SM UB-64

For other ships with the same name, see German submarine U-64.
UB-148 at sea, a U-boat similar to UB-64.
History
German Empire
NameUB-64
Ordered20 May 1916[1]
BuilderAG Vulcan, Hamburg
Cost3,279,000 German Papiermark
Yard number89
Launched9 June 1917[2]
Commissioned5 August 1917[2]
FateSurrendered to the British 21 November 1918 and broken up in Fareham in 1921[2]
General characteristics [2]
Class and typeType UB III submarine
Displacement
  • 508 t (500 long tons) surfaced
  • 639 t (629 long tons) submerged
Length55.52 m (182 ft 2 in) (o/a)
Beam5.76 m (18 ft 11 in)
Draught3.70 m (12 ft 2 in)
Propulsion
Speed
  • 13.3 knots (24.6 km/h; 15.3 mph) surfaced
  • 7.8 knots (14.4 km/h; 9.0 mph) submerged
Range
  • 8,420 nmi (15,590 km; 9,690 mi) at 6 knots (11 km/h; 6.9 mph) surfaced
  • 55 nmi (102 km; 63 mi) at 4 knots (7.4 km/h; 4.6 mph) submerged
Test depth50 m (160 ft)
Complement3 officers, 31 men[2]
Armament
Service record
Part of:
  • V Flotilla
  • 10 September 1917 – 20 April 1918
  • II Flotilla
  • 20 April – 11 November 1918
Commanders:
  • Kptlt. Otto von Schrader[3]
  • 5 August – 31 October 1917
  • Kptlt. Walter Gude[4]
  • 1 November 1917 – 25 January 1918
  • Kptlt. Woldemar Petri[5]
  • 26 January – 27 February 1918
  • Kptlt. Otto von Schrader[6]
  • 28 February – 31 August 1918
  • Oblt.z.S. Ernst Krieger[7]
  • 1 September – 11 November 1918
Operations: 8 patrols
Victories:
  • 27 merchant ships sunk
    (21,528 GRT)
  • 2 auxiliary warships sunk
    (12,221 GRT)
  • 4 merchant ships damaged
    (48,497 GRT)
  • 1 merchant ship taken as prize
    (371 GRT)

SM UB-64 was a German Type UB III submarine or U-boat in the German Imperial Navy (German: Kaiserliche Marine) during World War I. She was commissioned into the German Imperial Navy on 5 August 1917 as SM UB-64.[Note 1]

UB-64 was surrendered to the British on 21 November 1918 in accordance with the requirements of the Armistice with Germany and broken up in Fareham in 1921.[2]

Construction

Main article: Type UB III submarine

She was built by AG Vulcan of Hamburg and following just under a year of construction, launched at Hamburg on 9 June 1917. UB-64 was commissioned later that same year under the command of Kptlt. Otto von Schrader.

Like all Type UB III submarines, UB-64 carried 10 torpedoes and was armed with a 8.8 cm (3.46 in) deck gun. UB-64 would carry a crew of up to 3 officer and 31 men and had a cruising range of 8,420 nautical miles (15,590 km; 9,690 mi). UB-64 had a displacement of 508 t (500 long tons) while surfaced and 639 t (629 long tons) when submerged. Her engines enabled her to travel at 13.3 knots (24.6 km/h; 15.3 mph) when surfaced and 8 knots (15 km/h; 9.2 mph) when submerged.

Summary of raiding history

Date Name Nationality Tonnage[Note 2] Fate[8]
13 October 1917 Newquay  United Kingdom 4,191 Damaged
13 December 1917 HMS Stephen Furness  Royal Navy 1,712 Sunk
14 February 1918 Saga  United Kingdom 1,143 Sunk
19 February 1918 Wilhelmina VII  Netherlands 109 Sunk
30 March 1918 Salaminia  Greece 3,112 Sunk
5 April 1918 Clam  United Kingdom 3,552 Damaged
11 April 1918 Lakemoor  United States 2,045 Sunk
23 May 1918 Innisfallen  United Kingdom 1,405 Sunk
30 May 1918 Cyprus  United Kingdom 35 Sunk
30 May 1918 Glad Tidings  United Kingdom 15 Sunk
30 May 1918 Honey Bee  United Kingdom 34 Sunk
30 May 1918 Jane Gordon  United Kingdom 27 Sunk
30 May 1918 Lloyd  United Kingdom 35 Sunk
30 May 1918 Marianne Mc Crum  United Kingdom 30 Sunk
30 May 1918 Never Can Tell  United Kingdom 31 Sunk
30 May 1918 Seabird  United Kingdom 15 Sunk
30 May 1918 Sparkling Wave  United Kingdom 37 Sunk
30 May 1918 St. Mary  United Kingdom 29 Sunk
8 June 1918 Elektra  Norway 614 Sunk
9 June 1918 Lena  Sweden 371 Captured as prize
19 July 1918 Justicia  United Kingdom 32,234 Damaged
19 July 1918 Ranger  United Kingdom 79 Sunk
23 July 1918 HMS Marmora  Royal Navy 10,509 Sunk
24 July 1918 Defender  United Kingdom 8,520 Damaged
13 September 1918 Buffalo  United Kingdom 286 Sunk
13 September 1918 M. J. Craig  United Kingdom 691 Sunk
13 September 1918 Setter  United Kingdom 956 Sunk
14 September 1918 Neotsfield  United Kingdom 3,821 Sunk
15 September 1918 Mary Fanny  United Kingdom 94 Sunk
15 September 1918 Energy  United Kingdom 89 Sunk
15 September 1918 Joseph Fisher  United Kingdom 88 Sunk
16 September 1918 Serula  United Kingdom 1,388 Sunk
19 September 1918 Barrister  United Kingdom 4,952 Sunk
21 September 1918 Downshire  United Kingdom 368 Sunk

References

Notes

  1. ^ "SM" stands for "Seiner Majestät" (English: His Majesty's) and combined with the U for Unterseeboot would be translated as His Majesty's Submarine.
  2. ^ Merchant ship tonnages are in gross register tons. Military vessels are listed by tons displacement.

Citations

  1. ^ Rössler 1979, p. 60.
  2. ^ a b c d e f Gröner 1991, pp. 25–30.
  3. ^ Helgason, Guðmundur. "WWI U-boat commanders: Otto von Schrader (Royal House Order of Hohenzollern)". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 4 February 2015.
  4. ^ Helgason, Guðmundur. "WWI U-boat commanders: Walter Gude". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 4 February 2015.
  5. ^ Helgason, Guðmundur. "WWI U-boat commanders: Woldemar Petri". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 4 February 2015.
  6. ^ Helgason, Guðmundur. "WWI U-boat commanders: Otto von Schrader (Royal House Order of Hohenzollern)". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 4 February 2015.
  7. ^ Helgason, Guðmundur. "WWI U-boat commanders: Ernst Krieger". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 4 February 2015.
  8. ^ Helgason, Guðmundur. "Ships hit by UB 64". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 5 December 2014.

Bibliography