History
German Empire
Name U-101
Ordered 15 September 1915
Builder AG Weser , Bremen
Yard number 252
Laid down 30 November 1915
Launched 1 April 1917
Commissioned 15 May 1917
Fate Surrendered 21 November 1918
General characteristics
Class and type German Type U 57 submarine
Displacement
750 t (740 long tons ) surfaced
952 t (937 long tons) submerged
Length
Beam
6.32 m (20 ft 9 in) (o/a)
4.05 m (13 ft 3 in) (pressure hull)
Height 8.25 m (27 ft 1 in)
Draught 3.65 m (12 ft)
Installed power
2 × 2,400 PS (1,765 kW ; 2,367 shp ) surfaced
2 × 1,200 PS (883 kW; 1,184 shp) submerged
Propulsion 2 shafts, 2 × 1.65 m (5 ft 5 in) propellers
Speed
16.5 knots (30.6 km/h; 19.0 mph) surfaced
8.8 knots (16.3 km/h; 10.1 mph) submerged
Range
10,100 nmi (18,700 km; 11,600 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 depth 50 m (164 ft 1 in)
Complement 4 officers, 32 enlisted
Armament
Service record
Part of:
II Flotilla
10 July 1917 – 11 November 1918
Commanders:
Kptlt. Karl Koopmann[ 2]
15 May 1917 – 19 December 1917
Kptlt. Carl-Siegfried Ritter von Georg[ 3]
20 December 1917 – 17 June 1918
Kptlt. Friedrich Ulrich[ 4]
18 June 1918 – 11 November 1918
Operations:
8 patrols Victories:
22 merchant ships sunk (26,045 GRT )
1 auxiliary warship sunk (208 GRT )
3 merchant ships damaged (11,217 GRT )
SM U-101 was one of the 329 submarines serving in the Imperial German Navy in World War I .
U-101 was engaged in the German campaign against Allied commerce (Handelskrieg ) during that conflict.[ 5] On 26 November 1917, U-101 torpedoed and damaged RFA Crenella ,[ 6] which managed to return to port with assistance from USS Cushing .[ 7]
Summary of raiding history
Date
Name
Nationality
Tonnage[ Note 1]
Fate[ 8]
6 August 1917
Rosemount
United Kingdom
3,044
Sunk
26 September 1917
Jacqueline
France
2,899
Sunk
9 October 1917
Nervier
Belgium
1,759
Sunk
26 November 1917
RFA Crenella
Royal Navy
7,035
Damaged
27 November 1917
Notre Dame De Rostrenen
France
186
Sunk
19 January 1918
St. Clair
United Kingdom
621
Damaged
1 February 1918
Kindly Light
United Kingdom
116
Sunk
2 February 1918
Marie Magdeleine
France
115
Sunk
2 February 1918
Sofie
United Kingdom
354
Sunk
3 February 1918
Nikolaos
Kingdom of Italy
3,561
Damaged
5 February 1918
Mexico City
United Kingdom
5,078
Sunk
20 March 1918
Glenford
United Kingdom
494
Sunk
22 March 1918
Trinidad
United Kingdom
2,592
Sunk
23 March 1918
Jane Gray
United Kingdom
124
Sunk
24 March 1918
John G. Walter
United Kingdom
258
Sunk
27 March 1918
Allendale
United Kingdom
2,153
Sunk
30 March 1918
Lough Fisher
United Kingdom
418
Sunk
2 April 1918
Solway Queen
United Kingdom
307
Sunk
14 May 1918
Embla
Denmark
157
Sunk
26 May 1918
Princess Royal
United Kingdom
1,986
Sunk
27 May 1918
Molière
France
1,545
Sunk
28 May 1918
Flora
France
209
Sunk
29 May 1918
Souvenir
Denmark
549
Sunk
30 May 1918
Waneta
United Kingdom
1,683
Sunk
31 May 1918
Pretty Polly
United Kingdom
19
Sunk
3 June 1918
HMT St. John’s
Royal Navy
208
Sunk
References
Notes
Citations
Bibliography
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 .