SM UC-46

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Career (German Empire)
Class and type: German Type UC II submarine
Name: UC-46
Ordered: 20 November 1915[1]
Builder: AG Weser, Bremen[2]
Yard number: 256[1]
Laid down: 1 February 1916[1]
Launched: 8 August 1916[1]
Commissioned: 15 September 1916[1]
Fate: rammed by HMS Liberty southeast of Goodwin Sands, 8 February 1917[1]
General characteristics
Class & type: Type UC II submarine
Displacement: 420 t (460 short tons), surfaced[2]
502 t (553 short tons), submerged
Length: 170 ft 1 in (51.84 m)[2]
Beam: 17 ft 4 in (5.28 m)[2][Note 1]
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: 11.7 knots (21.7 km/h), surfaced[2]
6.7 to 7.4 knots (12.4 to 13.7 km/h), submerged[Note 2]
Endurance: 7,280 nautical miles at 7 knots, surfaced[3]
(13,480 km at 13 km/h)
54 nautical miles at 4 knots, submerged[3]
(100 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: 30-second diving time[2]

SM UC-46 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 20 November 1915, laid down on 1 February 1916, and was launched on 8 August 1916. She was commissioned into the German Imperial Navy on 15 September 1916 as SM UC-46.[Note 3] In 4 patrols UC-46 was credited with sinking 10 ships, either by torpedo or by mines laid. UC-46 was rammed and sunk southeast of Goodwin Sands by the British destroyer Liberty on 8 February 1917.[1]

Notes

  1. Tarrant does not list a beam measurement for UC-46 to UC-48. All other completed UC II submarines had a beam of 17 ft 4 in (5.28 m).
  2. Tarrant does not report a submerged speed for UC-46 to UC-48, but the range of underwater speeds of other completed UC II boats was as given.
  3. "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. 1.0 1.1 1.2 1.3 1.4 1.5 1.6 Helgason, Guðmundur. "WWI U-boats: UC-46". U-Boat War in World War I. Uboat.net. Retrieved 23 February 2009. 
  2. 2.0 2.1 2.2 2.3 2.4 2.5 2.6 Tarrant, p. 173.
  3. 3.0 3.1 3.2 3.3 3.4 3.5 3.6 3.7 Gardiner, p. 182.

Bibliography

  • 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. 
  • 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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