German submarine U-2506

German World War II submarine

History
Nazi Germany
NameU-2506
Ordered6 November 1943
BuilderBlohm & Voss, Hamburg
Yard number2506
Laid down29 May 1944
Launched5 August 1944
Commissioned31 August 1944
Fate
  • Surrendered on 9 May 1945 at Bergen, Norway
  • Sunk on 5 January 1946 during Operation Deadlight
General characteristics
Class and typeType XXI submarine
Displacement
  • 1,621 t (1,595 long tons) surfaced
  • 2,100 t (2,067 long tons) submerged
Length76.70 m (251 ft 8 in) (o/a)
Beam8 m (26 ft 3 in)
Height11.30 m (37 ft 1 in)
Draught6.32 m (20 ft 9 in)
Propulsion
  • Diesel/Electric
  • 2 × MAN M6V40/46KBB supercharged 6-cylinder diesel engines, 4,000 PS (2,900 kW; 3,900 shp)
  • 2 × SSW GU365/30 double-acting electric motors, 5,000 PS (3,700 kW; 4,900 shp)
  • 2 × SSW GV232/28 silent running electric motors, 226 PS (166 kW; 223 shp)
Speed
  • Surfaced:
  • 15.6 knots (28.9 km/h; 18.0 mph) (diesel)
  • 17.9 knots (33.2 km/h; 20.6 mph) (electric)
  • Submerged:
  • 17.2 knots (31.9 km/h; 19.8 mph) (electric)
  • 6.1 knots (11.3 km/h; 7.0 mph) (silent running motors)
Range
  • 15,500 nmi (28,700 km; 17,800 mi) at 10 knots (19 km/h; 12 mph) surfaced
  • 340 nmi (630 km; 390 mi) at 5 knots (9.3 km/h; 5.8 mph) submerged
Test depth240 m (790 ft)
Complement5 officers, 52 enlisted
Sensors and
processing systems
  • Type F432 D2 Radar Transmitter
  • FuMB Ant 3 Bali Radar Detector
Armament
  • 6 × bow torpedo tubes
  • 23 × 53.3 cm (21 in) torpedoes (or 17 × torpedoes and 12 × nmines)
  • 4 × 2 cm (0.79 in) C/30 AA guns
Service record
Part of:
Identification codes: M 41 996
Commanders:
Operations: None
Victories: None

German submarine U-2506 was a Type XXI U-boat (one of the "Elektroboote") of Nazi Germany's Kriegsmarine, built for service in World War II. The submarine was laid down on 29 May 1944 at the Blohm & Voss yard at Hamburg, launched on 5 August 1944, and commissioned on 31 August 1944 under the command of Kapitänleutnant Horst von Schroeter, who commanded her until 9 May 1945.[1] U-2506 conducted no patrols, and surrendered on 9 May 1945 in Bergen, Norway. She was then transferred to Lerwick on 18 June 1945, then Lisahally on 21 June 1945. She was sunk on 5 January 1946 at 55°37′N 07°30′W / 55.617°N 7.500°W / 55.617; -7.500.[2]

Design

Like all Type XXI U-boats, U-2506 had a displacement of 1,621 tonnes (1,595 long tons) when at the surface and 1,819 tonnes (1,790 long tons) while submerged. She had a total length of 76.70 m (251 ft 8 in) (o/a), a beam of 8 m (26 ft 3 in), and a draught of 6.32 m (20 ft 9 in).[3] The submarine was powered by two MAN SE supercharged six-cylinder M6V40/46KBB diesel engines each providing 4,000 metric horsepower (2,900 kilowatts; 3,900 shaft horsepower), two Siemens-Schuckert GU365/30 double-acting electric motors each providing 5,000 PS (3,700 kW; 4,900 shp), and two Siemens-Schuckert silent running GV232/28 electric motors each providing 226 PS (166 kW; 223 shp).[3]

The submarine had a maximum surface speed of 15.6 knots (28.9 km/h; 18.0 mph) and a submerged speed of 17.2 knots (31.9 km/h; 19.8 mph). When running on silent motors the boat could operate at a speed of 6.1 knots (11.3 km/h; 7.0 mph). When submerged, the boat could operate at 5 knots (9.3 km/h; 5.8 mph) for 340 nautical miles (630 km; 390 mi); when surfaced, she could travel 15,500 nautical miles (28,700 km; 17,800 mi) at 10 knots (19 km/h; 12 mph).[3] U-2506 was fitted with six 53.3 cm (21.0 in) torpedo tubes in the bow and four 2 cm (0.79 in) C/30 anti-aircraft guns. She could carry twenty-three torpedoes or seventeen torpedoes and twelve mines. The complement was five officers and fifty-two men.[3]

References

  1. ^ a b Helgason, Guðmundur. "Horst von Schroeter (Knight's Cross)". German U-boats of World War II – Uboat.net. Retrieved 29 April 2015.
  2. ^ Helgason, Guðmundur. "The Type XXI boat U-2506". German U-boats of WWII – uboat.net. Retrieved 26 November 2015.
  3. ^ a b c d Gröner 1991, p. 85.

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, Erich; Jung, Dieter; Maass, Martin (1991). U-boats and Mine Warfare Vessels. German Warships 1815–1945. Vol. 2. Translated by Thomas, Keith; Magowan, Rachel. London: Conway Maritime Press. ISBN 0-85177-593-4.
  • Helgason, Guðmundur. "The Type XXI boat U-2506". German U-boats of WWII – uboat.net. Retrieved 29 April 2015.
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Shipwrecks and maritime incidents in 1946
Shipwrecks
  • 1 Jan: USS Dorsey
  • 2 Jan: U-516, U-2502
  • 3 Jan: Empire Tigachi, U-825, U-2336, U-2351
  • 5 Jan: U-541, U-901, U-2506
  • 6 Jan: U-1109, U-2356
  • 7 Jan: U-1010, U-1023, U-2511
  • 8 Jan: HMS Safari
  • 14 Jan: USS Snowbell, USS Southard
  • 28 Jan: Bluenose
  • 30 Jan: Luray Victory
  • January (unknown date): Akagi Maru
  • 2 Feb: U-764
  • 3 Feb: I-505
  • 5 Feb: U-1228
  • 10 Feb: U-975
  • 12 Feb: I-501, U-3514
  • 14 Feb: Fulham VII
  • 15 Feb: I-502, I-506
  • February (unknown date): U-1197
  • 1 Mar: Sackett's Harbor
  • 4 Mar: USS Extricate
  • 6 Mar: George W. Norris
  • 11 Mar: USS Roche
  • 16 Mar: Karl Leonhardt
  • 26 Mar: Z34
  • 27 Mar: HM LST-405
  • 1 Apr: Charles S. Haight, Ha-103, Ha-105, Ha-106, Ha-107, Ha-108, Ha-109, Ha-111, Ha-201, Ha-202, Ha-203, Ha-208, I-36, I-47, I-53, I-58, I-156, I-157, I-158, I-159, I-162, I-366, I-367, I-402, Ro-50
  • 4 Apr: USS S-35
  • 5 Apr: Ha-207, Ha-210, Ha-216, I-202, Ro-31
  • 8 Apr: USS Despatch
  • 9 Apr: Empire Bridge
  • 16 Apr: I-503, I-504
  • 21 Apr: Empire Christopher
  • 24 Apr: Alfios
  • 30 Apr: Georgetown Victory, I-121, Ro-68, Ro-500, USS Solar, HMS Stubborn, HMAS Tolga
  • 1 May: HMS Tarantula
  • 8 May: I-153, I-154, I-155
  • 9 May: Ha-205
  • 14 May: USS Bellona
  • 21 May: I-203
  • 23 May: I-201
  • 24 May: DD-224 (ex-USS Stewart)
  • 28 May: I-14
  • 31 May: I-401
  • May (unknown date): Ro-62, Ro-63
  • 4 Jun: I-400, Kunashiri
  • 7 Jun: Kamikaze
  • 8 Jun: Myōkō
  • 9 Jun: USS Solar
  • 1 Jul: USS Anderson, USS Carlisle, USS Gilliam, USS Lamson, Sakawa
  • 25 Jul: USS Apogon, USS Arkansas, USS LSM-60, USS Pilotfish, USS Saratoga, USS Skipjack
  • 30 Jul: Nagato
  • 2 Aug: Empire Cross
  • August (unknown date): I-372
  • 19 Sep: Ohio
  • 16 Oct: Cassius Hudson
  • 17 Oct: HMAS Waree
  • 19 Oct: Takao
  • 13 Nov: U-977
  • 20 Nov: Albany
  • 27 Nov: Laksnes
  • 2 Dec: HMCS Middlesex
  • 6 Dec: N35
  • 8 Dec: Liberté, HMS Saltburn
  • 16 Dec: Leipzig, Z29
  • 22 Dec: Prinz Eugen
  • 24 Dec: Northeastern Victory
  • 26 Dec: Brigadier General M. G. Zalinski
  • 31 Dec: Monte Pascoal, Schwabenland
  • Unknown date: Claus Von Bevern, HMS Truant, Yu 1007
Other incidents