SM UC-69

For other ships with the same name, see German submarine U-69.
History
German Empire
NameUC-69
Ordered12 January 1916[1]
BuilderBlohm & Voss, Hamburg[2]
Yard number285[1]
Launched7 August 1916[1]
Commissioned22 December 1916[1]
FateSunk after collision with U-96, 6 December 1917[1]
General characteristics [3]
Class and typeType UC II submarine
Displacement
  • 427 t (420 long tons), surfaced
  • 508 t (500 long tons), submerged
Length
Beam
  • 5.22 m (17 ft 2 in) o/a
  • 3.65 m (12 ft) pressure hull
Draught3.64 m (11 ft 11 in)
Propulsion
Speed
  • 12.0 knots (22.2 km/h; 13.8 mph), surfaced
  • 7.4 knots (13.7 km/h; 8.5 mph), submerged
Range
  • 10,420 nmi (19,300 km; 11,990 mi) at 7 knots (13 km/h; 8.1 mph) surfaced
  • 52 nmi (96 km; 60 mi) at 4 knots (7.4 km/h; 4.6 mph) submerged
Test depth50 m (160 ft)
Complement26
Armament
Notes35-second diving time
Service record
Part of:
  • Flandern / Flandern II Flotilla
  • 6 March - 6 December 1917
Commanders:
  • Kptlt. Erwin Waßner[4]
  • 23 December 1916 – 8 August 1917
  • Oblt.z.S. Hugo Thielmann[5]
  • 9 August – 6 December 1917
Operations: 9 patrols
Victories:
  • 54 merchant ships sunk
    (99,285 GRT + Unknown GRT)
  • 3 merchant ships damaged
    (16,705 GRT)
  • 1 warship damaged
    (975 tons)
  • 1 auxiliary warship damaged
    (862 GRT)

SM UC-69 was a German Type UC II minelaying submarine or U-boat in the German Imperial Navy (German: Kaiserliche Marine) during World War I. The U-boat was ordered on 12 January 1916 and was launched on 7 August 1916. She was commissioned into the German Imperial Navy on 22 December 1916 as SM UC-69.[Note 1] In nine patrols UC-69 was credited with sinking 54 ships, either by torpedo or by mines laid. UC-69 was sunk after being accidentally rammed by U-96 near Barfleur on 6 December 1917. The wreck was accidentally discovered in November 2017 by the Dutch naval mine sweeper Zr.Ms. Makkum which was mapping the sea-bed off the French Normandy coast.[1]

  1. ^ a b c d e f Helgason, Guðmundur. "WWI U-boats: UC 69". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 23 February 2009.
  2. ^ Tarrant, p. 173.
  3. ^ Gröner 1991, pp. 31–32.
  4. ^ Helgason, Guðmundur. "WWI U-boat commanders: Erwin Waßner (Pour le Mérite)". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 3 March 2015.
  5. ^ Helgason, Guðmundur. "WWI U-boat commanders: Hugo Thielmann". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 3 March 2015.


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