Back غواصة يو-90 Arabic U 90 (U-Boot, 1917) German اس‌ام یو-۹۰ Persian Unterseeboot 90 (1917) French SM U-90 (1917) Polish U-90号潜艇 (1917年) Chinese

SM U-90

For other ships with the same name, see German submarine U-90.
History
German Empire
NameU-90
Ordered23 June 1915
BuilderKaiserliche Werft Danzig
Yard number34
Laid down29 December 1915
Launched12 January 1917
Commissioned2 August 1917
FateSurrendered 20 November 1918; foundered in tow 1919
General characteristics [1]
Class and typeType U 87 submarine
Displacement
  • 757 t (745 long tons) surfaced
  • 998 t (982 long tons) submerged
Length
Beam
  • 6.20 m (20 ft 4 in) (o/a)
  • 4.18 m (13 ft 9 in) (pressure hull)
Height9.35 m (30 ft 8 in)
Draught3.88 m (12 ft 9 in)
Installed power
  • 2 × 2,400 PS (1,765 kW; 2,367 shp) surfaced
  • 2 × 1,200 PS (883 kW; 1,184 shp) submerged
Propulsion2 shafts, 2 × 1.66 m (5 ft 5 in) propellers
Speed
  • 16.8 knots (31.1 km/h; 19.3 mph) surfaced
  • 9.1 knots (16.9 km/h; 10.5 mph) submerged
Range
  • 11,380 nmi (21,080 km; 13,100 mi) at 8 knots (15 km/h; 9.2 mph) surfaced
  • 56 nmi (104 km; 64 mi) at 5 knots (9.3 km/h; 5.8 mph) submerged
Test depth50 m (160 ft)
Complement4 officers, 32 enlisted
Armament
Service record
Part of:
  • III Flotilla
  • 10 September 1917 – 11 November 1918
Commanders:
  • Kptlt. Walter Remy[2]
  • 2 August 1917 – 31 July 1918
  • Oblt.z.S. Helmut Patzig[3]
  • 1–31 August 1918
  • Kptlt. Heinrich Jeß[4]
  • 1 September – 11 November 1918
Operations: 7 patrols
Victories:
  • 28 merchant ships sunk
    (49,348 GRT)
  • 2 auxiliary warship sunk
    (24,827 GRT)
  • 1 merchant ships damaged
    (3,405 GRT)
  • 1 auxiliary warship damaged
    (5,189 GRT)

SM U-90 was a Type U-87 U-boat of the Imperial German Navy during World War I.[5] Its commander Walter Remy made regular stops at remote island North Rona for provisions such as fresh mutton. On 15 May 1918, U-90 shelled the Hirta wireless station in St Kilda, Scotland. On 31 May 1918, U-90 torpedoed and sank USS President Lincoln, a former Hamburg America Line steamer that had been seized by the United States for troop transportation. From the U.S. Navy crew that abandoned the sinking vessel, U-90 captured Lieutenant Edouard Izac, eventually taking him to Germany. Izac later escaped German captivity and reported to the US Navy about German submarine movements.

U-90 was surrendered to the Allies at Harwich on 20 November 1918 in accordance with the requirements of the Armistice with Germany, and later laid up at Pembroke. She was to be loaned to Belgium, and was en route there in tow from Pembroke when she foundered off the Isle of Wight on 29 November 1919.[6]

  1. ^ Gröner 1991, pp. 12–14.
  2. ^ Helgason, Guðmundur. "WWI U-boat commanders: Walter Remy (Royal House Order of Hohenzollern)". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 21 January 2015.
  3. ^ Helgason, Guðmundur. "WWI U-boat commanders: Helmut Patzig (Royal House Order of Hohenzollern)". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 21 January 2015.
  4. ^ Helgason, Guðmundur. "WWI U-boat commanders: Heinrich Jeß (Royal House Order of Hohenzollern)". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 21 January 2015.
  5. ^ Helgason, Guðmundur. "WWI U-boats: U 90". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 25 January 2010.
  6. ^ Dodson, Aidan; Cant, Serena (2020). Spoils of War: the fate of enemy fleets after the two World Wars. Barnsley: Seaforth. pp. 31, 98, 124. ISBN 978-1-5267-4198-1.
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