SM UB-27

For other ships with the same name, see German submarine U-27.
SM UB-45, a U-boat similar to UB-27
History
German Empire
NameUB-27
Ordered30 April 1915[1]
BuilderAG Weser, Bremen[1]
Cost1,291,000 German Papiermark
Yard number241[1]
Laid down8 July 1915
Launched10 February 1916[1]
Commissioned23 February 1916
FateSunk by British warship on 29 July 1917
General characteristics [2]
Class and typeType UB II submarine
Displacement
  • 265 t (261 long tons) surfaced
  • 291 t (286 long tons) submerged
Length
Beam
  • 4.36 m (14 ft 4 in) o/a
  • 3.85 m (13 ft) pressure hull
Draught3.66 m (12 ft)
Propulsion
Speed
  • 8.9 knots (16.5 km/h; 10.2 mph) surfaced
  • 5.72 knots (10.59 km/h; 6.58 mph) submerged
Range
  • 7,200 nmi (13,300 km; 8,300 mi) at 5 knots (9.3 km/h; 5.8 mph) surfaced
  • 45 nmi (83 km; 52 mi) at 4 knots (7.4 km/h; 4.6 mph) submerged
Test depth50 m (160 ft)
Complement2 officers, 21 men
Armament
Notes30-second diving time
Service record
Part of:
  • I Flotilla
  • 14 April 1916 - 1 February 1917
  • II Flotilla
  • 1 February - 21 April 1917
  • Baltic Flotilla
  • 21 April - 19 July 1917
  • Flandern Flotilla
  • 19 – 29 July 1917
Commanders:
  • Kptlt. Victor Dieckmann[3]
  • 23 February – 31 October 1916
  • Oblt.z.S. Hans Georg Lübbe[4]
  • 1 November 1916 – 23 April 1917
  • Oblt.z.S. Freiherr Heinz von Stein zu Lausnitz[5]
  • 24 April – 29 July 1917
Operations: 17 patrols
Victories:
  • 10 merchant ships sunk
    (16,094 GRT)
  • 1 auxiliary warship sunk
    (1,997 GRT)
  • 3 merchant ships damaged
    (3,240 GRT)
  • 1 merchant ship taken as prize
    (1,019 GRT)

SM UB-27 was a German Type UB II submarine or U-boat in the German Imperial Navy (German: Kaiserliche Marine) during World War I. The U-boat was ordered on 30 April 1915 and launched on 10 February 1916. She was commissioned into the German Imperial Navy on 23 February 1916 as SM UB-27.[Note 1] UB-27 sank 11 ships in 17 patrols for a total of 18,091 gross register tons (GRT).[6]

  1. ^ a b c d Rössler 1979, p. 54.
  2. ^ Gröner 1991, pp. 23–25.
  3. ^ Helgason, Guðmundur. "WWI U-boat commanders: Victor Dieckmann (Royal House Order of Hohenzollern)". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 29 January 2015.
  4. ^ Helgason, Guðmundur. "WWI U-boat commanders: Hans Georg Lübbe". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 29 January 2015.
  5. ^ Helgason, Guðmundur. "WWI U-boat commanders: Freiherr Heinz von Stein zu Lausnitz". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 29 January 2015.
  6. ^ Bendert 2000, p. 195.


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