German submarine U-846

History
Nazi Germany
Name	U-846
Ordered	20 January 1941
Builder	DeSchiMAG AG Weser, Bremen
Yard number	1052
Laid down	21 July 1942
Launched	17 February 1943
Commissioned	29 May 1943
Fate	Sunk by aircraft in position 46°4′N 9°20′W / 46.067°N 9.333°W on 4 May 1944
General characteristics
Class and type	Type IXC/40 submarine
Displacement	1,144 t (1,126 long tons) surfaced; 1,257 t (1,237 long tons) submerged;
Length	76.76 m (251 ft 10 in) o/a; 58.75 m (192 ft 9 in) pressure hull;
Beam	6.86 m (22 ft 6 in) o/a; 4.44 m (14 ft 7 in) pressure hull;
Height	9.60 m (31 ft 6 in)
Draught	4.67 m (15 ft 4 in)
Installed power	4,400 PS (3,200 kW; 4,300 bhp) (diesels); 1,000 PS (740 kW; 990 shp) (electric);
Propulsion	2 shafts; 2 × diesel engines; 2 × electric motors;
Speed	19 knots (35 km/h; 22 mph) surfaced; 7.3 knots (13.5 km/h; 8.4 mph) submerged;
Range	13,850 nmi (25,650 km; 15,940 mi) at 10 knots (19 km/h; 12 mph) surfaced; 63 nmi (117 km; 72 mi) at 4 knots (7.4 km/h; 4.6 mph) submerged;
Test depth	230 m (750 ft)
Complement	4 officers, 44 enlisted
Armament	6 × torpedo tubes (4 bow, 2 stern); 22 × 53.3 cm (21 in) torpedoes; 1 × 10.5 cm (4.1 in) SK C/32 deck gun (180 rounds); 1 × 3.7 cm (1.5 in) SK C/30 AA gun; 1 × twin 2 cm FlaK 30 AA guns;
Service record
Part of:	4th U-boat Flotilla; 29 May – 30 November 1943; 10th U-boat Flotilla; 1 December 1943 – 4 May 1944;
Identification codes:	M 51 907
Commanders:	Oblt.z.S.d.R. Berthold Hashagen; 29 May 1943 – 4 May 1944;
Operations:	2 patrols:; 1st patrol:; 4 December 1943 – 3 March 1944; 2nd patrol:; 29 April – 4 May 1944;
Victories:	None

German submarine U-846 was a

Type IXC/40 U-boat built for Nazi Germany's Kriegsmarine during World War II

.

Design

supercharged four-stroke, nine-cylinder diesel engines producing a total of 4,400 metric horsepower (3,240 kW; 4,340 shp) for use while surfaced, two Siemens-Schuckert 2 GU 345/34 double-acting electric motors producing a total of 1,000 shaft horsepower (1,010 PS; 750 kW) for use while submerged. She had two shafts and two 1.92 m (6 ft) propellers. The boat was capable of operating at depths of up to 230 metres (750 ft).^[1]

The submarine had a maximum surface speed of 18.3 knots (33.9 km/h; 21.1 mph) and a maximum submerged speed of 7.3 knots (13.5 km/h; 8.4 mph).

2 cm (0.79 in) C/30 anti-aircraft gun. The boat had a complement of forty-eight.^[1]

Service history

U-846 was ordered on 20 January 1941 from

yard number 1052. Her keel was laid down on 21 July 1942. The U-boat was launched the following year on 17 February 1943. On 29 May she was commissioned into service under the command of Oberleutnant zur See der Reserve Berthold Hashagen (Crew 37) in 4th U-boat Flotilla

.

After completing training, U-846 was transferred to

407 Squadron RCAF, sank U-846 in position 46°6′N 9°20′W / 46.100°N 9.333°W.^[2]

References

^ ^a ^b ^c ^d Gröner 1991, p. 68.
^ Busch & Röll 1999, p. 230.

Bibliography

Busch, Rainer; Röll, Hans-Joachim (1999). German U-boat commanders of World War II: a biographical dictionary. Translated by Brooks, Geoffrey. London, Annapolis, Md: Greenhill Books, Naval Institute Press.
ISBN 1-55750-186-6
.

Busch, Rainer; Röll, Hans-Joachim (1999). Der U-Boot-Krieg, 1939-1945: Deutsche U-Boot-Verluste von September 1939 bis Mai 1945 [German U-boat losses from September 1939 to May 1945] (in German). Vol. IV. Hamburg, Berlin, Bonn: Mittler.
ISBN 3-8132-0514-2
.

Gröner, Eric; Jung, Dieter; Maass, Martin (1991). German Warships 1815-1945: U-boats and Mine Warfare Vessels. Vol. 2. Translated by Thomas, Keith; Magowan, Rachel. London: Conway Maritime Press.
ISBN 0-85177-593-4
.

External links

Helgason, Guðmundur. "The Type IXC/40 boat U-846". German U-boats of WWII - uboat.net. Retrieved 2 February 2015.

[FOOTNOTEGröner199168-1] Gröner 1991, p. 68.

[FOOTNOTEBuschRöll1999230-2] Busch & Röll 1999, p. 230.

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