SM UC-22

History
German Empire
Name	UC-22
Ordered	29 August 1915
Builder	Blohm & Voss, Hamburg
Yard number	272
Launched	1 February 1916
Commissioned	30 June 1916
Fate	Surrendered, 3 February 1919; broken up, July 1921
General characteristics
Class & type	Type UC II submarine
Displacement	417 t (410 long tons), surfaced; 493 t (485 long tons), submerged;
Length	49.35 m (161 ft 11 in) o/a; 39.30 m (128 ft 11 in) pressure hull;
Beam	5.22 m (17 ft 2 in) o/a; 3.65 m (12 ft) pressure hull;
Draught	3.68 m (12 ft 1 in)
Propulsion	2 × propeller shafts; 2 × 6-cylinder, 4-stroke diesel engines, 500 PS (370 kW; 490 bhp); 2 × electric motors, 460 PS (340 kW; 450 shp);
Speed	11.6 knots (21.5 km/h; 13.3 mph), surfaced; 7.0 knots (13.0 km/h; 8.1 mph), submerged;
Range	9,430 nmi (17,460 km; 10,850 mi) at 7 knots (13 km/h; 8.1 mph) surfaced; 55 nmi (102 km; 63 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	35-second diving time
Service record
Part of:	Pola / Mittelmeer / Mittelmeer II Flotilla; 12 October 1916 – 11 November 1918;
Commanders:	Oblt.z.S. Heino von Heimburg; 1 July 1916 – 13 July 1917; Oblt.z.S. Erich Wiesenbach; 14 July – 16 October 1917; Oblt.z.S. Carl Bünte; 1 January – 16 May 1918; Oblt.z.S. Eberhard Weichold; 17 May – 29 November 1918;
Operations:	15 patrols
Victories:	20 merchant ships sunk ; (38,141 GRT); 1 warship sunk ; (414 tons); 2 auxiliary warships sunk ; (3,210 GRT); 3 merchant ships damaged ; (14,012 GRT);

SM UC-22 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 29 August 1915 and was launched on 1 February 1916. She was commissioned into the German Imperial Navy on 30 June 1916 as SM UC-22. In 15 patrols UC-22 was credited with sinking 23 ships, either by torpedo or by mines laid. UC-22 was surrendered to France on 3 February 1919 and was broken up at Landerneau in July 1921.

History

German Empire
Name	UC-22
Ordered	29 August 1915
Builder	Blohm & Voss, Hamburg
Yard number	272
Launched	1 February 1916
Commissioned	30 June 1916
Fate	Surrendered, 3 February 1919; broken up, July 1921
General characteristics
Class & type	Type UC II submarine
Displacement	417 t (410 long tons), surfaced 493 t (485 long tons), submerged
Length	49.35 m (161 ft 11 in) o/a 39.30 m (128 ft 11 in) pressure hull
Beam	5.22 m (17 ft 2 in) o/a 3.65 m (12 ft) pressure hull
Draught	3.68 m (12 ft 1 in)
Propulsion	2 × propeller shafts 2 × 6-cylinder, 4-stroke diesel engines, 500 PS (370 kW; 490 bhp) 2 × electric motors, 460 PS (340 kW; 450 shp)
Speed	11.6 knots (21.5 km/h; 13.3 mph), surfaced 7.0 knots (13.0 km/h; 8.1 mph), submerged
Range	9,430 nmi (17,460 km; 10,850 mi) at 7 knots (13 km/h; 8.1 mph) surfaced 55 nmi (102 km; 63 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	35-second diving time
Service record
Part of:	Pola / Mittelmeer / Mittelmeer II Flotilla 12 October 1916 – 11 November 1918
Commanders:	Oblt.z.S. Heino von Heimburg 1 July 1916 – 13 July 1917 Oblt.z.S. Erich Wiesenbach 14 July – 16 October 1917 Oblt.z.S. Carl Bünte 1 January – 16 May 1918 Oblt.z.S. Eberhard Weichold 17 May – 29 November 1918
Operations:	15 patrols
Victories:	20 merchant ships sunk (38,141 GRT) 1 warship sunk (414 tons) 2 auxiliary warships sunk (3,210 GRT) 3 merchant ships damaged (14,012 GRT)