Italian submarines in World War Two

Squalo (SQ)

TypeOcean going 
ClassSqualo (6) 
Laid down 10 Oct 1928 Cantiere Navale Triestino, Monfalcone
Launched15 Jan 1930
Commissioned10 Oct 1930
End service
Stricken1 Feb 1948
Loss date
Loss position
History Stricken on 1st February 1948.


CommanderDate fromDate toCommand notes
C.C. Giuseppe Migeca20 Dec 193914 Jul 1940
T.V. Gustavo Lovatelli14 Jul 19408 Aug 1940
C.C. Giuseppe Migeca9 Aug 194031 Dec 1940
T.V. Lodovico Grion1 Jan 194121 Feb 1942
C.C. Paolo Vagliasindi21 Feb 19426 Jun 1942
C.C. Mario Resio6 Jun 19421 Sep 1942
C.C. Mario Tei1 Sep 194217 Apr 1943
C.F. Mario Vannutelli29 Apr 194331 May 1943
T.V. Pasquale Gigli1 Jun 194316 Jun 1943
C.C. Gustavo Lovatelli17 Jun 194325 Jul 1943
T.V. Carlo Girola25 Jul 194318 Nov 1943
T.V. Vittorio Barra19 Nov 194315 Jan 1944
T.V. Alfredo Fellner15 Jan 19441 May 1944
S.T.V. Fernando Ubaldelli1 May 1944Aug 1945

Ships hit

No ships hit by this submarine.

Patrols and events

 CommanderDateTimePortArr. dateArr. timeArr. portMilesDescription
1Migeca, Giuseppe8 Jun 19402045Leros15 Jun 19400805Leros431Patrolled off Dardanelles. Only neutral vessels encountered.

2Migeca, Giuseppe19 Jun 19400400Leros26 Jun 19400754Leros400Patrolled in Kaso Straits, 15 miles north-east of Cape Sidero. Reached patrol area at 0426/20.
  19 Jun 19401345
(0) Off Alimnia.
The submarine sighted MAS 537 which came alongside. Governor De Vecchi and Rear-Admiral Banchieri visited the submarine. The visit lasted from 1400 to 1425 hours.
  21 Jun 19400510
(0) 205° - Plati Islet - 2.5 miles.
The submarine felt as if a cable was scratching the hull. Could this be an old mine? Fortunately nothing happened.
  25 Jun 19400118
(0) Off Cape Sidero?
A shadow was sighted in the mist. It could have been a submarine, so Squalo submerged to try to follow it with her hydrophones but heard nothing. At 2010 hours, she surface and made for home.

Migeca, Giuseppe8 Jul 19400800Leros8 Jul 19401035Leros11Exercises.

3Lovatelli, Gustavo24 Jul 19402200Leros6 Aug 19400818Leros846Patrolled north of Crete, 5 miles south of Castello Point (Scarpanto) and from 10 miles south of Cape Prassonis to 10 miles east of Kupho Island. Uneventful.

4Migeca, Giuseppe16 Sep 19400831Leros26 Sep 19400852Leros682Patrolled north of Crete, from Cape Spada to Cape Spinalonga on a patrol line with Narvalo. Uneventful. Her attack periscope needed to be replaced.

Migeca, Giuseppe22 Oct 19400813Leros22 Oct 19401150Leros19Exercises.

Migeca, Giuseppe31 Oct 19400850Leros31 Oct 19401020Leros4Exercises.

Migeca, Giuseppe9 Nov 19400830Leros9 Nov 19401230Leros10Exercises.

Migeca, Giuseppe17 Nov 19402357Leros21 Nov 19401602Taranto682Passage Leros-Taranto then refit.
  21 Nov 19400710Three armed steamers were sighted, one of them (Egitto) came toward the submarine and exchanged recognition signals.

Grion, Lodovico9 Mar 19410907Taranto9 Mar 19411620Taranto28Exercises.

Grion, Lodovico14 Mar 19410849Taranto14 Mar 19411525Taranto38Exercises.

Grion, Lodovico15 Mar 19410800Taranto15 Mar 19411715Taranto31,5Exercises.

Grion, Lodovico25 Mar 19411255Taranto25 Mar 19411840Taranto41Exercises.

Grion, Lodovico26 Mar 19411200Taranto26 Mar 19411824Taranto62Exercises.

Grion, Lodovico3 Apr 19411220Taranto3 Apr 19411648Taranto33Exercises.

Grion, Lodovico4 Apr 19411030Taranto4 Apr 19411748Taranto52Exercises with the steamer Sandrina.

Grion, Lodovico5 Apr 19411030Taranto5 Apr 19411625Taranto43Exercises with the pilot vessel Limbara.

Grion, Lodovico8 Apr 19410830Taranto8 Apr 19411700Taranto65Exercises, escorted by the pilot vessel Limbara.

Grion, Lodovico10 Apr 19410820Taranto10 Apr 19411627Taranto44Exercises, escorted by the auxiliary Sandrina.

5Grion, Lodovico13 Apr 19412152Taranto14 Apr 19411004Taranto79,5Hydrophone watch in Gulf of Taranto. Uneventful.

Grion, Lodovico16 Apr 19410800Taranto16 Apr 19410940Taranto12Trials.

6Grion, Lodovico21 Apr 19411045Taranto8 May 19411318Leros1535Patrolled in south of Crete, within 20 miles from 34°20'N, 25°00'E on a NE-SW axis. On 30th April, she was ordered to shift her position 120 miles eastward. This was Grion's first patrol in command. He had already made four other patrols but without encountering the enemy. He was criticized for failing to attack the convoy on 2nd May, but was shown some indulgence due to his inexperience.
  25 Apr 1941134534° 20'N, 23° 45'EA steamer was sighted, followed by two surfaced submarines steering 090°.These were recognized as French. There were actually three submarines: Dauphin, Espadon and Phoque, escorted by an auxiliary sailing on westerly course from Beirut to Bizerta to be disarmed.
  30 Apr 1941015334° 01'N, 24° 45'ETwo destroyers were sighted at 1,000 metres proceeding toward the submarine. The submarine dived but was not attacked.
  1 May 1941105534° 18'N, 26° 36'EThe submarine heard H.E. and later explosions in the distance and remained submerged.
  2 May 19410120-035534° 18'N, 26° 36'E
(0) Approximately.
The submarine heard H.E. of two vessels apparently steering 140° and remained submerged. No attempt was made to carry an attack.

7Grion, Lodovico19 May 19411315Leros2 Jun 19411600Messina1467Patrolled between Kaso Straits and Alexandria, in 34°00'N, 27°40'E on a NE-SW axis. Then off Koupho Island (south of Crete). Uneventful. Only heard H.E.

Grion, Lodovico21 Jun 19410800Messina21 Jun 19410558?Messina4Trials.

Grion, Lodovico23 Jun 19410800Messina23 Jun 19411338Messina30Trials escorted by MAS 524 and the auxiliary Castiglia.

Grion, Lodovico24 Jun 19411358Messina25 Jun 19410740Trapani190Passage Messina-Trapani.

Grion, Lodovico3 Jul 19410758Trapani3 Jul 19411151Trapani18,2Exercises.

Grion, Lodovico7 Jul 19410800Trapani7 Jul 19411145Trapani24,5Exercises.

Grion, Lodovico10 Jul 19410808Trapani10 Jul 19411214Trapani19Exercises.

Grion, Lodovico17 Jul 19412000Trapani18 Jul 19411408Messina190Passage Trapani-Messina.

8Grion, Lodovico19 Jul 19412100Messina3 Aug 19411448Messina1950Patrolled off Ras Azzaz through Point S (37°40'N, 18°20'E) to area between 32°00'N and 32°40'N, and between 24°40'E and 25°00'E.
  24 Jul 1941230632° 20'N, 24° 53'EA 10,000-ton steamer was sighted steering 260°, 10 knots. Later, it was established to be a tanker of the WAR class (11,600 GRT). Range was closed to 1,000 metres and two bow torpedoes were fired at an interval of 6 seconds and angled 15°. A column of smoke was observed, but no explosion heard and Grion concluded that the attack had missed.
  27 Jul 19411824
(0) Off Marsa El Aora (near Ras El Azzaz).
A column of water was sighted at 2,000 metres. Since no aircraft or vessel was in sight, Grion assumed that a coastal battery had opened fire. He took his submarine down and moved northward, finally surfacing at 1945 hours and resumed his patrol.
  30 Jul 19412034
1941 (e)
32° 19'N, 24° 55'E
(e) 32° 20'N, 24° 59'E
A submarine chaser was sighted at 3,000 meters followed by another. These were actually the destroyers HMS Hotspur and HMAS Vendetta. The submarine tried to attack the nearest one, but was sighted and had to crash dive, The first depth-charge exploding with Squalo at a depth of 30 meters and ten more patterns until 2221 hours. HMS Hotspur had actually dropped three and HMAS Vendetta another six. Grion estimated that they had detonated at distances between 100 and 200 metres at variable depths.

Grion, Lodovico22 Aug 19410830Messina22 Aug 19411635Messina1950Exercises.

Grion, Lodovico22 Aug 19412325Messina23 Aug 19411725Trapani185Passage Messina-Trapani.

9Grion, Lodovico23 Aug 19412055Trapani5 Sep 19410808Trapani1850Patrolled east of Cape Bon, between 37°12'N and Cape Bon, and between 11°00'E and 11°05'E.
  27 Aug 19410422
(0) 23° - Cape Bon (Tunisia) - 3 miles.
A fast 10,000-ton steamer was sighted on 300° course. This was Deucalion on passage from Malta to Gibraltar. The submarine attempted in vain to intercept but the vessel disappeared in the distance.
  27 Aug 19411337
(0) 163° - Cape Bon (Tunisia) - 5 miles.
A Sunderland aircraft apparently attacked the submarine. The submarine submerged and heard explosions, the first ones were near but were followed by others at a distance. Between 1510 and 1540 hours, more explosions were heard attributed to an aircraft.

Grion, Lodovico20 Sep 19410730Trapani20 Sep 19411056Trapani14,5Exercises with submarine Delfino escorted by auxiliary Petsamo.

10Grion, Lodovico25 Sep 19411824Trapani2 Oct 19410922Trapani976Patrolled southwest of Sardinia between 38°10'N and 38°30'N, and between 07°20'E and 07°40'E, on a patrol line with Bandiera. On 28th September, ordered to 37°20'N, 07°30'E.
  28 Sep 1941033037° 51'N, 7° 30'EA submarine was seen at 3,000 metres and believed to be Bandiera therefore no action was taken.
  29 Sep 19410720-1310
0810 (e)

(e) 37° 26'N, 7° 14'E
Three destroyers hunted the submarine. It was probably HMS Gurkha actually hunting Bandiera.
  30 Sep 19410100An unknown submarine course 270° was seen at 1,000 metres and was believed to be Italian. This was probably Bandiera.

11Grion, Lodovico17 Oct 19412240Trapani20 Oct 19411715Trapani351Patrolled in zone K1, off Cape Bon, on a patrol line with Narvalo. Uneventful.

12Grion, Lodovico11 Nov 19411400Trapani16 Nov 19410736Trapani535Patrolled west of Marettimo, between 37°50'N and 38°10'N, 11°10'E and 11°35'E. Uneventful.

13Grion, Lodovico16 Nov 19411838Trapani20 Nov 19410815Trapani445Patrolled west of Malta, between 36°20'N and 36°40'N, 13°20'E and 13°40'E. Uneventful. Heard only H.E.

14Grion, Lodovico20 Nov 19411630Trapani24 Nov 19411545Trapani600Patrolled southeast of Cape Passero, between 36°20'N and 36°40'N, 15°20'E and 15°40'E. Uneventful. Heard only H.E. Returned via Cape Passero at 2100/23.

15Grion, Lodovico9 Dec 19410215Trapani22 Dec 19411800Trapani1617Patrolled southwest of Malta between 34°20'N and 35°00'N, and between 14°00'E and 14°40'E.
  18 Dec 1941075034° 43'N, 14° 28'ESqualo heard hydrophone effects apparently from vessels on A/S hunt. Later a dark shape, believed to be a destroyer, was sighted with the periscope. Distant explosions were heard, but the submarine was not attacked.
  19 Dec 1941084235° 10'N, 14° 00'EA light cruiser of the PERTH class and two destroyers were observed from a distance of 10,000 metres, proceeding steering 090° toward Malta at 14 knots. Squalo was too far to intercept them.
  19 Dec 1941091535° 10'N, 14° 00'EA cruiser and a destroyer, following the first group, were observed at a distance of 6,000 metres, course 080°. Again, Squalo was too far to attack.
  19 Dec 1941182035° 20'N, 14° 15'EAs the submarine was surfacing, three destroyers were observed sailing eastward. Squalo dived, stopped her engines and was not detected.

16Grion, Lodovico15 Jan 19422200Trapani25 Jan 19422200Trapani1268Patrolled south and southwest of Malta, within 8 miles from 35°30'N, 13°20'E on a patrol line with the submarines Narvalo and Santarosa. At 2000 hours on the 17th, she received order to shift patrol 8 miles to the east (35°30'N, 13°32'E). On 18th January, her patrol was moved to Grid 0132 (35°20'N, 15°30'E?). On 21st January, her patrol area was shifted 45 miles eastward to Grid 7061.
  16 Jan 1942170535° 40'N, 13° 05'EThe submarine sighted a red Very light. This turned out to be two German pilots (Willy Junger and Albert Werner) in a raft. Their Me 110 of ZG.26 based at Trapani had been shot down. The two men were rescued.
  18 Jan 19422100The submarines were ordered by signal (1954/18) to form a patrol line to intercept the convoy from Alexandria reported in the afternoon: Santarosa in Italian Grid 0132 (34°30' N, 15°30' E), Squalo in Grid 8332 (probably 35°20' N, 15°30' E) and Narvalo in Grid 2732 (probably 35°02' N, 15°30' E). Squalo proceeded to the new position, but sighted nothing.

Grion, Lodovico29 Jan 19421600Trapani31 Jan 19421640Taranto501Passage Trapani-Taranto. Uneventful.

Grion, Lodovico4 Feb 19420830Taranto6 Feb 19421430Pola545Passage Taranto-Pola. Uneventful.

Vagliasindi, Paolo21 Apr 19420900Pola21 Apr 19421635Pola64Trials.

Vagliasindi, Paolo22 Apr 19420840Pola22 Apr 19421600Pola18Gyrocompass tests.

Vagliasindi, Paolo28 Apr 19421253Pola28 Apr 19421850Pola30Exercises.

Vagliasindi, Paolo8 May 19421324Pola8 May 19421915Pola25Exercises.

Vagliasindi, Paolo9 May 19421315Pola9 May 19421920Pola25Exercises.

Vagliasindi, Paolo12 May 19420800Pola12 May 19421545Pola32Exercises.

Vagliasindi, Paolo13 May 19421315Pola13 May 19421920Pola36Exercises.

Vagliasindi, Paolo15 May 19420832Pola15 May 19421400Pola25Exercises.

Vagliasindi, Paolo23 May 19420815Pola23 May 19421045Pola12Exercises.

17Vagliasindi, Paolo25 May 19421651Pola26 May 19420845Pola106Sailed with Mameli for hydrophone watch and exercises with battleship Roma in (a) area between 45°31'N, 12°55'E, 45°22'45'N, 13°01.5'E, 45°18'20'N, 12°50'E, 45°26.5'N, 12°43.5'E (b) area between 45°15'N and 45°24'N, 13°10'E and 13°2'5 E. Uneventful.

Vagliasindi, Paolo28 May 19421120Pola28 May 19421620Pola10Exercises.

Vagliasindi, Paolo29 May 19421324Pola29 May 19421920Pola13Exercises.

Vagliasindi, Paolo30 May 19421320Pola30 May 19421700Pola8,2Exercises.

Resio, Mario9 Jun 19420800Pola9 Jun 19421220Pola24Exercises.

Resio, Mario13 Jun 19420800Pola13 Jun 19421305Pola27Exercises.

Resio, Mario16 Jun 19420820Pola16 Jun 19421500Pola29Exercises.

Resio, Mario17 Jun 19421336Pola17 Jun 19421940Pola29Exercises.

Resio, Mario19 Jun 19420820Pola19 Jun 19421500Pola29Exercises.

Resio, Mario20 Jun 19420821Pola20 Jun 19421250Pola24Exercises.

Resio, Mario22 Jun 19420830Pola22 Jun 19421300Pola29Exercises.

18Resio, Mario23 Jun 19421422Pola24 Jun 19420930Pola116Patrolled in northern Adriatic. Uneventful.

Resio, Mario25 Jun 19420900Pola25 Jun 19421444Pola30Exercises.

Resio, Mario27 Jun 19420810Pola27 Jun 19421252Pola32Exercises.

Resio, Mario1 Jul 19421248Pola1 Jul 19421905Pola38Exercises.

19Resio, Mario2 Jul 19421830Pola3 Jul 19421025Pola127Defensive night patrol in northern Adriatic. Uneventful.

Resio, Mario4 Jul 19421320Pola4 Jul 19421640Pola19Exercises.

Resio, Mario7 Jul 19421350Pola7 Jul 19421930Pola34Exercises.

Resio, Mario8 Jul 19420810Pola8 Jul 19421220Pola30Exercises.

20Resio, Mario10 Jul 19421830Pola11 Jul 19421025Pola127Defensive night patrol in northern Adriatic. Uneventful.

21Resio, Mario12 Jul 19421900Pola13 Jul 19420900Pola82Defensive night patrol in northern Adriatic. Uneventful.

22Resio, Mario14 Jul 19421830Pola15 Jul 19420915Pola114Defensive night patrol in northern Adriatic. Uneventful

23Resio, Mario17 Jul 19422105Pola18 Jul 19420840Pola94Defensive night patrol in northern Adriatic. Uneventful.

Resio, Mario21 Jul 19420805Pola21 Jul 19421430Pola31Exercises.

Resio, Mario22 Jul 19420810Pola22 Jul 19421430Pola34Exercises.

Resio, Mario24 Jul 19420805Pola25 Jul 19420800Pola53Exercises.

24Resio, Mario28 Jul 19421900Pola29 Jul 19421012Pola107Defensive night patrol in northern Adriatic. Uneventful.

Resio, Mario3 Aug 19421410Pola3 Aug 19421900Pola30Exercises.

Resio, Mario4 Aug 19420834Pola4 Aug 19421425Pola32Exercises.

Resio, Mario4 Aug 19421730Pola5 Aug 19421012Pola97Exercises.

Resio, Mario6 Aug 19420814Pola6 Aug 19421200Pola26,5Exercises.

Resio, Mario12 Aug 19420830Pola12 Aug 19421352Pola31Exercises.

Resio, Mario14 Aug 19420805Pola14 Aug 19421130Pola26,5Exercises.

Resio, Mario16 Aug 19421230Pola16 Aug 19421830Pola31Exercises.

Resio, Mario18 Aug 19420825Pola18 Aug 19421024Pola18,2Exercises.

25Resio, Mario19 Aug 19422350Pola22 Aug 19421500Taranto597Hydrophone watch in 39°30'N, 18°35'E then passage Pola-Taranto. Uneventful. Sighted only Italian warships and merchant ships.

Resio, Mario23 Aug 19421410Taranto25 Aug 19421605Pola568Passage Taranto-Pola. Sighted only Italian vessels.

Tei, Mario8 Sep 19420800Pola8 Sep 19421225Pola23Exercises.

Tei, Mario10 Sep 19421400Pola10 Sep 19422130Pola30Exercises.

Tei, Mario11 Sep 19420730Pola11 Sep 19421220Pola5Exercises.

Tei, Mario12 Sep 19421400Pola12 Sep 19422130Pola22Exercises.

Tei, Mario15 Sep 19420800Pola16 Sep 19420022Pola51Exercises.

Tei, Mario16 Sep 19421804Pola16 Sep 19422255Pola30Exercises.

Tei, Mario24 Sep 19420800Pola24 Sep 19422215Pola64Exercises.

Tei, Mario26 Sep 19420635Pola26 Sep 19421230Pola34Exercises.

Tei, Mario2 Oct 19420800Pola2 Oct 19422330Pola85Exercises.

Tei, Mario3 Oct 19420730Pola3 Oct 19422345Pola60Exercises with torpedo boats Uragano and T.3 and the tug Parenzo towing a target.

Tei, Mario5 Oct 19420500Pola5 Oct 19421030Fiume58Passage Pola-Fiume.

Tei, Mario6 Oct 19421025Fiume7 Oct 19420015Fiume11Exercises.

Tei, Mario8 Oct 19420745Fiume8 Oct 19421255Fiume30Exercises.

Tei, Mario9 Oct 19421005Fiume9 Oct 19422310Fiume79Exercises.

Tei, Mario12 Oct 19420615Fiume12 Oct 19421117Pola58Passage Fiume-Pola.

Tei, Mario13 Oct 19420818Pola13 Oct 19421900Pola31Exercises.

Tei, Mario14 Oct 19421508Pola15 Oct 19421115Pola2Trials.

Tei, Mario19 Oct 19421340Pola19 Oct 19421825Pola34Exercises.

Tei, Mario21 Oct 19421425Pola21 Oct 19422230Pola47Exercises.

Tei, Mario22 Oct 19420810Pola22 Oct 19420930Pola3Exercises.

Tei, Mario23 Oct 19421502Pola23 Oct 19422240Pola48Exercises.

Tei, Mario24 Oct 19420835Pola24 Oct 19421310Pola40Exercises.

Tei, Mario27 Oct 19421330Pola27 Oct 19421833Pola40Exercises.

Tei, Mario3 Nov 19420805Pola3 Nov 19421615Pola26Exercises.

Tei, Mario5 Nov 19420825Pola5 Nov 19421706Pola20Exercises.

Tei, Mario7 Nov 19420702Pola7 Nov 19422023Pola40Exercises.

Tei, Mario10 Nov 19420700Pola10 Nov 19422037Pola32Exercises.

Tei, Mario12 Nov 19420830Pola12 Nov 19421150Pola19Exercises.

Tei, Mario13 Nov 19420800Pola13 Nov 19421855Pola20Exercises.

26Tei, Mario14 Nov 19421415Pola15 Nov 19421015Pola100Defensive night patrol in northern Adriatic with the submarine Bandiera. Uneventful.

Tei, Mario16 Nov 19420705Pola16 Nov 19421835Pola30Exercises.

Tei, Mario18 Nov 19420700Pola18 Nov 19422027Pola30Exercises.

Tei, Mario23 Nov 19420800Pola23 Nov 19421900Pola17Exercises.

Tei, Mario24 Nov 19420700Pola24 Nov 19421230Pola12Exercises.

Tei, Mario27 Nov 19421028Pola27 Nov 19421700Pola15Exercises.

Tei, Mario1 Dec 19420700Pola1 Dec 19421800Pola38Exercises.

Tei, Mario7 Dec 19420718Pola7 Dec 19421800Pola34,8Trials.

Tei, Mario9 Dec 19420715Pola9 Dec 19421800Pola35Trials.

Tei, Mario12 Dec 19420739Pola12 Dec 19421735Pola30Trials.

Tei, Mario13 Dec 19420930Pola13 Dec 19421020Pola3Exercises.

Tei, Mario15 Dec 19420803Pola15 Dec 19421205Pola30Trials.

Tei, Mario16 Dec 19421030Pola16 Dec 19421622Pola26Trials.

Tei, Mario30 Dec 19421030Pola30 Dec 19421130Pola3Changed anchorage.

Tei, Mario14 Jan 19430755Pola14 Jan 19431540Pola20Trials.

Tei, Mario22 Jan 19430500Pola22 Jan 19431055Fiume62Passage Pola-Fiume.

Tei, Mario22 Jan 19430500Pola22 Jan 19431055Sussa (Fiume)62Passage Pola-Sussa (Fiume).

Tei, Mario23 Jan 19431030Pola23 Jan 19431540Pola20Exercises.

Tei, Mario25 Jan 19431143Pola25 Jan 19432245Pola60Exercises.

Tei, Mario26 Jan 19431045Pola26 Jan 19432120Pola58Exercises.

Tei, Mario28 Jan 19431044Pola28 Jan 19432335Pola68Exercises.

Tei, Mario29 Jan 19431041Pola29 Jan 19432120Pola49Exercises.

Tei, Mario2 Feb 19431100Fiume2 Feb 19431543Fiume20Exercises.

Tei, Mario3 Feb 19431010Fiume3 Feb 19432123Fiume45Exercises.

Tei, Mario4 Feb 19431030Fiume4 Feb 19432120Fiume52Exercises.

Tei, Mario6 Feb 19431035Fiume6 Feb 19432235Fiume68Exercises.

Tei, Mario8 Feb 19431000Fiume8 Feb 19432140Fiume40Exercises.

Tei, Mario10 Feb 19431015Fiume10 Feb 19432130Fiume42Exercises.

Tei, Mario11 Feb 19431050Fiume11 Feb 19432230Fiume82Exercises.

Tei, Mario13 Feb 19431000Fiume13 Feb 19432205Fiume57Exercises.

Tei, Mario15 Feb 19431103Fiume15 Feb 19431215Fiume12Exercises.

Tei, Mario16 Feb 19431030Fiume16 Feb 19431610Fiume26Exercises.

Tei, Mario18 Feb 19431031Fiume18 Feb 19431710Fiume22Exercises.

Tei, Mario19 Feb 19431005Fiume19 Feb 19432218Fiume46Exercises.

Tei, Mario20 Feb 19431210Fiume20 Feb 19432118Fiume30Exercises.

Tei, Mario22 Feb 19430846Fiume22 Feb 19431332Fiume9Exercises.

Tei, Mario22 Feb 19431720Fiume22 Feb 19432315Fiume27Exercises.

Tei, Mario23 Feb 19430930Fiume23 Feb 19431835Fiume16Exercises.

Tei, Mario25 Feb 19430930Fiume25 Feb 19432216Fiume42Exercises.

Tei, Mario26 Feb 19431012Fiume26 Feb 19432300Fiume43Exercises.

Tei, Mario27 Feb 19431230Fiume27 Feb 19431800Fiume13Exercises.

Tei, Mario1 Mar 19430945Fiume1 Mar 19432315Fiume16Exercises.

Tei, Mario4 Mar 19431030Fiume4 Mar 19432145Fiume38Exercises.

Tei, Mario6 Mar 19431000Fiume6 Mar 19432225Fiume51Exercises.

Tei, Mario8 Mar 19431240Fiume8 Mar 19431830Fiume21Exercises.

Tei, Mario10 Mar 19431125Fiume10 Mar 19432325Fiume58Exercises.

Tei, Mario12 Mar 19430910Fiume12 Mar 19432320Fiume72Exercises.

Tei, Mario14 Mar 19432333Fiume15 Mar 19430528Pola61Passage Fiume-Pola, escorted by torpedo boat T.3.

Tei, Mario14 Mar 19432339Fiume15 Mar 19430523Pola61Passage Fiume-Pola.

Tei, Mario19 Mar 19430820Pola19 Mar 19431224Pola13Exercises.

Tei, Mario20 Mar 19430750Pola20 Mar 19431230Pola11Exercises.

Tei, Mario20 Mar 19431520Pola20 Mar 19432115Pola12Exercises.

Tei, Mario23 Mar 19430000Pola23 Mar 19430720Fiume65Passage Pola-Fiume escorted by the torpedo boat T.3. Then refit.

Vannutelli, Mario5 May 19431400Fiume5 May 19431718Fiume14Trials.

Vannutelli, Mario10 May 19431925Fiume11 May 19430345Pola65Passage Fiume-Pola, escorted by the torpedo boat Pilo.

Vannutelli, Mario12 May 19431400Pola12 May 19431845Pola11Exercises.

Vannutelli, Mario14 May 19431405Pola14 May 19431840Pola16Exercises.

Vannutelli, Mario17 May 19430803Pola17 May 19430820Pola2Changed anchorage.

Vannutelli, Mario23 May 19430815Pola23 May 19430830Pola2Changed anchorage.

Vannutelli, Mario27 May 19430801Pola27 May 19431138PolaExercises.

Vannutelli, Mario27 May 19431405Pola27 May 19431852Pola58Exercises [mileage includes morning sortie].

Vannutelli, Mario31 May 19430757Pola31 May 19431205PolaExercises.

Vannutelli, Mario31 May 19431425Pola31 May 19431857Pola36Exercises [mileage includes morning sortie].

Gigli, Pasquale1 Jun 19430920Pola1 Jun 19431240Pola6Demagnetization.

Gigli, Pasquale2 Jun 19430800Pola2 Jun 19431905Pola50Exercises.

Gigli, Pasquale5 Jun 19430930Pola5 Jun 19431000Pola0Changed anchorage.

Gigli, Pasquale7 Jun 19430805Pola7 Jun 19431320Pola35Exercises.

Gigli, Pasquale7 Jun 19431502Pola7 Jun 19431844Pola24Exercises.

Gigli, Pasquale8 Jun 19430802Pola8 Jun 19431300Pola20Exercises.

Gigli, Pasquale8 Jun 19431630Pola8 Jun 19431915Pola18Exercises.

Gigli, Pasquale9 Jun 19430800Pola9 Jun 19430820Pola0Changed anchorage.

Gigli, Pasquale11 Jun 19431030Pola11 Jun 19431120Pola0Changed anchorage.

Gigli, Pasquale14 Jun 19430800Pola14 Jun 19431325Pola30Exercises with the torpedo boat Audace.

Gigli, Pasquale14 Jun 19431500Pola14 Jun 19431930Pola19Exercises.

Lovatelli, Gustavo17 Jun 19430920Pola17 Jun 19431220Pola20Exercises.

Lovatelli, Gustavo23 Jun 19430750Pola23 Jun 19431300Pola20Exercises.

Lovatelli, Gustavo23 Jun 19431518Pola23 Jun 19431845Pola12Exercises.

Lovatelli, Gustavo24 Jun 19430820Pola24 Jun 19431300Pola26Exercises.

Lovatelli, Gustavo25 Jun 19430805Pola25 Jun 19431110Pola15Exercises.

Lovatelli, Gustavo1 Jul 19430750Pola1 Jul 19431130Pola20Exercises.

Lovatelli, Gustavo2 Jul 19430815Pola2 Jul 19431855Pola29Exercises.

Lovatelli, Gustavo3 Jul 19430803Pola3 Jul 19431845Pola49Exercises.

Lovatelli, Gustavo5 Jul 19430745Pola5 Jul 19431850Pola52Exercises.

Lovatelli, Gustavo6 Jul 19430800Pola6 Jul 19431850Pola50Exercises.

Lovatelli, Gustavo10 Jul 19430800Pola10 Jul 19431020Pola15Exercises.

Lovatelli, Gustavo16 Jul 19432340Pola18 Jul 19431425Brindisi385Passage Pola-Brindisi.

Lovatelli, Gustavo19 Jul 19431602Brindisi19 Jul 19431910Brindisi11,5Exercises.

Girola, Carlo29 Jul 19430720Brindisi29 Jul 19431050Brindisi14,5Exercises.

Girola, Carlo31 Jul 19430750Brindisi31 Jul 19431135Brindisi16,5Exercises.

Girola, Carlo3 Sep 19432110Brindisi5 Sep 19430750Taranto184,5Passage Brindisi-Taranto.

27Girola, Carlo7 Sep 19431415Taranto10 Sep 19431930Augusta450Sailed for patrol in southern Tyrrhenian Sea, off Cape Colonne, and arrived in Augusta to surrender.
  9 Sep 19430750Three British corvettes were sighted, but although Squalo was proceeding on her way to surrender, Girola elected to submerge.
  9 Sep 19431030The submarine Bragadino was encountered and after a discussion, the two commanders agreed to proceed to Augusta.
  9 Sep 19431110The same three British corvettes were sighted again, but no action was taken.
  9 Sep 19431210The same three British corvettes were sighted again, but no action was taken.
  9 Sep 19431510The submarine Bandiera came into view and the three submarine commanders met on board Bragadino to discuss the situation. There were some doubts as to the authenticity of the orders received, but at 2115 hours and these were confirmed and the three submarines proceeded to Augusta.

Girola, Carlo17 Sep 19430545Augusta17 Sep 19431815Malta106Passage Augusta-Malta with submarines Bragadino, Vortice and Zoea.

Barra, Vittorio19 Nov 19431622Malta20 Nov 19430930Augusta108Passage Malta-Augusta with the submarines Brin, Settembrini and Bandiera, escorted by the Corvette Chimera (also Jalea and H.2?).

Barra, Vittorio23 Nov 19430645Augusta24 Nov 19431200Naples265Passage Augusta-Naples with submarine Bandiera, escorted by HMS Paladin.

Barra, Vittorio1 Dec 19430930Naples1 Dec 19431535Naples32Passage Naples-Castellamare di Stabbia, arrived at 1145 hours but could not dock because of bad weather and turned back at 1320 hours.

Barra, Vittorio2 Dec 19431210Naples2 Dec 19431440Castellamare di Stabbia12Passage Naples-Castellamare di Stabbia.

Barra, Vittorio5 Dec 19431430Castellammare di Stabia7 Dec 19431620Taranto449Passage Castellammare di Stabia-Taranto with the submarines Vortice, Platino and Onice, escorted by the corvettes Gru and Minerva.

Barra, Vittorio12 Jan 19440940Taranto12 Jan 19441517Taranto41,2Exercises.

Fellner, Alfredo20 Jan 19440740Taranto20 Jan 19441357Taranto26,9Exercises with the torpedo boat Ariete and the corvette Baionetta.

Fellner, Alfredo22 Jan 19441110Taranto22 Jan 19441720Taranto34,5Exercises.

Fellner, Alfredo22 Feb 19441045Taranto22 Feb 19441730Taranto37,5Independent exercises.

Fellner, Alfredo24 Feb 19440715Taranto24 Feb 19441223Taranto27,5Exercises.

Fellner, Alfredo2 Mar 19440655Taranto2 Mar 19441257Taranto34Exercises.

Fellner, Alfredo4 Mar 19440645Taranto4 Mar 19441417Taranto36Exercises.

Fellner, Alfredo24 Mar 19440720Taranto24 Mar 19441715Taranto53Exercises.

Fellner, Alfredo29 Mar 19440710Taranto29 Mar 19441540Taranto36,5Exercises.

Fellner, Alfredo30 Mar 19440655Taranto30 Mar 19441257Taranto35Exercises.

Fellner, Alfredo5 Apr 19440701Taranto5 Apr 19441621Taranto47,2Exercises with the corvette Chimera and the submarine chaser Regina Elena.

Fellner, Alfredo1 May 19440818Taranto1 May 19441310Taranto34,3Exercises with the torpedo boat Fortunale and the submarine chaser Regina Elena.

Ubaldelli, Fernando4 May 19440632Taranto4 May 19441550Taranto52,7Exercises.

Ubaldelli, Fernando17 May 19440649Taranto17 May 19441445Taranto50,5Exercises.

Ubaldelli, Fernando5 Jun 19440715Taranto5 Jun 19441410Taranto19,5Exercises.

Ubaldelli, Fernando7 Jun 19440715Taranto7 Jun 19441335Taranto20,3Exercises.

Ubaldelli, Fernando10 Jun 19441705Taranto12 Jun 19441020Naples405Passage Taranto-Naples.

Ubaldelli, Fernando26 Jun 19440630Naples28 Jun 19440800Taranto433Passage Naples-Taranto.

Ubaldelli, Fernando5 Jul 19440536Taranto5 Jul 19441427Taranto43,3Exercises.

Ubaldelli, Fernando8 Jul 19440623Taranto8 Jul 19441415Taranto28,7Exercises.

Ubaldelli, Fernando10 Jul 19440635Taranto10 Jul 19441640Taranto43,8Exercises.

Ubaldelli, Fernando12 Jul 19440633Taranto12 Jul 19441445Taranto44Exercises.

Ubaldelli, Fernando22 Jul 19440645Taranto22 Jul 19441230Taranto22,2Exercises.

Ubaldelli, Fernando27 Jul 19440618Taranto27 Jul 19441240Taranto26,2Exercises.

Ubaldelli, Fernando5 Aug 19440618Taranto5 Aug 19441145Taranto24,6Exercises.

Ubaldelli, Fernando8 Aug 19440630Taranto8 Aug 19441140Taranto23,1Exercises.

Ubaldelli, Fernando12 Aug 19440618Taranto12 Aug 19441320Taranto27,5Exercises.

Ubaldelli, Fernando17 Aug 19440616Taranto17 Aug 19441307Taranto27,5Exercises.

Ubaldelli, Fernando22 Aug 19440618Taranto22 Aug 19441250Taranto27,3Exercises.

Ubaldelli, Fernando25 Aug 19440612Taranto25 Aug 19441305Taranto33Exercises.

Ubaldelli, Fernando26 Aug 19440620Taranto26 Aug 19441415Taranto39,2Exercises.

Ubaldelli, Fernando1 Sep 19440625Taranto1 Sep 19441300Taranto22,5Exercises.

Ubaldelli, Fernando12 Sep 19440531Taranto12 Sep 19441451Taranto64,3Exercises.

Ubaldelli, Fernando19 Sep 19440615Taranto19 Sep 19441515Taranto52Exercises.

Ubaldelli, Fernando23 Sep 19441500Taranto24 Sep 19440015Taranto75Exercises.

Ubaldelli, Fernando28 Sep 19440615Taranto28 Sep 19441215Taranto31,5Exercises.

Ubaldelli, Fernando29 Sep 19440615Taranto29 Sep 19441550Taranto58Exercises.

Ubaldelli, Fernando17 Oct 19440616Taranto17 Oct 19441450Taranto28,5Exercises.

Ubaldelli, Fernando19 Oct 19440613Taranto19 Oct 19441243Taranto23,8Exercises.

Ubaldelli, Fernando24 Oct 19440559Taranto24 Oct 19441425Taranto26,8Exercises.

Ubaldelli, Fernando26 Oct 19440617Taranto26 Oct 19440832Taranto3,1Sailed for exercises but then recalled.

Ubaldelli, Fernando31 Oct 19440611Taranto31 Oct 19441410Taranto27,3Exercises.

Ubaldelli, Fernando7 Nov 19441212Taranto7 Nov 19442114Taranto29,1Exercises.

Ubaldelli, Fernando9 Nov 19440926Taranto9 Nov 19441810Taranto31,3Exercises.

Ubaldelli, Fernando13 Nov 19440615Taranto13 Nov 19441415Taranto27,9Exercises.

Ubaldelli, Fernando23 Nov 19441550Taranto23 Nov 19441320Taranto27,1Exercises.

Ubaldelli, Fernando2 Dec 19440615Taranto2 Dec 19441730Taranto47,3Exercises.

Ubaldelli, Fernando8 Dec 19440750Taranto8 Dec 19441237Taranto19,2Exercises.

Ubaldelli, Fernando11 Dec 19440736Taranto11 Dec 19441618Taranto29,02Exercises.

Ubaldelli, Fernando13 Dec 19440742Taranto13 Dec 19441630Taranto28Exercises.

Ubaldelli, Fernando15 Dec 19440730Taranto15 Dec 19441625Taranto27,1Exercises.

Ubaldelli, Fernando18 Dec 19440747Taranto18 Dec 19441623Taranto30,7Exercises.

Ubaldelli, Fernando22 Dec 19440756Taranto22 Dec 19441620Taranto26,7Exercises.

Ubaldelli, Fernando9 Apr 19450847Taranto9 Apr 19451430Taranto30,3Exercises.

Ubaldelli, Fernando14 Apr 19450830Taranto14 Apr 19451555Taranto43,2Exercises.

Ubaldelli, Fernando23 Apr 19450825Taranto23 Apr 19451545Taranto25,2Exercises.

Ubaldelli, Fernando1 May 19450735Taranto1 May 19451625Taranto50,1Exercises.

Ubaldelli, Fernando7 May 19451310Taranto7 May 19452210Taranto50,8Exercises.

Ubaldelli, Fernando21 May 19450736Taranto21 May 19451730Taranto58Exercises.

Ubaldelli, Fernando25 May 19450645Taranto25 May 19451801Taranto47,8Exercises.

Ubaldelli, Fernando28 May 19450737Taranto28 May 19451528Taranto24,7Exercises.

Ubaldelli, Fernando9 Jun 19451707Taranto10 Jun 19450753Brindisi143Passage Taranto-Brindisi.

Ubaldelli, Fernando14 Jun 19451256Brindisi14 Jun 19451950Brindisi29,2Exercises.

Ubaldelli, Fernando19 Jun 19451335Brindisi19 Jun 19452010Brindisi36,3Exercises.

Ubaldelli, Fernando22 Jun 19451350Brindisi22 Jun 19452045Brindisi36Exercises.

Ubaldelli, Fernando23 Jun 19451350Brindisi23 Jun 19452035Brindisi33Exercises.

Ubaldelli, Fernando25 Jun 19451325Brindisi25 Jun 19451955Brindisi34Exercises.

Ubaldelli, Fernando30 Jun 19450826Brindisi30 Jun 19451625Brindisi35Exercises.

Ubaldelli, Fernando2 Jul 19450830Brindisi2 Jul 19451640Brindisi32Exercises.

Ubaldelli, Fernando16 Jul 19450900Brindisi16 Jul 19451700Brindisi42Exercises.

Ubaldelli, Fernando19 Jul 19450830Brindisi19 Jul 19451640Brindisi52Exercises.

Ubaldelli, Fernando26 Jul 19450650Brindisi26 Jul 19451545Brindisi53Exercises.

Ubaldelli, Fernando27 Jul 19450655Brindisi27 Jul 19451515Brindisi53Exercises.

Ubaldelli, Fernando28 Jul 19450650Brindisi28 Jul 19451555Brindisi47Exercises.

Ubaldelli, Fernando1 Aug 19450650Brindisi1 Aug 19451535Brindisi47Exercises.

Ubaldelli, Fernando3 Aug 19450700Brindisi3 Aug 19451540Brindisi47,5Exercises.

Ubaldelli, Fernando7 Aug 19450655Brindisi7 Aug 19451500Brindisi48Exercises.

Ubaldelli, Fernando10 Aug 19450725Brindisi10 Aug 19451557Brindisi58Exercises.

Ubaldelli, Fernando11 Aug 19450715Brindisi11 Aug 19451525Brindisi62,5Exercises.

Ubaldelli, Fernando17 Aug 19450700Brindisi17 Aug 19451510Brindisi40Exercises.

Ubaldelli, Fernando18 Aug 19450700Brindisi18 Aug 19451500Brindisi45Exercises.

Ubaldelli, Fernando20 Aug 19450730Brindisi20 Aug 19451600Brindisi44,5Exercises.

316 entries. 298 total patrol entries (27 marked as war patrols) and 27 events.

All Italian submarines