-7643-6704-5
 - 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.
 
