German submarine U-436
|Career (Nazi Germany)|
|Ordered:||16 October 1939|
|Laid down:||25 April 1940|
|Launched:||21 June 1941|
|Commissioned:||27 September 1941|
|Fate:||Sunk in mid-Atlantic by Allied warships, May 1943|
|General characteristics |
|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 PS (2,800–3,200 bhp; 2,100–2,400 kW). Max rpm: 470-490
2 × electric motors, totalling 750 PS (740 shp; 550 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 and ratings|
|Part of:||5th U-boat Flotilla
(27 September 1941–31 January 1942)
7th U-boat Flotilla
(1 February–30 June 1942)
11th U-boat Flotilla
(1 July–31 August 1942)
6th U-boat Flotilla
(1 September 1942–26 May 1943)
|Commanders:||Kptlt. Günther Seibicke
(27 September 1941–26 May 1943)
2–17 February 1942
26 February–24 March 1942
7–20 April 1942
29 April–4 May 1942
12–27 May 1942
6 October–12 November 1942
17 December 1942–19 February 1943
25 April–26 May 1943
|Victories:||Six ships sunk, total 36,208 GRT;
one warship sunk - 1,340 tons;
two ships damaged, total 15,575 GRT
She carried out eight patrols.
She sank six ships, total 36,208 gross register tons (GRT); and one warship of 291 tons. Two ships were damaged, totalling 15,575 GRT.
She was a member of ten wolfpacks.
She was sunk by Allied warships in mid-Atlantic, in May 1943.
The submarine was laid down on 25 April 1940 at Schichau-Werke in Danzig (now Gdansk, Poland) as yard number 1478, launched on 21 June 1941 and commissioned on 27 September 1941 under the command of Kapitänleutnant Günther Seibicke.
She served with the 5th U-boat Flotilla from 27 September 1941 for training and the 7th flotilla from 1 February 1942 for operations. She was reassigned, first to the 11th flotilla on 1 July, then the 6th flotilla on 1 September.
2nd and 3rd patrols
The boat's initial success came when she sank the Soviet trawler RT-19 Komitern on 1 March 1942 east of Murmansk.
The submarine's third sortie commenced with her departure from Kirkenes on 7 April 1942. On the 13th, she sank the Soviet Kiev north of the North Cape. The vessel went down in seven minutes.
4th and 5th patrols
U-436 carried out her fourth and fifth patrols from Kirkenes and Trondheim. They were followed by a series of journeys which were not recognized as patrols. At their end, she was back in Kiel.
On the 27th, she torpedoed, but did not sink, the Norwegian Frontenac in mid-Atlantic. The ship's bow section was badly damaged, so much so that her propeller was raised out of the water. The accompanying fire was extinguished by a large wave; the ship was pumped out and she was capable of moving under her own power. During the same attack, she sank the Sourabaya. Also lost was the landing craft HMS LCT-2281 which had been carried on deck. Two days later, the boat sank the Barrwhinn.
She arrived at Lorient in occupied France on 12 November.
Patrol number seven saw U-436 sink the Albert L. Ellsworth south of the Azores on 8 January 1943. The ship had been abandoned after being hit by a torpedo but remained afloat. The wreck was sunk by gunfire from the U-boat the following evening.
8th patrol and loss
By now based at St. Nazaire, she left the French port on 25 April 1943. A day later she was attacked and sunk west of Cape Ortegal in northwest Spain by depth charges from the frigate HMS Test and the corvette HMS Hyderabad.
Forty-seven men went down with U-436; there were no survivors.
U-436 took part in ten wolfpacks, namely.
- Umbau (7–16 February 1942)
- Umhang (10–16 March 1942)
- Robbenschlag (7–14 April 1942)
- Blutrausch (15–19 April 1942)
- Strauchritter (29 April - 1 May 1942)
- Greif (14–26 May 1942)
- Puma (16–29 October 1942)
- Natter (30 October - 6 November 1942)
- Delphin (26 December 1942 - 12 February 1943)
- Drossel (29 April - 15 May 1943)
Summary of raiding career
|1 March 1942||RT-19 Komintern||Soviet Union||577||Sunk|
|13 April 1942||Kiev||Soviet Union||5,823||Sunk|
|27 October 1942||Frontenac||Norway||7,350||Damaged|
|27 October 1942||Gurney E. Newlin||United States||8,225||Damaged|
|27 October 1942||HMS LCT-2281*||Royal Navy||291||Sunk|
|27 October 1942||Sourabaya||United Kingdom||10,107||Sunk|
|29 October 1942||Barrwhin||United Kingdom||4,998||Sunk|
|8 January 1943||Albert L. Ellsworth||Norway||5,283||Sunk|
|8 January 1943||Oltenia II||United Kingdom||6,394||Sunk|
* Carried by Sourabaya
- 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.
- Kemp, Paul (1999). U-Boats Destroyed - German Submarine Losses in the World Wars. London: Arms & Armour. ISBN 1-85409-515-3.
- Helgason, Guðmundur. "The Type VIIC boat U-436". German U-boats of WWII - uboat.net. Retrieved 26 December 2014.
- U-436 at ubootwaffe.net[dead link]