SM UC-64

History
German Empire
Name	UC-64
Ordered	12 January 1916
Builder	AG Weser, Bremen
Yard number	262
Laid down	3 April 1916
Launched	23 January 1917
Commissioned	22 February 1917
Fate	Sunk by mine, 20 June 1918
General characteristics
Class & type	Type UC II submarine
Displacement	422 t (415 long tons), surfaced; 504 t (496 long tons), submerged;
Length	51.85 m (170 ft 1 in) o/a; 40.40 m (132 ft 7 in) pressure hull;
Beam	5.22 m (17 ft 2 in) o/a; 3.65 m (12 ft) pressure hull;
Draught	3.67 m (12 ft 0 in)
Propulsion	2 × propeller shafts; 2 × 6-cylinder, 4-stroke diesel engines, 600 PS (440 kW; 590 shp); 2 × electric motors, 620 PS (460 kW; 610 shp);
Speed	11.9 knots (22.0 km/h; 13.7 mph), surfaced; 7.2 knots (13.3 km/h; 8.3 mph), submerged;
Range	8,000 nmi (15,000 km; 9,200 mi) at 7 knots (13 km/h; 8.1 mph) surfaced; 59 nmi (109 km; 68 mi) at 4 knots (7.4 km/h; 4.6 mph) submerged;
Test depth	50 m (160 ft)
Complement	26
Armament	6 × 100 cm (39.4 in) mine tubes; 18 × UC 200 mines; 3 × 50 cm (19.7 in) torpedo tubes (2 bow/external; one stern); 7 × torpedoes; 1 × 8.8 cm (3.5 in) Uk L/30 deck gun;
Notes	30-second diving time
Service record
Part of:	Flandern / Flandern II Flotilla; 13 May 1917 – 20 June 1918;
Commanders:	Oblt.z.S. Ernst Müller-Schwarz; 22 February – 12 September 1917; Oblt.z.S. Erich Hecht; 13 September 1917 – 22 February 1918; Oblt.z.S. Ferdinand Schwartz; 23 February – 20 June 1918;
Operations:	15 patrols
Victories:	26 merchant ships sunk ; (20,473 GRT); 4 merchant ships damaged ; (14,012 GRT);

SM UC-64 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, laid down on 3 April 1916, and was launched on 23 January 1917. She was commissioned into the German Imperial Navy on 22 February 1917 as SM UC-64. In 15 patrols UC-64 was credited with sinking 26 ships, either by torpedo or by mines laid. UC-64 was mined and sunk in the Dover Strait on 20 June 1918.

History

German Empire
Name	UC-64
Ordered	12 January 1916
Builder	AG Weser, Bremen
Yard number	262
Laid down	3 April 1916
Launched	23 January 1917
Commissioned	22 February 1917
Fate	Sunk by mine, 20 June 1918
General characteristics
Class & type	Type UC II submarine
Displacement	422 t (415 long tons), surfaced 504 t (496 long tons), submerged
Length	51.85 m (170 ft 1 in) o/a 40.40 m (132 ft 7 in) pressure hull
Beam	5.22 m (17 ft 2 in) o/a 3.65 m (12 ft) pressure hull
Draught	3.67 m (12 ft 0 in)
Propulsion	2 × propeller shafts 2 × 6-cylinder, 4-stroke diesel engines, 600 PS (440 kW; 590 shp) 2 × electric motors, 620 PS (460 kW; 610 shp)
Speed	11.9 knots (22.0 km/h; 13.7 mph), surfaced 7.2 knots (13.3 km/h; 8.3 mph), submerged
Range	8,000 nmi (15,000 km; 9,200 mi) at 7 knots (13 km/h; 8.1 mph) surfaced 59 nmi (109 km; 68 mi) at 4 knots (7.4 km/h; 4.6 mph) submerged
Test depth	50 m (160 ft)
Complement	26
Armament	6 × 100 cm (39.4 in) mine tubes 18 × UC 200 mines 3 × 50 cm (19.7 in) torpedo tubes (2 bow/external; one stern) 7 × torpedoes 1 × 8.8 cm (3.5 in) Uk L/30 deck gun
Notes	30-second diving time
Service record
Part of:	Flandern / Flandern II Flotilla 13 May 1917 – 20 June 1918
Commanders:	Oblt.z.S. Ernst Müller-Schwarz 22 February – 12 September 1917 Oblt.z.S. Erich Hecht 13 September 1917 – 22 February 1918 Oblt.z.S. Ferdinand Schwartz 23 February – 20 June 1918
Operations:	15 patrols
Victories:	26 merchant ships sunk (20,473 GRT) 4 merchant ships damaged (14,012 GRT)