Wikipedia

SM U-151

SM U-151 or SM Unterseeboot 151 ( ex U Oldenburg) was a World War I U-boat of the Imperial German Navy, constructed by Reiherstieg Schiffswerfte & Maschinenfabrik at Hamburg and launched on 4 April 1917. From 1917 until the Armistice in November 1918 she was part of the U-Kreuzer Flotilla, and was responsible for 34 ships sunk (88,395 GRT) and 7 ships damaged (13,267 GRT and 1,025 tons).[2]

U-151 at sea
History
German Empire
NameU-151
Ordered29 November 1916
BuilderReiherstieg Schiffswerfte & Maschinenfabrik, Hamburg
Yard number303
Launched4 April 1917
Commissioned21 July 1917
CapturedSurrendered to France at Cherbourg
FateSunk as target ship at Cherbourg, 7 June 1921
General characteristics [1]
Class and typeGerman Type U 151 submarine
Displacement
  • 1,512 tonnes (1,488 long tons) (surfaced)
  • 1,875 tonnes (1,845 long tons) (submerged)
  • 2,272 tonnes (2,236 long tons) (total)
Length
Beam
  • 8.90 m (29 ft 2 in) (o/a)
  • 5.80 m (19 ft) (pressure hull)
Height9.25 m (30 ft 4 in)
Draught5.30 m (17 ft 5 in)
Installed power
  • 800 PS (590 kW; 790 bhp) (surfaced)
  • 800 PS (590 kW; 790 bhp) (submerged)
Propulsion2 × shafts, 2 × 1.60 m (5 ft 3 in) propellers
Speed
  • 12.4 knots (23.0 km/h; 14.3 mph) surfaced
  • 5.2 knots (9.6 km/h; 6.0 mph) submerged
Range25,000 nmi (46,000 km; 29,000 mi) at 5.5 knots (10.2 km/h; 6.3 mph) surfaced, 65 nmi (120 km; 75 mi) at 3 knots (5.6 km/h; 3.5 mph) submerged
Test depth50 metres (160 ft)
Complement6 officers, 50 enlisted
Armament
Service record
Part of:
  • U-Kreuzer Flotilla
  • 21 July 1917 – 11 November 1918
Commanders:
  • K.Kapt. Waldemar Kophamel
  • 21 July –26 December 1917
  • K.Kapt. Heinrich von Nostitz und Jänckendorff
  • 27 December 1917 – 11 November 1918
Operations: 4 patrols
Victories:
  • 34 merchant ships sunk
    (88,395 GRT)
  • 6 merchant ships damaged
    (13,267 GRT)
  • 1 warship damaged
    (1,025 tons)

Background edit

U-151 was originally one of seven Deutschland class U-boats designed to carry cargo between the United States and Germany in 1916. Five of the submarine freighters were converted into long-range cruiser U-boats (U-kreuzers) equipped with two 15 cm (5.9 in) SK L/45 deck guns, including U-151 which was originally to have been named Oldenburg. The Type U 151 class were the largest U-boats of World War I.

Service history edit

U-151 was commissioned on 21 July 1917. From 21 July to 26 December 1917 she was commanded by Waldemar Kophamel who took U-151 on a long-range cruise which eventually covered a total of 12,000 miles. On 19 September 1917 U-151 claimed her first victim, the 3,104 GRT French sailing ship Blanche in the Atlantic Ocean. On 2 or 12 October 1917 (sources differ), she collided with the Royal Navy Q-ship HMS Begonia in the Atlantic Ocean off Casablanca, French Morocco, sinking Begonia.[3][4] On 20 November 1917 U-151 captured the steamship Johan Mjelde, and scuttled her on 26 November after transferring 22 tons of her cargo of copper.

American cruise edit

 
U-151 in French hands after the war, circa 1920

U-151 left Kiel on 14 April 1918 commanded by Korvettenkapitän Heinrich von Nostitz und Jänckendorff, her mission to attack American shipping. She arrived off the United States East Coast on 21 May, laid mines off the Delaware Capes and cut the submerged telegraph cables which connected New York City with Nova Scotia. On 25 May she stopped three American schooners off Virginia, took their crews prisoner, and sank the three ships by gunfire.

On 2 June 1918, known to some historians as "Black Sunday", U-151 sank six American ships and damaged one off the coast of New Jersey in the space of a few hours. The next day the tanker Herbert L. Pratt struck a mine previously laid by U-151 in the area, but the Pratt was later salvaged.[5] Thirteen people died in the seven sinkings, their deaths caused by a capsized lifeboat from SS Carolina.[6]

On 9 June 1918, U-151 stopped the Norwegian cargo ship Vindeggen off Cape Hatteras, North Carolina. Scuttling charges were rigged aboard her, then she was escorted outside the shipping lane under a prize crew. Von Nostitz then transferred 70 tons of copper ingots from Vindeggen to U-151.[7] On 14 June U-151 followed this with the sinking of the Norwegian barque Samoa, en route from Walvis Bay, South-West Africa, to Perth Amboy, New Jersey, with a cargo of copper ore, by gunfire 90 miles (140 km)s off the Virginia coast. There were no casualties.[8] On 18 June, U-151 sank the steamship SS Dwinsk, and then loitered near Dwinsk's lifeboats in the hopes that more Allied shipping would be attracted to them.[9] Through this ruse, she launched torpedoes at the U.S. Navy auxiliary cruiser and troopship USS Von Steuben, but missed and was instead depth charged by Von Steuben. On 28 June, U-151 captured SS Dictator and made its crew prisoners of war. Among those taken were four men from Newfoundland.

U-151 returned to Kiel on 20 July 1918 after a 94-day cruise in which she had covered a distance of 10,915 nmi (20,215 km; 12,561 mi). Her commander reported that she had sunk 23 ships totalling 61,000 tons and had laid mines responsible for the sinking of another four vessels.[10]

Fate edit

At the end of the war U-151 surrendered to France at Cherbourg. The French Navy sank her as a target on 7 June 1921.[11]

Summary of raiding history edit

Date Name Nationality Tonnage[Note 1] Fate[2]
19 September 1917 Blanche   France 3,104 Sunk
1 October 1917 Etna   Kingdom of Italy 5,604 Sunk
2 October 1917 Viajante   Portugal 377 Sunk
4 October 1917 Bygdønes   Norway 2,849 Sunk
12 October 1917 HMS Parthian   Royal Navy 1,025 Damaged
13 October 1917 Caprera   Kingdom of Italy 5,040 Sunk
19 October 1917 Harpon   France 1,484 Damaged
20 October 1917 Moyori Maru   Empire of Japan 3,746 Sunk
21 October 1917 Gryfevale   United Kingdom 4,437 Sunk
2 November 1917 Acary   Brazil 4,275 Sunk
2 November 1917 Guahyba   Brazil 1,891 Sunk
16 November 1917 Margaret L. Roberts   United States 535 Sunk
21 November 1917 Sobral   Norway 1,075 Sunk
22 November 1917 Tijuca   France 2,543 Sunk
23 November 1917 Trombetas   Portugal 235 Sunk
26 November 1917 Johan Mjelde   Norway 2,049 Sunk
4 December 1917 Claudio   Spain 2,588 Damaged
24 May 1918 Edna   United States 325 Damaged
25 May 1918 Hattie Dunn   United States 435 Sunk
25 May 1918 Hauppauge   United States 1,446 Damaged
2 June 1918 Carolina   United States 5,093 Sunk
2 June 1918 Edward H. Cole   United States 1,791 Sunk
2 June 1918 Edward R. Baird Jr   United States 279 Damaged
2 June 1918 Isabel B. Wiley   United States 776 Sunk
2 June 1918 Jacob M. Haskell   United States 1,778 Sunk
2 June 1918 Texel   United States 3,210 Sunk
2 June 1918 Winneconne   United States 1,869 Sunk
3 June 1918 Samuel C. Mengel   United States 915 Sunk
3 June 1918 Herbert L. Pratt   United States 7,145 Damaged
4 June 1918 Eidsvold   Norway 1,570 Sunk
5 June 1918 Harpathian   United Kingdom 4,588 Sunk
5 June 1918 Vinland   Norway 1,143 Sunk
8 June 1918 Pinar Del Rio   United States 2,504 Sunk
10 June 1918 Henrik Lund   Norway 4,226 Sunk
10 June 1918 Vindeggen   Norway 3,179 Sunk
14 June 1918 Kringsjaa   Norway 1,750 Sunk
14 June 1918 Samoa   Norway 1,138 Sunk
18 June 1918 Dwinsk   United Kingdom 8,173 Sunk
22 June 1918 Chilier   Belgium 2,966 Sunk
23 June 1918 Augvald   Norway 3,406 Sunk
28 June 1918 Dictator   United Kingdom 125 Sunk

See also edit

Notes edit

  1. ^ Merchant ship tonnages are in gross register tons. Military vessels are listed by tons displacement.

Citations edit

  1. ^ Gröner 1991, pp. 20–21.
  2. ^ a b Helgason, Guðmundur. "Ships hit by U 151". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 5 June 2018.
  3. ^ "BRITISH NAVAL VESSELS LOST AT SEA Part 1 of 2 - Abadol (oiler) to Lynx (destroyer)". Naval History. Retrieved 2 February 2013.
  4. ^ "HMS BEGONIA". Clydebuilt. Archived from the original on 11 March 2016. Retrieved 3 February 2013.{{cite web}}: CS1 maint: unfit URL (link)
  5. ^ Evening Public Ledger 1918, p. 1
  6. ^ ""Black Sunday" – Victims of U-151". Scuba Diving – New Jersey & Long Island New York. Archived from the original on 2 March 2009.
  7. ^ Hadley, Michael L.; Roger Flynn Sarty (1991). Tin-pots and Pirate Ships. McGill-Queen's Press. pp. 244–245. ISBN 0-7735-0778-7.
  8. ^ "SV Samoa (+1918)". Wrecksite. Retrieved 21 October 2022.
  9. ^ "S/S C. F. Tietgen, Scandinavian America Line". Norway-Heritage. Retrieved 20 February 2008.
  10. ^ Gibson & Prendergast 2002, p. 308.
  11. ^ McCartney 2002.

Bibliography edit

  • Evening Public Ledger (5 June 1918). "Stung by the Sea Asp, the Tanker Pratt lay partially submerged off Lewes". Evening Public Ledger. Philadelphia. OCLC 701513196. Retrieved 5 June 2018.
  • Gibson, R.H.; Prendergast, Maurice (2002). The German Submarine War 1914-1918. Periscope Publishing Ltd. ISBN 1-904381-08-1.
  • Gröner, Erich; 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.
  • Jung, Dieter (2004). Die Schiffe der Kaiserlichen Marine 1914-1918 und ihr Verbleib [German Imperial Navy ships 1914-1918 and their fate] (in German). Bonn: Bernard & Graefe. ISBN 3-7637-6247-7.
  • McCartney, Innes (2002). Lost patrols : submarine wrecks of the English Channel. Penzance: Periscope. ISBN 978-1-90438-104-4.
  • Karl Plath: U-Kreuzer 151 greift an. U-Kreuzerfahrten nach Afrika und Amerika, Potsdam (Voggenreiter) 1937. English edition: Celestino Corraliza (Ed.): U-Cruiser 151 Attacks, Trident Publishing 2022. ISBN 1959764551. ISBN 978-1959764557

External links edit

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