Italian submarines in World War Two

CB 11
CB 11

ClassCB (42) 
Laid down Caproni-Taliedo, Milan
Commissioned24 Aug 1943
End service
Loss date
Loss position
History Scrapped in 1948


CommanderDate fromDate toCommand notes
S.T.V. Duilio Bena26 Aug 194318 Nov 1943
G.M. Giuseppe Sanseverino19 Nov 194311 Dec 1943
A.G.M. Mario Falchi12 Dec 194325 Feb 1944
G.M. Giovanni Rondoni25 Feb 194411 Oct 1944
S.T.V. Duilio Bena7 Oct 1944Aug 1945

Ships hit

No ships hit by this submarine.

Patrols and events

 CommanderDateTimePortArr. dateArr. timeArr. portMilesDescription
13 Aug 19430935Pola13 Aug 19431255PolaTrials.

14 Aug 19431430Pola14 Aug 19431715PolaExercises.

15 Aug 19430825Pola15 Aug 19431145PolaTrials.

16 Aug 19431000Pola16 Aug 19431200PolaExercises.

17 Aug 19430800Pola17 Aug 19431730PolaExercises.

18 Aug 19430700Pola18 Aug 19431845PolaTrials.

19 Aug 19430900Pola19 Aug 19431635PolaExercises.

24 Aug 19431450Pola24 Aug 19431820PolaExercises.

Bena, Duilio26 Aug 19430830Pola26 Aug 19431135PolaExercises.

Bena, Duilio28 Aug 19430820Pola29 Aug 19430715AnconaPassage Pola-Ancona.

Bena, Duilio31 Aug 19431005Ancona1 Sep 19431311San Benedetto57Passage Pola-San Benedetto.

Bena, Duilio2 Sep 19431040San Benedetto2 Sep 19431810Ancona50Passage San Benedetto-Ancona, towed by the tug Petronio.

Bena, Duilio12 Sep 19431405Ancona14 Sep 19431135Tremiti Island140Passage Ancona-Tremiti Island.

Bena, Duilio16 Sep 19431955Tremiti Island19 Sep 19431730Taranto330Passage Tremiti Island-Taranto with CB 12. Constituted the 2a Squadriglia "CB". Used for A/S operations in Gulf of Taranto.
  17 Sep 19431715
(0) SE of Tremiti Island.
At 1715 hours, a German aircraft was seen.

Bena, Duilio22 Oct 19430815Taranto22 Oct 19431605Taranto24Exercises.

Sanseverino, Giuseppe3 Dec 19430815Taranto3 Dec 19431615Taranto24Exercises.

Falchi, Mario13 Dec 19431000Taranto13 Dec 19431620Taranto26,5Exercises.

Falchi, Mario20 Dec 19430815Taranto20 Dec 19431605Taranto27Exercises.

Falchi, Mario24 Dec 19430820Taranto24 Dec 19431620Taranto27Exercises.

Falchi, Mario27 Dec 19430832Taranto27 Dec 19431005Taranto7Exercises.

Falchi, Mario3 Jan 19440842Taranto3 Jan 19441614Taranto27,5Exercises.

Falchi, Mario31 Jan 19440820Taranto31 Jan 19441617Taranto27,5Exercises.

Falchi, Mario7 Feb 19440837Taranto7 Feb 19441220Taranto13Exercises.

Falchi, Mario18 Feb 19440810Taranto18 Feb 19441210Taranto12Exercises.

Rondoni, Giovanni2 Mar 19441025Taranto4 Mar 19440310Taranto134Various exercises between 39°38'N, 16°51'E and 39°35'N, 16°55'E with CB 8, CB 9 and the corvette Fenice.

Rondoni, Giovanni11 Mar 19440914Taranto11 Mar 19441609Taranto24Exercises.

Rondoni, Giovanni15 Mar 19440830Taranto15 Mar 19441625Taranto29Independent exercises.

Rondoni, Giovanni17 Mar 19440807Taranto17 Mar 19441610Taranto20Exercises with the submarine Settimo, CB 9, CB 10 and the torpedo boat Fabrizi.

Rondoni, Giovanni24 Mar 19440827Taranto24 Mar 19441620Taranto26Exercises.

Rondoni, Giovanni27 Mar 19440835Taranto27 Mar 19441050Taranto6Sailed for exercises but turned back due to bad weather.

Rondoni, Giovanni29 Mar 19440830Taranto29 Mar 19441643Taranto30Exercises.

Rondoni, Giovanni31 Mar 19440803Taranto31 Mar 19441710Taranto16Exercises with the corvette Scimittara.

Rondoni, Giovanni2 May 19440830Taranto2 May 19441550Taranto23Independent exercises.

Rondoni, Giovanni16 May 19440825Taranto16 May 19441611Taranto21Exercises.

Rondoni, Giovanni8 Jun 19440800Taranto8 Jun 19441530Taranto26,5Exercises.

Rondoni, Giovanni8 Jun 19440810Taranto8 Jun 19441540Taranto22Exercises.

Rondoni, Giovanni12 Jun 19440945Taranto12 Jun 19441540Taranto27Exercises.

Rondoni, Giovanni21 Jun 19440825Taranto21 Jun 19441820Taranto44Exercises.

Rondoni, Giovanni30 Jun 19440820Taranto30 Jun 19441605Taranto30,5Exercises.

Rondoni, Giovanni7 Jul 19440810Taranto7 Jul 19441550Taranto27Exercises.

Rondoni, Giovanni21 Jul 19440830Taranto21 Jul 19441645Taranto24Exercises.

Rondoni, Giovanni17 Aug 19441212Taranto17 Aug 19442245Gallipoli55Passage Taranto-Gallipoli, towed by the torpedo boat Carini.

Rondoni, Giovanni18 Aug 19440740Gallipoli18 Aug 19441820Otranto63Passage Gallipoli-Otranto, towed by the torpedo boat Carini.

Rondoni, Giovanni19 Aug 19440600Otranto19 Aug 19441519Brindisi48Passage Otranto-Brindisi towed by the torpedo boat Carini.

Rondoni, Giovanni22 Aug 19441000Brindisi22 Aug 19441340Brindisi12Exercises.

Rondoni, Giovanni23 Aug 19440610Brindisi23 Aug 19441625Brindisi40Exercises.

Rondoni, Giovanni30 Aug 19440913Brindisi30 Aug 19441420Brindisi15Exercises.

Rondoni, Giovanni2 Sep 19440924Brindisi2 Sep 19441415Brindisi14Exercises.

Rondoni, Giovanni6 Sep 19440937Brindisi6 Sep 19441330Otranto48Passage Brindisi-Otranto, towed by the torpedo boat Carini.

Rondoni, Giovanni7 Sep 19440535Otranto7 Sep 19441630Gallipoli63Passage Otranto-Gallipoli, towed by the torpedo boat Carini.

Rondoni, Giovanni8 Sep 19440600Gallipoli8 Sep 19441550Taranto55Passage Gallipoli-Taranto, towed by the torpedo boat Carini.

Bena, Duilio14 Nov 19440920Taranto14 Nov 19441120Taranto10Trials.

Bena, Duilio17 Nov 19440645Taranto17 Nov 19441555Taranto33,5Exercises.
  17 Nov 1944115040° 29'N, 17° 07'EAt 1150 hours, a derelict mine was sighted and the midget submarine carefully avoided it.

Bena, Duilio22 Nov 19440815Taranto22 Nov 19441455Taranto29,5Exercises.

Bena, Duilio24 Nov 19440830Taranto24 Nov 19441555Taranto22Exercises.

Bena, Duilio27 Nov 19440730Taranto27 Nov 19441600Taranto22Exercises.

Bena, Duilio29 Nov 19440730Taranto29 Nov 19441100Taranto17Exercises.

Bena, Duilio6 Dec 19440735Taranto6 Dec 19441605Taranto31Exercises.

Bena, Duilio8 Dec 19440630Taranto8 Dec 19441425Taranto14Exercises.

Bena, Duilio13 Dec 19440735Taranto13 Dec 19441605Taranto28Exercises.

Bena, Duilio15 Dec 19440755Taranto15 Dec 19441605Taranto26Exercises.

Bena, Duilio20 Dec 19440710Taranto20 Dec 19441605Taranto29Exercises.

Bena, Duilio22 Dec 19440640Taranto22 Dec 19441610Taranto31Exercises.

Bena, Duilio15 Jan 19450830Taranto15 Jan 19451515Taranto11Exercises.

Bena, Duilio19 Jan 19450745Taranto19 Jan 19451605Taranto28,5Exercises.

Bena, Duilio26 Jan 19450800Taranto26 Jan 19451555Taranto23Exercises.

Bena, Duilio31 Jan 19450750Taranto31 Jan 19451600Taranto27Exercises.

Bena, Duilio19 Feb 19450745Taranto19 Feb 19451610Taranto28Exercises.

Bena, Duilio7 Mar 19450745Taranto7 Mar 19451710Taranto28,5Exercises.

Bena, Duilio23 Mar 19450745Taranto23 Mar 19451615Taranto23,5Exercises.

Bena, Duilio4 Apr 19451030Taranto4 Apr 19451635Taranto30Exercises.

Bena, Duilio6 Apr 19450820Taranto6 Apr 19451615Taranto22Exercises.

Bena, Duilio18 Apr 19450815Taranto18 Apr 19451711Taranto17Exercises.

Bena, Duilio5 Jun 19450830Taranto5 Jun 19451640Taranto25,6Exercises.

Bena, Duilio11 Jun 19450840Taranto11 Jun 19451415Taranto15Exercises.

Bena, Duilio28 Jun 19451140Taranto28 Jun 19451845Taranto40Exercises.

Bena, Duilio11 Jul 19450820Taranto11 Jul 19451645Taranto30Exercises.

Bena, Duilio19 Jul 19450830Taranto19 Jul 19451540Taranto28Exercises.

78 entries. 78 total patrol entries (0 marked as war patrols) and 2 events.

All Italian submarines