German submarine U-745

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Career (Nazi Germany)
Name: U-745
Ordered: 5 June 1941
Builder: Schichau-Werke, Danzig
Laid down: 8 July 1942
Launched: 16 April 1943
Commissioned: 19 June 1943
Fate: Lost at sea on 30 January 1945 off the Gulf of Finland
General characteristics [1]
Class and type: Type VIIC submarine
Displacement: 769 tonnes (757 long tons) surfaced
871 t (857 long tons) submerged
Length: 67.1 m (220 ft 2 in) o/a
50.5 m (165 ft 8 in) pressure hull
Beam: 6.2 m (20 ft 4 in) o/a
4.7 m (15 ft 5 in) pressure hull
Height: 9.6 m (31 ft 6 in)
Draft: 4.74 m (15 ft 7 in)
Propulsion: 2 × supercharged Germaniawerft 6-cylinder 4-stroke F46 diesel engines, totalling 2,800–3,200 bhp (2,100–2,400 kW). Max rpm: 470-490
2 × electric motors, totalling 750 shp (560 kW) and max rpm: 296
Speed: 17.7 knots (32.8 km/h; 20.4 mph) surfaced
7.6 knots (14.1 km/h; 8.7 mph) submerged
Range: 8,500 nmi (15,700 km; 9,800 mi) at 10 knots (19 km/h; 12 mph) surfaced
80 nmi (150 km; 92 mi) at 4 knots (7.4 km/h; 4.6 mph) submerged
Test depth: 230 m (750 ft)
Crush depth: 250–295 m (820–968 ft)
Complement: 44–52 officers & ratings
Armament:
Service record[2]
Part of: 8th U-boat Flotilla
(19 June 1943 - 1 May 1944) - Training
8th U-boat Flotilla
(1 May 1944 - 31 January 1945)
Commanders: Kapt.z.S. Wilhelm von Trotha
(19 June 1943 - 31 January 1945)
Operations: 1st patrol:
9 June – 7 July 1944
2nd patrol:
23-27 August 1944
3rd patrol:
11 September - 20 October 1944
4th patrol:
23 December 1944 - 31 January 1945
Victories: 1 warship sunk (600 tons)
1 auxialiary warship sunk (140 GRT)

U-745 was a Type VIIC U-Boat built for Nazi Germany's Kriegsmarine for service during World War II, and which was lost at sea on 30 January 1945.

U-745 was launched on 16 April 1943, under the command of Wilhelm von Trotha, who would remain its commanding officer for its entire service. U-745 had a crew of 45.

Service History[edit]

She undertook four patrols during her service, and sank one allied auxiliary ship (the Soviet minesweeping trawler T-45 Antikajnen (No 48) and one allied warship (the Soviet fleet minesweeper T-76 Korall).

Fate[edit]

On 30 January 1945, she was lost with all hands in the Gulf of Finland, probably having sunk by a mine laid by the Finnish minelayers Louhi and Ruotsinsalmi on 12 January 1945.

Wilhelm von Trotha's body was later found near Foglo, Finland, and was buried three days later. No other bodies were recovered. Unlike most U-Boats, which suffered casualties during the course of service due to accidents or other causes, U-745 suffered no casualties at all, until the time of her disappearance.

In late 2012 the Finnish diving team 'Badewanne', after 10 years of searching, reported they had found both U-676 and U-745 in the Gulf of Finland south of Hanko.[2]

Summary of raiding career[edit]

Date Ship Name Nationality Tonnage (GRT) Fate[3]
26 August 1944 T-45 Antikajnen (No. 48)  Soviet Navy 140 Sunk
11 January 1945 T-76 Korall  Soviet Navy 600 Sunk

References[edit]

  1. ^ Gröner 1985, pp. 72-74.
  2. ^ a b Helgason, Guðmundur. "The Type VIIC boat U-745". German U-boats of WWII - uboat.net. Retrieved 16 October 2014. 
  3. ^ Helgason, Guðmundur. "Ships hit by U-745". German U-boats of WWII - uboat.net. Retrieved 10 February 2014. 

Bibliography[edit]

  • Busch, Rainer; Röll, Hans-Joachim (1999). Deutsche U-Boot-Verluste von September 1939 bis Mai 1945. Der U-Boot-Krieg (in German) IV (Hamburg, Berlin, Bonn: Mittler). ISBN 3-8132-0514-2. 
  • Gröner, Erich (1985). U-Boote, Hilfskreuzer, Minenschiffe, Netzleger, Sperrbrecher. Die deutschen Kriegsschiffe 1815-1945 (in German) III (Koblenz: Bernard & Graefe). ISBN 3-7637-4802-4. 

External links[edit]

Coordinates: 59°30′N 23°00′E / 59.500°N 23.000°E / 59.500; 23.000