SM UC-70
For other ships of the same name, see German submarine U-70.
| Career (German Empire) |  |
|---|---|
| Name: | UC-70 |
| Ordered: | 12 January 1916[1] |
| Builder: | Blohm & Voss, Hamburg[2] |
| Yard number: | 286[1] |
| Launched: | 7 August 1916[1] |
| Commissioned: | 20 November 1916[1] |
| Fate: | depth charged by HMS Ouse, 28 August 1918[1] |
| General characteristics | |
| Class and type: | German Type UC II submarine |
| Displacement: | 427 t (471 short tons), surfaced[2] 508 t (560 short tons), submerged |
| Length: | 165 ft 2 in (50.34 m)[2] |
| Beam: | 17 ft 4 in (5.28 m)[2] |
| Draft: | 12 ft 2 in (4 m)[3] |
| Propulsion: | 2 × propeller shafts 2 × 6-cylinder, 4-stroke diesel engines, 500 bhp (370 kW)[3] 2 × electric motors, 460 shp (340 kW)[3] |
| Speed: | 12.0 knots (22.2 km/h), surfaced[2] 7.4 knots (13.7 km/h), submerged |
| Endurance: | 10,420 nautical miles at 7 knots, surfaced[3] (19,300 km at 13 km/h) 52 nautical miles at 4 knots, submerged[3] (96 km at 7.4 km/h) |
| Test depth: | 50 m (160 ft)[3] |
| Complement: | 26[3] |
| Armament: | 6 × 100 cm (39.4 in) mine tubes[3] 18 × UC 200 mines 3 × 50 cm (19.7 in) torpedo tubes (2 bow/external; one stern) 7 × torpedoes 1 × 8.8 cm (3.46 in) KL/30 deck gun[2] |
| Notes: | 35-second diving time[2] |
| Service record | |
|---|---|
| Part of: |
Flandern Flotilla 22 Feb 1917 - 28 Aug 1918 |
| Commanders: |
Oblt Werner Fürbinger[4] 22 Nov 1916 - 22 Jun 1917 Oblt Kurt Loch[5] 15 Apr 1918 - 8 Jun 1918 Oblt Karl Dobberstein[6] 8 Jun 1918 - 28 Aug 1918 |
| Operations: | 10 patrols |
| Victories: |
33 merchant ship sunk (27,078 GRT) 7 merchant ships damaged (27,513 GRT) |
SM UC-70 was a German Type UC II minelaying submarine or U-boat in the German Imperial Navy (German: Kaiserliche Marine) during World War I. The U-boat was ordered on 12 January 1916 and was launched on 7 August 1916. She was commissioned into the German Imperial Navy on 20 November 1916 as SM UC-70.[Note 1] In 10 patrols UC-70 was credited with sinking 33 ships, either by torpedo or by mines laid.[1] On 28 August 1918, UC-70 was spotted lying submerged on the sea bottom and attacked by a Blackburn Kangaroo patrol aircraft of No. 246 Squadron RAF and then was then sunk by depth charges from the British destroyer HMS Ouse.[1][7]
Summary of Raiding Career
| Date | Name | Nationality | Tonnage (GRT) |
Fate[8] |
|---|---|---|---|---|
| 14 February 1917 | Marthe Yvonne |  France |
30 | Sunk |
| 16 March 1917 | Cordouan | France |
28 | Sunk |
| 16 March 1917 | Margaret VI |  French Navy |
852 | Damaged |
| 17 March 1917 | Alcide Marie | France |
26 | Sunk |
| 17 March 1917 | Camille Emile | France |
20 | Sunk |
| 17 March 1917 | Dieu Te Garde | France |
30 | Sunk |
| 17 March 1917 | Juliette | France |
29 | Sunk |
| 17 March 1917 | Louis XIV | France |
44 | Sunk |
| 17 March 1917 | Notre Dame Du Perpetuel Secours | France |
29 | Sunk |
| 17 March 1917 | Nozal | France |
34 | Sunk |
| 17 March 1917 | Renee Islander | France |
25 | Sunk |
| 17 March 1917 | Rupella | France |
38 | Sunk |
| 17 March 1917 | Tasso |  United Kingdom |
1,859 | Sunk |
| 18 March 1917 | Madone | France |
31 | Sunk |
| 18 March 1917 | Entente Cordiale | France |
22 | Sunk |
| 18 March 1917 | Felicite Albert | France |
32 | Sunk |
| 18 March 1917 | Hyacinthe Yvonne | France |
43 | Sunk |
| 19 March 1917 | Bergsli |  Norway |
2,133 | Sunk |
| 19 March 1917 | Michel | France |
1,773 | Sunk |
| 24 March 1917 | Tapir | France |
200 | Sunk |
| 16 April 1917 | Eduard |  United Kingdom |
476 | Sunk |
| 17 April 1917 | Nirvana | United Kingdom |
6,021 | Damaged |
| 30 April 1917 | Eden | Norway |
1,304 | Sunk |
| 7 May 1917 | Lowmount | United Kingdom |
2,070 | Sunk |
| 18 May 1917 | C.E.C.G. | United Kingdom |
47 | Sunk |
| 18 May 1917 | Dromore | United Kingdom |
268 | Sunk |
| 23 May 1917 | Begona N°3 |  Spain |
2,699 | Sunk |
| 27 May 1917 | General De Boisdeffre | France |
2,195 | Sunk |
| 28 May 1917 | Ancona | United Kingdom |
1,168 | Sunk |
| 27 May 1918 | Wayside Flower | United Kingdom |
21 | Sunk |
| 28 May 1918 | Coronation | United Kingdom |
19 | Sunk |
| 4 June 1918 | Cento | United Kingdom |
3,708 | Damaged |
| 9 July 1918 | Frederika |  Netherlands |
91 | Sunk |
| 17 July 1918 | Elin | Norway |
139 | Damaged |
| 21 July 1918 | Genesee | United Kingdom |
2,830 | Damaged |
| 21 July 1918 | Mongolian | United Kingdom |
4,892 | Sunk |
| 23 July 1918 | Boorara |  Australia |
6,570 | Damaged |
| 24 July 1918 | Kilkis | .svg.png){kind=small} Greece |
4,302 | Sunk |
| 26 July 1918 | Ango | France |
7,393 | Damaged |
| 28 August 1918 | Giralda | United Kingdom |
1,100 | Sunk |
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.
References
- ↑ 1.0 1.1 1.2 1.3 1.4 1.5 1.6 Helgason, Guðmundur. "WWI U-boats: UC-70". U-Boat War in World War I. Uboat.net. Retrieved 23 February 2009.
- ↑ 2.0 2.1 2.2 2.3 2.4 2.5 2.6 Tarrant, p. 173.
- ↑ 3.0 3.1 3.2 3.3 3.4 3.5 3.6 3.7 Gardiner, p. 182.
- ↑ "Werner Fürbinger (Royal House Order of Hohenzollern)". Uboat.net. Retrieved 3 March 2015.
- ↑ "Kurt Loch". Uboat.net. Retrieved 3 March 2015.
- ↑ "Karl Dobberstein". Uboat.net. Retrieved 3 March 2015.
- ↑ Jackson 1968, p.114.
- ↑ "SM UC-70 successes". UBoat.net. Retrieved 3 March 2015.
Bibliography
- Bendert, Harald (2001). Die UC-Boote der Kaiserlichen Marine 1914-1918. Minenkrieg mit U-Booten (in German). Hamburg, Berlin, Bonn: Mittler. ISBN 3-8132-0758-7.
- Gardiner, Robert, ed. (1985). Conway's All the World's Fighting Ships, 1906–1921. Annapolis, Maryland: Naval Institute Press. ISBN 978-0-87021-907-8. OCLC 12119866.
- Jackson, A.J. (1968). Blackburn Aircraft since 1909. London: Putnam. ISBN 0-370-00053-6.
- Tarrant, V. E. (1989). The U-Boat Offensive: 1914–1945. Annapolis, Maryland: Naval Institute Press. ISBN 978-0-87021-764-7. OCLC 20338385.
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Coordinates: 51°14′N 2°55′E / 51.233°N 2.917°E