German submarine U-539

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Career (Nazi Germany)
Name: U-539
Ordered: 5 June 1941
Builder: Deutsche Werft, Hamburg
Yard number: 360
Laid down: 8 May 1942
Launched: 4 December 1942
Commissioned: 24 February 1943
Fate: Foundered, 4 December 1945
General characteristics [1]
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: 9.6 m (31 ft 6 in)
Draft: 4.67 m (15 ft 4 in)
Propulsion: 2 × MAN M 9 V 40/46 supercharged 9-cylinder diesel engines, 4,400 hp (3,281 kW)
2 × SSW GU 345/34 double-acting electric motors, 1,000 hp (746 kW)
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 nautical miles (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:
Service record[2][3]
Part of: 4th U-boat Flotilla
(24 February–30 June 1943)
10th U-boat Flotilla
(1 July 1943–30 September 1944)
33rd U-boat Flotilla
(1 October 1944–8 May 1945)
Commanders: Kptlt. Hans-Jürgen Lauterbach-Emden
(24 February 1943–8 May 1945)
Operations: 1st patrol: 14 September–23 October 1943
2nd patrol: 2 January–21 March 1944
3rd patrol: 1 May–22 September 1944
Victories: One commercial ship sunk (1,517 GRT)
two commercial ships damaged (12,896 GRT)

German submarine U-539 was a Type IXC/40 U-boat of Nazi Germany's Kriegsmarine during World War II. The submarine was laid down on 8 May 1942 at the Deutsche Werft yard in Hamburg as yard number 360, launched on 4 December 1942, and commissioned on 24 February 1943 under the command of Oberleutnant zur See Hans-Jürgen Lauterbach-Emden. After training with the 4th U-boat Flotilla in the Baltic Sea, the boat was transferred to the 10th U-boat Flotilla for front-line service on 1 July 1943. She carried out three war patrols, sinking one ship and damaged two more. Transferred to the 33rd U-boat Flotilla on 1 October 1944, she sailed on no further patrols, and surrendered to Allied forces in May 1945. Transferred from Bergen, Norway, to Loch Ryan, Scotland, she foundered on 4 December 1945 while being towed to the scuttling grounds as part of "Operation Deadlight".

Service history[edit]

1st patrol[edit]

The U-boat sailed from Kiel on 4 September 1943 for a three-day voyage to Bergen, before commencing her first war patrol on the 14th.[3] U-539 sailed out into the north Atlantic, and patrolled the waters between Iceland and Greenland. She had no successes, and was attacked by aircraft three times.

On 21 September the U-boat was attacked by a British Lockheed Hudson bomber of No. 269 Squadron RAF, southeast of Iceland. The submarine avoided the aircraft's bombs and depth charges, and escaped by diving. On 4 October a British B-24 Liberator bomber of 120 Squadron, escorting Convoy ONS-19 attacked, but was hit by the U-boat's flak, setting both starboard engines on fire and causing it to crash, killing all eight crew. The aircraft's depth charges caused only minor damage, and a crewman was slightly wounded by strafing. Finally, on 8 October, an unknown Liberator southeast of Greenland dropped two depth charges, causing serious damage to the U-boat.[4]

The U-boat arrived at Lorient in occupied France on 23 October 1943 after 40 days at sea.[3]

2nd patrol[edit]

U-539 departed Lorient on 2 January 1944, as the first U-boat to sail on combat patrol equipped with the Schnorchel breathing device. She sailed across the Atlantic to the waters south of Newfoundland, but had no successes. She returned to Saint-Nazaire on 21 March.[5]

3rd patrol[edit]

The U-boat departed from Saint-Nazaire for her third and final war patrol on 1 May 1944. She sailed back across the Atlantic and into the Caribbean Sea.[6] There, on 5 June, she torpedoed and sank the 1,517 ton Panama-registered Danish ship Pillory off Puerto Rico with the loss of 25 from her crew of 47.[7]

On 11 June, she fired two torpedoes at the 2,701 ton Dutch tanker Casandra, before surfacing to fire at the ship with her deck gun. However the ship fought back and damaged the U-boat with machine-gun fire, forcing her to break off the attack.[8]

The next day, 12 June, an American Mariner patrol bomber attacked the U-boat, but she got away once again.[2]

On 4 July, the U-539, attacked the 10,195 ton American Type T2 tanker Kittanning, about 40 miles northeast of Cristóbal, Panama, and hit her with three torpedoes, ripping a hole 65 feet long and 20 feet high on her starboard side. The crew of 74 abandoned ship in four lifeboats, but the tanker remained afloat. Two Coast Guard cutters, Marion and Crawford arrived to pick up the survivors and take the ship in tow to Cristobal.[9]

U-539 arrived at Flensburg on 22 September, after a patrol lasting 145 days, her longest.[3]

Fate[edit]

In mid-April 1945 U-539 sailed to Horten, then to Bergen in early May, arriving there three days before the German surrender on 8 May 1945.[3] The U-boat was transferred from Bergen to Loch Ryan in Scotland on 30 May 1945 for Operation Deadlight. On 4 December 1945, while under tow to the scuttling grounds she foundered in position 55°38′N 07°57′W / 55.633°N 7.950°W / 55.633; -7.950Coordinates: 55°38′N 07°57′W / 55.633°N 7.950°W / 55.633; -7.950.[2]

Summary of Raiding Career[edit]

Date Name Nationality Tonnage
(GRT)
Fate
5 June 1944 Pillory  Panama 1,517 Sunk
11 June 1944 Casandra  Netherlands 2,701 Damaged
4 July 1944 Kittanning  United States 10,195 Damaged

References[edit]

Notes
Bibliography
  • 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]