| Operations information for U-81 |
21.06.1941 - 03.07.1941 First Sailing
U-81 left Kiel under the command of Friedrich Guggenberger on 21st Jun 1941 and arrived at Trondheim on 3rd Jul 1941 after more than one week.
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17.07.1941 - 07.08.1941 Second Sailing - active patrol
On the 17th Jul 1941, U-81 left Trondheim under the command of Friedrich Guggenberger and after three weeks arrived at Kirkenes on 7th Aug 1941.
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09.08.1941 - 13.08.1941 Third Sailing
U-81 departed under Friedrich Guggenberger from Kirkenes on 9th Aug 1941 and arrived at Trondheim on 13th Aug 1941 after four days.
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27.08.1941 - 19.09.1941 Fourth Sailing - active patrol
U-81 left Trondheim under the command of Friedrich Guggenberger on 27th Aug 1941 and after over three weeks arrived at Brest on 19th Sep 1941.
Friedrich Guggenberger hit two ships on this patrol and both of them were in convoy, both of them were from convoy SC-42.-
On 9th Sep 1941 he sank the British 5,591 ton Empire Springbuck, sailing with convoy SC-42.
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On 10th Sep 1941 he sank the British 3,252 ton Sally Maersk, a member of convoy SC-42.
You can find more about convoy SC-42 at the warsailors.com page on convoy SC-42.
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29.10.1941 - 31.10.1941 Fifth Sailing
On the 29th Oct 1941, U-81 left Brest under the command of Friedrich Guggenberger and arrived back at Brest two days later on 31st Oct 1941.
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04.11.1941 - 10.12.1941 Sixth Sailing - active patrol
U-81 departed under Friedrich Guggenberger from Brest on 4th Nov 1941 and after just over five weeks arrived at La Spezia on 10th Dec 1941.
Friedrich Guggenberger hit one ship on this patrol.-
On 13th Nov 1941 he sank the British 22,600 ton HMS Ark Royal.
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27.01.1942 - 04.03.1942 Seventh Sailing - active patrol
U-81 left La Spezia under the command of Friedrich Guggenberger on 27th Jan 1942 and arrived back at La Spezia on 4th Mar 1942 after just over five weeks on patrol.
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04.04.1942 - 25.04.1942 Eighth Sailing - active patrol
On the 4th Apr 1942, U-81 left La Spezia under the command of Friedrich Guggenberger and after three weeks arrived at Salamis on 25th Apr 1942.
Friedrich Guggenberger hit six ships on this patrol.-
On 16th Apr 1942 he sank the Egyptian 97 ton Fatouh el Kher.
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On 16th Apr 1942 he sank the Egyptian 105 ton Bab el Farag.
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On 16th Apr 1942 he sank the French 1,150 ton Viking.
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On 16th Apr 1942 he sank the British 6,018 ton Caspia.
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On 19th Apr 1942 he sank the Egyptian 90 ton Hefz el Rahman.
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On 22nd Apr 1942 he sank the Egyptian 122 ton El Saadiah.
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06.05.1942 - 03.06.1942 Ninth Sailing - active patrol
U-81 departed under Friedrich Guggenberger from Salamis on 6th May 1942 and arrived back at Salamis four weeks later on 3rd Jun 1942.
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06.06.1942 - 24.06.1942 Tenth Sailing - active patrol
U-81 left Salamis under the command of Friedrich Guggenberger on 6th Jun 1942 and after two and a half weeks arrived at La Spezia on 24th Jun 1942.
Friedrich Guggenberger hit one ship on this patrol from convoy AT-49.-
On 10th Jun 1942 he fatally damaged the British 5,917 ton Brambleleaf, part of convoy AT-49.
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05.10.1942 - 16.11.1942 Eleventh Sailing - active patrol
On the 5th Oct 1942, U-81 left La Spezia under the command of Friedrich Guggenberger and arrived back at La Spezia on 16th Nov 1942 after six weeks on patrol.
Friedrich Guggenberger hit two ships on this patrol, one was from convoy Torch.-
On 10th Nov 1942 he sank the British 2,012 ton Garlinge.
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On 13th Nov 1942 he sank the British 6,487 ton Maron, from convoy Torch.
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24.11.1942 - 21.12.1942 Twelfth Sailing - active patrol
U-81 departed under Friedrich Guggenberger from La Spezia on 24th Nov 1942 and after nearly four weeks arrived at Pola on 21st Dec 1942.
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30.01.1943 - 19.02.1943 Thirteenth Sailing - active patrol
U-81 left Pola under the command of Johann-Otto Krieg on 30th Jan 1943 and arrived at Salamis on 19th Feb 1943 after nearly three weeks.
Johann-Otto Krieg hit five ships on this patrol.-
On 10th Feb 1943 he damaged the Dutch 6,671 ton Saroena.
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On 11th Feb 1943 he sank the 107 ton Husni.
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On 11th Feb 1943 he sank the Egyptian 110 ton Al Kasbanah.
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On 11th Feb 1943 he sank the 135 ton Dolphin.
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On 11th Feb 1943 he sank the Egyptian 36 ton Sabah el Kheir.
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06.03.1943 - 07.04.1943 Fourteenth Sailing - active patrol
On the 6th Mar 1943, U-81 left Salamis under the command of Johann-Otto Krieg and after four and a half weeks arrived at Pola on 7th Apr 1943.
Johann-Otto Krieg hit three ships on this patrol.-
On 20th Mar 1943 he sank the 77 ton Mawahab Allar.
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On 20th Mar 1943 he sank the Egyptian 244 ton Bourghieh.
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On 28th Mar 1943 he sank the Egyptian 133 ton Roushdy.
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06.06.1943 - 04.07.1943 Fifteenth Sailing - active patrol
U-81 departed under Johann-Otto Krieg from Pola on 6th Jun 1943 and arrived at Salamis on 4th Jul 1943 after four weeks. On 25th Jun 1943 in square CP 83, U-81 came under attack from an unidentified aircraft. The boat defended itself with flak without destroying the aircraft.
Johann-Otto Krieg hit four ships on this patrol, one was from convoy GTX-2.-
On 17th Jun 1943 he sank the British 8,131 ton HMS Yoma, sailing with convoy GTX-2.
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On 26th Jun 1943 he sank the 24 ton El Ghazala.
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On 26th Jun 1943 he sank the 75 ton Toufic Allah.
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On 26th Jun 1943 he sank the Greek 3,742 ton Michalios.
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14.07.1943 - 25.07.1943 Sixteenth Sailing - active patrol
U-81 left Salamis under the command of Johann-Otto Krieg on 14th Jul 1943 and after one and a half weeks arrived at Pola on 25th Jul 1943.
Johann-Otto Krieg hit one ship on this patrol.-
On 22nd Jul 1943 he damaged the British 7,472 ton Empire Moon.
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01.08.1943 - 10.08.1943 Seventeenth Sailing - active patrol
On the 1st Aug 1943, U-81 left Pola under the command of Johann-Otto Krieg and arrived back at Pola just over one week later on 10th Aug 1943.
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20.09.1943 - 13.10.1943 Eighteenth Sailing - active patrol
U-81 departed under Johann-Otto Krieg from Pola on 20th Sep 1943 and returned to Pola on 13th Oct 1943 after over three weeks on patrol.
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10.11.1943 - 23.11.1943 Nineteenth Sailing - active patrol
U-81 left Pola under the command of Johann-Otto Krieg on 10th Nov 1943 and arrived back at Pola on 23rd Nov 1943 after nearly two weeks on patrol.
Johann-Otto Krieg hit one ship on this patrol from convoy KMS-31.-
On 18th Nov 1943 he sank the British 2,887 ton Empire Dunstan, a member of convoy KMS-31.
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30.12.1943 - 03.01.1944 Twentieth Sailing - active patrol
On the 30th Dec 1943, U-81 left Pola under the command of Johann-Otto Krieg and returned four days later to Pola on 3rd Jan 1944.
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