| Operations information for U-20 |
25.08.1939 - 31.08.1939
First Sailing - active patrol
U-20 left Kiel under the command of Karl-Heinz Moehle on 25th Aug 1939 and arrived at return on 31st Aug 1939 after six days.
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01.09.1939 - 20.09.1939
Second Sailing - active patrol
On the 1st Sep 1939, U-20 left Wilhelmshaven under the command of Karl-Heinz Moehle for operations around the Orkneys and Norway and after more than two weeks arrived at return on 20th Sep 1939.
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29.09.1939 - 17.10.1939
Third Sailing - active patrol
U-20 departed under Karl-Heinz Moehle from Kiel on 29th Sep 1939 for operations E of Scotland and arrived at return on 17th Oct 1939 after two and a half weeks.
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06.11.1939 - 07.11.1939
Fourth Sailing
U-20 left Kiel under the command of Karl-Heinz Moehle on 6th Nov 1939 and after one day arrived at return on 7th Nov 1939.
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18.11.1939 - 24.11.1939
Fifth Sailing - active patrol
On the 18th Nov 1939, U-20 left Wilhelmshaven under the command of Karl-Heinz Moehle for operations in the North Sea and arrived at return on 24th Nov 1939 after six days.
U-20 laid mines on this patrol. These mines were hit by 2 ships.
The 3,114 ton British Ionian was sunk by a mine on 29th Nov 1939.
The 4,815 ton British Willowpool was sunk by a mine on 10th Dec 1939.U-20 had laid 9 mines near Newarp Lightship.
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07.12.1939 - 13.12.1939
Sixth Sailing - active patrol
U-20 departed under Karl-Heinz Moehle from Kiel on 7th Dec 1939 for operations in the North Sea and after six days arrived at return on 13th Dec 1939.
Karl-Heinz Moehle hit two ships on this patrol.-
On 9th Dec 1939 he sank the Danish 1,339 ton Magnus.
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On 10th Dec 1939 he sank the Norwegian 1,674 ton Føina.
You can read more about the Norwegian ship listed for this patrol at www.warsailors.com.
Click the link for more information on Føina.
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06.01.1940 - 16.01.1940
Seventh Sailing - active patrol
U-20 left Kiel under the command of Karl-Heinz Moehle on 6th Jan 1940 for operations E of the Orkneys and arrived at return on 16th Jan 1940 after one and a half weeks.
Karl-Heinz Moehle hit one ship on this patrol.-
On 13th Jan 1940 he sank the Swedish 1,524 ton Sylvia.
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21.01.1940 - 04.02.1940
Eighth Sailing - active patrol
On the 21st Jan 1940, U-20 left Wilhelmshaven under the command of Harro von Klot-Heydenfeldt for operations around the Orkneys and after two weeks arrived at return on 4th Feb 1940.
Harro von Klot-Heydenfeldt hit four ships on this patrol.-
On 27th Jan 1940 he fatally damaged the Norwegian 844 ton Faro.
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On 27th Jan 1940 he sank the Norwegian 1,591 ton Hosanger.
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On 27th Jan 1940 he sank the Danish 2,094 ton Fredensborg.
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On 27th Jan 1940 he sank the Danish 2,319 ton England.
You can read more about the Norwegian ships listed for this patrol at www.warsailors.com.
Click the links for more information on Faro and Hosanger.
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27.02.1940 - 04.03.1940
Ninth Sailing - active patrol
U-20 departed under Harro von Klot-Heydenfeldt from Wilhelmshaven on 27th Feb 1940 for operations off of East Anglia and arrived at return on 4th Mar 1940 after six days.
Harro von Klot-Heydenfeldt hit two ships on this patrol.-
On 29th Feb 1940 he sank the Italian 4,211 ton Maria Rosa.
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On 1st Mar 1940 he sank the Italian 5,340 ton Mirella.
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14.03.1940 - 22.03.1940
Tenth Sailing - active patrol
U-20 left Wilhelmshaven under the command of Harro von Klot-Heydenfeldt on 14th Mar 1940 for operations in the North Sea and after just over one week arrived at return on 22nd Mar 1940.
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22.06.1943 - 29.06.1943
Eleventh Sailing - active patrol
On the 22nd Jun 1943, U-20 left Konstanza under the command of Clemens Schöler and arrived at return on 29th Jun 1943 after one week.
On 26th Jun 1943 in square CL 66, U-20 came under attack from an unidentified aircraft.
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11.07.1943 - 07.08.1943
Twelfth Sailing - active patrol
U-20 departed under Clemens Schöler from Konstanza on 11th Jul 1943 and after nearly four weeks arrived at return on 7th Aug 1943.
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16.09.1943 - 12.10.1943
Thirteenth Sailing - active patrol
U-20 left Konstanza under the command of Clemens Schöler on 16th Sep 1943 and arrived at return on 12th Oct 1943 after more than three weeks.
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08.11.1943 - 09.12.1943
Fourteenth Sailing - active patrol
On the 8th Nov 1943, U-20 left Konstanza under the command of Karl Grafen and after four and a half weeks arrived at return on 9th Dec 1943.
Karl Grafen hit one ship on this patrol.-
On 29th Nov 1943 he damaged the Soviet 1,846 ton Peredovik.
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01.01.1944 - 26.01.1944
Fifteenth Sailing - active patrol
U-20 departed under Karl Grafen from Konstanza on 1st Jan 1944 and arrived at return on 26th Jan 1944 after three and a half weeks.
Karl Grafen hit one ship on this patrol.-
On 16th Jan 1944 he sank the Soviet 7,602 ton Vaijan KuturŽe.
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22.02.1944 - 27.03.1944
Sixteenth Sailing - active patrol
U-20 left Konstanza under the command of Karl Grafen on 22nd Feb 1944 and after nearly five weeks arrived at return on 27th Mar 1944.
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11.06.1944 - 11.07.1944
Seventeenth Sailing - active patrol
On the 11th Jun 1944, U-20 left Konstanza under the command of Karl Grafen and arrived at return on 11th Jul 1944 after over four weeks.
Karl Grafen hit two ships on this patrol.-
On 19th Jun 1944 he sank the Soviet 1,850 ton Pestel.
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On 24th Jun 1944 he sank the Soviet 9 ton DB-26.
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19.08.1944 - 10.09.1944
Eighteenth Sailing - active patrol
U-20 departed under Karl Grafen from Konstanza on 19th Aug 1944 and after just over three weeks arrived at return on 10th Sep 1944.
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