Submarine Losses – Regia Marina Italiana

Date	Boat	Class	Captain	Fate – Casualties	Coordinates	Notes
6/15/1940	Macallè	Adua	T.V. Alfredo Morone	Sunk – 1	19.00N-38.00E	Run aground near the Island of Barr Musa Chebir in the Red Sea (Port Sudan)
6/17/1940	Provana	Marcello	C.C. Ugo Botti	Sunk – 61	35.41N, 00.38W	Damaged by depth charges and then rammed by the French gun boat La Curiese near Oran.
6/19/1940	Galilei	Galilei	C.C. Corrado Nardi	Captured – 15	12.48N-45.12E	Captured by the British corvette Moonstone south of Eden (Red Sea)
6/20/1940	Diamante	Sirena	T.V. Angelo Parla	Sunk – 43	32.42N-23.49E	Torpedoed by the British submarine H.M.S Parthian 30 miles from Tobruk
6/24/1940	Galvani	Brin	C.C. Renato Spano	Sunk – 25	25.55N-56.55E	Sunk by depth charges from the gun boat Falmouth near the Gulf of Oman
6/29/1940	Argonauta	Argonauta	T.V. Vittorio Cavicchia Scalamonti	Sunk – 48	37.29N-19.51E	Sunk by depth charges by the British destroyers H.M.S. Dainty, H.M.S. Decoy, H.M.S. Defender, H.M.S. Voyager and H.M.S. Ilex near Ras Hilan (British records might also suggest that the vessel might have been sunk by Sunderland L5804 of the R.A.F.)
6/29/1940	Rubino	Sirena	T.V. Luigi Trebbi	Sunk – 40	39.10N-18.49E	Sunk by a British Sunderland 40 miles from Santa Maria di Leuca
6/29/1940	Uebi Scebeli	Adua	T.V. Bruno Zani	Sunk – 0	35.29N-20.06E	Scuttle after an attack by the British destroyers Dainty, Decoy, Defender, Voyager and Ilex south of Crete (crew were captured).
8/22/1940	Iride	Perla	T.V. Francesco Brunetti	Sunk – 33	32.25N-23.25E	Torpedoed by a British plane in the Gulf of Bomba
9/30/1940	Gondar	Adua	T.V. Francesco Brunetti	Scuttled – 1	31.33N-28.33E	Scuttle after an attack from Stuart and a Sunderland 110 miles from Alexandria.
10/2/1940	Berillo	Perla	T.V. Camillo Milesi Ferretti	Scuttled – 2	33.09N-26.24E	Scuttled after an attack from H.M.S. Havock and H.M.S. Hasty north of Sidi el Barrani at around 6:00 AM
10/8/1940	Gemma	Perla	C.C. Guido Cordero di Montezemolo	Sunk – 44	36.00N-28.00E	Torpedoed by mistake by the Italian submarine Tricheco near Scarpanto
10/15/1940	Foca	Foca	C.C. Mario Giliberto	Sunk – 69	32.53N- 34.52E	Sunk probably after hitting one of its own mines or a British one near Palestine
10/18/1940	Durbo	Adua	T.V. Armando Acanfora	Scuttled – 0	35.54N-04.17W	Scuttle after an attack by the British destroyers H.M.S. Firedrake and Wrestler and 2 London Flying Boats of the R.A.F. near Gibraltar.
10/20/1940	Lafolè	Adua	T.V. Pietro Riccomini	Sunk – 39	36.00N-03.00W	Damaged by depth charges launched by the British destroyers Hotspur and Griffin and then rammed 12 miles north of Cape Tres Focas
10/31/1940	Comandante Faa Di Bruno	Marcello	C.C. Aldo Enrici	Sunk – 55	56.01N-17.50W	Sunk in Atlantic between 10/31 and 1/5/1941. The British Admiralty claimes that it was sunk by H.M.S. Havelock on Nov. 8th, 1940.
12/14/1940	Naiade	Sirena	T.V. Pietro Notarbartolo	Scuttled – 1	32.03N-25.26E	Scuttle after damage inflicted by the British destroyers Hyperion and Hereward near Bardia.
12/15/1940	Capitano Tarantini	Liuzzi	C.C. Alfredo laschi	Sunk – 57	45.25N-01.22W	Torpedoed by the British submarine H.M.S. Thunderbolt at the estuary of the river Girond (Atlantic)
1/7/1941	Nani	Marcello	C.C. Gioacchino Polizzi	Sunk – 55	60.15N-15.27W	Probably sunk by the British corvette Anemone near Iceland
1/19/1941	Neghelli	Adua	C.C. Carlo Ferracuti	Sunk – 46	36.50N-23.52E	Sunk by destroyer Grayhound near Falkonera Aegean
2/22/1941	Marcello	Marcello	C.C. Carlo Alberto Teppati	Sunk – 58	58.38N-11.51W	Sunk in Atlantic by British destroyer Hurricane and Montgomery or, most probable, the Perwingle.
3/6/1941	Anfitrite	Sirena	T.V. Bruno Ghersina	Scuttled – 7	34.55N-26.43E	Scuttled at around 8:00 AM after an attack from the destroyer H.M.S. Grayhound near Cape Sidero in the Aegean Sea
3/31/1941	Pier Capponi	Mameli	C.C. Romeo Romei	Sunk – 38	38.32N-15.15E	Torpedoed by the British submarine H.M.S. Rorqual near the island of Stromboli, north of Sicily.
6/27/1941	Glauco	Glauco	C.F. Candido Corvetti	Scuttled – 8	35.06N-12.41W	Scuttled after an attack from Wishart near Gibraltar
6/27/1941	Salpa	Argonauta	T.V. Renato Guagni	Sunk – 48	32.05N-26.47E	Torpedoed from the British submarine H.M.S. Triumph near Marsa Matruh
7/5/1941	Michele Bianchi	Marconi	C.C. Franco Tosoni Pittoni	Sunk – 53	34.48N-13.04W	Torpedoed by the British submarine H.M.S. Tigris off Bordeaux.
7/5/1941	Jantina	Argonauta	C.C. Vincenzo Politi	Sunk – 42	37.30N-25.00E	Torpedoed by the British submarine H.M.S. Torbay near the Island of Mykoni
9/8/1941	Maggiore Baracca	Marconi	T.V. Giorgio Viani	Sunk – 28	40.30N-21.15W	Bombed and rammed by the British destroyer Croome in Atlantic.
9/10/1941	Alessandro Malaspina	Marconi	T.V. Giuliano Prini	Sunk – 61		Sunk by depth charges from Sunderland “U” (serial # W3986) of 10 Squadron RAAF, piloted by Flight Lieutenant Athol Galway Hope Wearne, in position 46º23’N / 11º22’W.”
9/15/1941	Smeraldo	Sirena	T.V. Bartolomeo La Penna	Sunk – 45	37.37N-11.29E	Probably lost after hitting as mine in the Sicilian Straits
9/28/1941	Fisalia	Argonauta	T.V. Girolamo Acunto	Sunk – 46	32.19N-34.17E	Bombed by the British corvette Hyacinth near Jaffa (Palestine)
9/30/1941	Adua	Adua	T.V. Luigi Riccardi	Sunk – 47	37.10N-00.56E	Bombed by H.M.S. Gurkha and H.M.S. Legion in Mediterranean at around 10:30 AM
10/25/1941	Ferraris	Galilei	T.V. Filippo Flores	Scuttled – 6	37.07N-14.19W	Scuttle after aerial bombing (Catalina A of the 202 R.A.F. Squadron) and attack by the British destroyer H.M.S. Lamerton East of the Azores Islands.
10/28/1941	Guglielmo Marconi	Marconi	C.C. Livio Piomarta	Sunk – 60		Lost in the Atlantic probably off the Strait of Gibraltar
12/11/1941	Ammiraglio Caracciolo	Ammiragli	C.C. Alfredo Musotto	Sunk – 17	32.09N-25.19E	Scuttled after bombing from destroyer H.M.S. Farndale 30 miles off Bardia
1/5/1942	Ammiraglio Saint Bon	Ammiragli	C.C. Gustavo Miniero	Sunk – 57	38.22N-15.22E	Sunk by the British submarine H.M.S. Upholder near Milazzo, Sicily
1/30/1942	Medusa	Argonauta	C.C. Enrico Bertarelli	Sunk – 58	44.55N-13.46E	Sunk by the British submarine Thorn near Promontore, Istria
3/14/1942	Ammiraglio Millo	Ammiragli	T.V. Vincenzo D’Amato	Sunk – 55	38.27N-16.37E	Sunk by the British sub H.M. S/M Ultimatum near Punta Stilo (Calabria).
3/17/1942	Guglielmotti	Brin	C.C. Federico Tamburini	Sunk – 61	37.42N-15.58E	Sunk by the British submarine H.M.S. Unbeaten near Cape Spartivento
3/18/1942	Tricheco	Squalo	C.C. Giovanni Cunsolo	Sunk – 38	40.45N-17.56E	Sunk by the British submarine H.M.S. Upholder near Brindisi
6/1/1942	Marcantonio Colonna	Pisani	C.C. Bruno Pilli	Removed from Service – 0		Removed from service due to serious damage to the engines
6/7/1942	Veniero	Marcello	T.V. Elio Zappetta	Sunk – 0	38.21N-03.21E	Sunk by a British Sunderland between Sardinia and the Balearic
6/9/1942	Zaffiro	Sirena	T.V. Carlo Mottura	Sunk – 47	34.20N-24.09E	Probably sunk near Ibiza by a Catalina
6/13/1942	CB 5	CB	S.T.V. Enrico Farolfi	Sunk – 0		Sunk in Yalta by a Soviet MAS
7/9/1942	Perla	Perla	C.C. Mario Pouchain	Captured – 0	33.50N-35.19E	Captured off Beiruth (Lebanon)
7/11/1942	Ondina	Sirena	T.V Gabriele Adolfi	Scuttled – 5	34.35N-34.56E	Scuttle after an attack by the British destroyers Protea, Sothern and the antisub units Maid and Walrus near Cyprus
7/15/1942	Pietro Calvi	Calvi	C.F. Primo Longobardo	Scuttled – 42	30.35N-25.58W	Scuttled at 0:27 AM after an attack by the British destroyer H.M.S. Lulworth near the Azores
8/10/1942	Scirè	Adua	C.C. Bruno Zelik	Sunk – 60	33.00N-34.00E	Sunk by the British unit Islay near Haifa
8/11/1942	Morosini	Marcello	T.V. Francesco D’Alessandro	Sunk – 58	45.00N, 03.00W	Probably sunk by a British plane in Atlantic
8/12/1942	Cobalto	Platino	T.V. Raffaele Amicarelli	Sunk – 2	37.39N-10.00E	Bombed and rammed by British destroyer H.M.S.Ithuriel and H.M.S. Pathfinder off Biserta. Two British sailors die when the boat rapidly sinks.
8/12/1942	Dagabur	Adua	T.V. Renato Pecori	Sunk – 45	37.18N-01.55E	Rammed by the British destroyer H.M.S. Wolverine off Algiers.
9/14/1942	Alabastro	Platino	T.V. Giovanni Bonadies	Sunk – 44	37.28N-04.34E	Sunk by the British Sunderland “R” of the 202nd Squadron off Algieres.
11/9/1942	Granito	Platino	T.V. Leo Sposito	Sunk – 47	38.34N-12.00E	Sunk by the British submarine H.M.S. Saracen near San Vito Siculo
11/10/1942	Emo	Marcello	T.V. Giuseppe Franco	Sunk – 14	36.50N-02.50E	Scuttled after damages from Lord Nuffield
11/28/1942	Dessiè	Adua	T.V. Alberto Gorini	Sunk – 48	37.48N-02.14E	Sunk by the British Hudson “L” of the 500 R.A.F. Squadron north of Bona
12/6/1942	Porfido	Platino	T.V Giovanni Lorenzotti	Sunk – 44	38.10N-08.35E	Sunk by British submarine H.M.S. Tigris near Galite
12/13/1942	Corallo	Perla	T.V. Guido Guidi	Sunk – 52	36.58N-05.07E	Bombed and rammed by the gun boat H.M.S. Enchantress near Bougie
12/15/1942	Uarsciek	Adua	T.V. Gaetano Arezzo della Targia	Sunk – 18	35.08N-14.22E	Sunk by the destroyers Petard and Valissa (Queen) Olga (Greek) near Malta.
1/14/1943	Narvalo	Squalo	T.V. Ludovico Grion	Scuttled – 29	34.08N, 16.04E	Scuttled after an aerial bombardment off Malta
1/19/1943	Tritone	Tritone	C.C. Paolo Monechi	Sunk – 26	37.06N-05.22E	Scuttled after depth charges by the Canadian corvettes Antelope and Port Arthur near Bougie
1/20/1943	Santorre Santarosa	Bandiera	T.V. Giuseppe Simonetti	Scuttled – 3	37.10N-03.15E	Run aground and later torpedoed near Tripoli
2/9/1943	Malachite	Perla	T.V. Alpinolo Cinti	Sunk – 35	38.42N-08.52E	Torpedoed by the Dutch submarine Dolfijn near Cape Spartivento
2/17/1943	Asteria	Platino	T.V. Alfredo Morone	Sunk – 5	37.14N-04.27E	Scuttled after damage from the British destroyers H.M.S. Wheatland and H.M.S. Easton near Bougie at around 10:00 AM
3/11/1943	Alpino Bagnolini	Liuzzi	T.V. Aldo Congedo	Captured – 0		Captured by the Germans in Bordeaux, later sunk by British airplanes while in transit to Japan off Cape Good Hope
3/23/1943	Delfino	Squalo	T.V. Mario Violante	Sunk – 28	40.27N- 17.11E	Rammed by mistake by an Italian vessel near Taranto
4/15/1943	Archimede	Brin	C.C. Guido Saccardo	Sunk – 66	03.23S-30.28W	Sunk by an American plane (VP No 83 Squadron) near the island of Fernando di Noronha, off the Brazilian coast.
5/13/1943	Mocenigo	Marcello	T.V. Alberto Longhi	Sunk – 5	39.13N, 09.07E	Sunk by aerial bombardment in the port of Cagliari
5/18/1943	Enrico Tazzoli	Calvi	T.V. Giuseppe Caito	Sunk – 52		Sunk between the 18 and the 24 in the Bay of Biscay
5/21/1943	Gorgo	Tritone	C.C. Innocenzo Ragusa	Sunk – 48	36.01N-00.34W	Probably sunk off the Algeria coast by the US destroyer Nields
5/23/1943	Leonardo Da Vinci	Marconi	C.C. Gianfranco Gazzana Priaroggia	Sunk – 63	42.16N-15.40W	Sunk by depth charges by the frigates Active and Ness 300 miles off Vigo, Spain
6/16/1943	Barbarigo	Marcello	T.V. Umberto De Julio	Sunk – 58	45.00N, 03.00E	Lost between the 16th and the 24th in the Bay of Biscay
7/11/1943	Flutto	Tritone	T.V. Francesco Caprile	Sunk – 49	37.34N-15.43E	Sunk by British vospers off Syracuse
7/12/1943	Bronzo	Platino	T.V. Antonio Gherardi	Captured – 8	37.06N-15.24E	Captured by the British minesweeper H.M.S. Seaham, BostoN- Poole, and Cromarty near Syracuse
7/13/1943	Acciaio	Platino	T.V. Vittorio Pescatore	Sunk – 46	38.30N-15.49E	Torpedoed at 8:20 PM by the British submarine H.M.S. Unruly off the Sicilian port of Messina.
7/13/1943	Nereide	Sirena	T.V. Renato Scandola	Sunk – 21	37.25N-16.07E	Damaged by bombs and sunk by gun by the British destroyers Echo and Ilex near Augusta
7/15/1943	Remo	R	T.V. Salvatore Vassallo	Sunk – 56	39.19N-17.30E	Torpedoed by the British Submarine H.M.S. United near Taranto
7/18/1943	Romolo	R	T.V. Alberto Crepas	Sunk – 60	37.20N-16.18E	Sunk by aerial bombs near the Calabrian coast
7/23/1943	Ascianghi	Adua	S.T.V. Mario Fiorini	Sunk – 23	37.09N-14.22E	Sunk by depth charges by British destroyers H.M.S. Laforey and H.M.S. Eclipse near Augusta
7/29/1943	Micca	Micca	T.V. Paolo Scrobogna	Sunk – 56	39.48 N- 18.43 E	Torpedoed by the British submarine H.M.S. Trooper near Santa Maria di Leuca
8/3/1943	Argento	Platino	T.V. Leo Masina	Scuttled – 6	36.52N-12.08E	Scuttled after damage inflicted by the American destroyer U.S.S. Buck at 00.30 AM off the Island of Pantelleria
9/7/1943	Velella	Argo	T.V. Mario Patane	Sunk – 50	40.07N-14.50E	Torpedoed by the British Submarine H.M.S. Shakespeare near Punta Licosa
9/8/1943	Comandante Cappellini	Marcello	C.C. Walter Auconi	Captured – 0	05.55N-95.19E	Captured by the Japanese in Sapang
9/8/1943	Luigi Torelli	Marconi	T.V.c. Enrico Gropallo	Captured – 0	01.15N-103.49E	Captured by the Japanese in Sapang, later manned by the Germans and again by the Japanese
9/8/1943	Reginaldo Giuliani	Liuzzi	C.C. Mario Tei	Captured – 0	01.15N-103.49E	Captured by the Japanese in Sapang, later manned by the Germans and sunk by the British submarine H.M.S. Tally-Ho
9/9/1943	Murena	Tritone	C.C. Luigi Longanesi-Cattani	Scuttled – 1	44.06N- 09.50E	Scuttled in the port of La Spezia
9/9/1943	Sirena	Sirena	T.V. Giuseppe Savarese	Scuttled – 0	44.06N- 09.50E	Scuttled in the port of La Spezia
9/12/1943	Ametista	Sirena	S.T.V. Luigi Ginocchio	Scuttled – 3	43.36N- 13.29E	Scuttled off Ancona to avoid the surrender of the vessel to the British.
9/12/1943	Serpente	Argonauta	C.C. Raffaele Allegri	Scuttled – 0	43.36N- 13.29E	Scuttled off the port of Ancona
9/12/1943	Topazio	Sirena	T.V. Pier Vittorio Casarini	Sunk – 49	39.04N-9.32E	Sunk off Cape Carbonara (Sardinia) by a British airplane.
3/23/1945	CB 13	CB	S.T.V. Francesco Gallinaro	Sunk – 0	44.52N-13.52E	Sunk in Pola by Allied bombing
3/31/1945	CB 18	CB	G.M. Alberto Coletti	Sunk – 0		Lost near Pesaro
4/3/1945	CB 17	CB	G.M. Gabriele Battistini	Sunk – 0		Lost near Cattolica
4/29/1945	CB 21	CB	G.M. Paolo De Nicola	Sunk – 0		Sunk by the Germans
	CB 19	CB	G.M. Danilo Colucci	Captured – 0		Captured by the Yugoslavs
	CB 20	CB	S.T.V. Antonio Galante	Captured – 0		Captured by the Yugoslavs
	CB 16	CB	S.T.V. Giuseppe Tendi	Surrendered – 0		Surrendered to the Allied after three crewmembers murdered the commanding officer.