SM U 109

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SM U 109
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German EmpireGerman Empire (Reichskriegsflagge)
Construction data
Submarine type: Two-hull ocean-
going boat official draft from MS -type
war mission K
Series: U 105 - U 110
Builder: Germania shipyard, Kiel
Build number: 278
Construction contract: May 5, 1916
Launch: September 25, 1917
Commissioning: November 7, 1917
Technical specifications
Displacement: 798 tons (above water)
1000 tons (under water)
Length: 71.55 m
Width: 6.30 m
Draft: 3.90 m
Pressure body ø: 4.15 m
Max. Diving depth: 50 m
Dive time: 45-66 s
Drive: Diesel engines 2400 PS
E-machines 1200 PS
Speed: 16.4 knots (above water)
8.4 knots (under water)
Armament: 4 × 50 cm bow torpedo tube
2 × 50 cm stern
torpedo tube (12-16 torpedoes)
1 × 10.5 cm deck gun
1 × 8.8 cm deck gun
Mission data
Commander:
  • Otto Ney
Crew (target strength): 4 officers
32 men
Calls: 1
Successes: no
Whereabouts: Lost in the Strait of Dover in January 1918

SM U 109 was a diesel-electric submarine of the German Imperial Navy that was used in the First World War .

Calls

U 109 was commissioned on May 5, 1916 expired on 25 September 1917 at the Germania shipyard in Kiel from the stack and was put into service on 7 November 1917th The boat was then assigned to the IV. U- Flotilla in Emden and Borkum . The first and only in command was Lieutenant Captain Otto Ney.

U 109 led incomplete during World War company to the British Isles by. No ship was sunk or damaged in the process.

Whereabouts

On January 24, 1918, U 109 left the Ems for the first and only patrol that was supposed to lead through the English Channel to the Sankt-Georgs-Kanal . However, there was no confirmation of the crossing of the English Channel to the German Navy. The boat has therefore been missing since January 26, 1918. Possible causes of the downfall are a mine hit by the British mine lock near Dover and artillery fire on the British fishing liner Beryl . The armed fish steamer was patrolling the Folkestone - Gris Nez mine barrier in the morning hours of January 24, 1918 when the crew noticed a submarine. The submarine was shot at and forced to dive. A little later the fish steamer crew heard a mine explosion. The location and time of the incident suggest that the submarine was U 109 . As an approximate lower transition point following item is in the Strait of Dover assumed: 51 °  N , 2 °  O .

Individual evidence

  1. Bodo Herzog: German U-Boats 1906–1966 . Karl Müller, Erlangen, 1993, p. 139.
  2. Bodo Herzog: German U-Boats 1906–1966 . Karl Müller, Erlangen, 1993, p. 124.
  3. Bodo Herzog: German U-Boats 1906–1966 . Karl Müller, Erlangen, 1993, p. 69.
  4. Bodo Herzog: German U-Boats 1906–1966. Karl Müller, Erlangen, 1993, p. 91.
  5. ^ Paul Kemp: The German and Austrian submarine losses in both world wars. Urbes, Graefelfing, 1998, p. 43.
  6. Dwight R. Messimer: Lost - World War I U-Boat Losses. Naval Institute Press, Annapolis 2002, ISBN 1-55750-475-X , p. 120.

literature

  • Bodo Herzog: German U-Boats 1906–1966. Karl Müller, Erlangen, 1993, ISBN 3-86070-036-7 .
  • Paul Kemp: The German and Austrian submarine losses in both world wars. Urbes, Graefelfing, 1998, ISBN 3-924896-43-7 .

Web links