SM U 99

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SM U 99
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German EmpireGerman Empire (Reichskriegsflagge)
Construction data
Submarine type: Two-hull ocean-
going boat official draft from MS -type
war mission F
Series: U 99 - U 104
Builder: AG Weser, Bremen
Build number: 250
Launch: January 27, 1917
Commissioning: March 28, 1917
Technical specifications
Displacement: 750 tons (above water)
952 tons (under water)
Length: 67.60 m
Width: 6.32 m
Draft: 3.65 m
Pressure body ø: 4.05 m
Max. Diving depth: 50 m
Dive time: 45-52 p
Drive: Diesel engines 2400 PS
E-machines 1200 PS
Speed: 16.5 knots (above water)
8.8 knots (under water)
Armament: 2 × 50 cm bow torpedo tube
2 × 50 cm stern
torpedo tube (10–12 torpedoes)
1 × 10.5 cm deck gun
1 × 8.8 cm deck gun
Mission data
Commander:
  • Max Eltester
Crew (target strength): 4 officers
32 men
Calls: 1
Successes: 1 sunk warship (disputed)
Whereabouts: lost (probably sunk in the North Sea on July 7, 1917 by the British submarine J 2 )

SM U 99 was a diesel-electric submarine of the German Imperial Navy that was used in the First World War . The boat was lost on its first patrol . Successful sinking and whereabouts are controversial.

Calls

U 99 was launched on January 27, 1917 at the AG Weser in Bremen from the stack and was put into service on March 28, 1917th From June 1917 the boat was assigned to the II. U- Flotilla in Helgoland and Wilhelmshaven . The first and only commanding officer was Kapitänleutnant Max Eltester (March 28, 1917 to July 7, 1917).

99 U resulted in a during the First World War things through in the northern North Sea. During this operation , the British destroyer Itchen with a tonnage of 541 tons was sunk on July 6, 1917 between Norway and the Shetland Islands , about 70  nautical miles from the Pentland Firth .

Whereabouts

There are contradicting information about the whereabouts of U 99 in British and German sources. Usually an attack by the British submarine J 2 is considered to be the cause of the loss. According to this, U 99 was sighted by J 2 on the morning of July 7, 1917, one day after the Itchen was sunk . The British noticed the German boat at a distance of three to four kilometers and shot down four torpedoes . At least one torpedo hit U 99 , which sank in a few minutes at about 58 ° 0 '  N , 3 ° 5'  E. There were no survivors.

Notes and individual references

  1. ↑ a b According to www.uboat.net and www.wrecksite.eu , the sinking of the HMS Itchen can be attributed to the UC 44 submarine under the command of Kurt Tebbenjohanns.
  2. ↑ Bodo Herzog: German U-Boats 1906–1966 . Karl Müller, Erlangen, 1993, p. 136.
  3. ↑ Bodo Herzog: German U-Boats 1906–1966 . Karl Müller, Erlangen, 1993, p. 123.
  4. ↑ Bodo Herzog: German U-Boats 1906–1966 . Karl Müller, Erlangen, 1993, p. 120.
  5. ^ A b Paul Kemp: The German and Austrian submarine losses in both world wars. Urbes, Graefelfing, 1998, p. 30.
  6. ↑ Dwight R. Messimer: Lost - World War I U-Boat Losses. Naval Institute Press, Annapolis 2002, ISBN 1-55750-475-X , pp. 112f.
  7. ↑ Bodo Herzog: German U-Boats 1906–1966 . Karl Müller, Erlangen, 1993, p. 91.

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