Italian submarines in World War Two
Italian Commanders
Gaetano Iaccarino
| Born | 10 Dec 1908 | Sorrento | |
| Died | 1982 | (73) | Sorrento |
| Ranks
Decorations |
Career information
X.2 (T.V. C.O.): from 01.06.1940 to 08.07.1940.VETTOR PISANI (T.V. C.O.): from 11.09.1940 to 14.10.1940.
H.2 (T.V. C.O.): from 20.10.1940 to 06.03.1941.
H.2 (T.V. C.O.): from 04.04.1941 to 28.05.1941.
ADUA (T.V. C.O.): from 21.04.1941 to 22.04.1941.
H.4 (T.V. C.O.): from 28.05.1941 to 27.05.1942.
Commands listed for Gaetano Iaccarino
| Submarine | Type | Rank | From | To |
|---|---|---|---|---|
| X 2 (X2) | Minelaying | T.V. | 1 Jun 1940 | Aug 1940 |
| Vettor Pisani (PN) | Ocean going | T.V. | 11 Sep 1940 | 14 Oct 1940 |
| H 2 (H2) | Coastal | T.V. | 20 Oct 1940 | 6 Mar 1941 |
| Adua (AD) | Coastal / Sea going | T.V. | 21 Apr 1941 | 22 Apr 1941 |
| H 2 (H2) | Coastal | T.V. | 4 Apr 1941 | 28 May 1941 |
| H 4 (H4) | Coastal | T.V. | 28 May 1941 | 27 May 1942 |
Ships hit by Gaetano Iaccarino
No ships hit by this Commander.War patrols listed for Gaetano Iaccarino
| Submarine | Date | Time | Port | Arr. date | Arr. time | Arr. port | Miles | Description | ||
|---|---|---|---|---|---|---|---|---|---|---|
| X 2 (X2) | 9 Jun 1940 | 0845 | Augusta | 9 Jun 1940 | 1105 | Augusta | 2 | Exercises. | ||
| X 2 (X2) | 14 Jun 1940 | 1825 | Augusta | 16 Jun 1940 | 0730 | Crotone | 183 | Passage Augusta-Crotone with X 3. | ||
| X 2 (X2) | 22 Jun 1940 | 2000 | Crotone | 24 Jun 1940 | 0910 | Brindisi | 244 | Passage Crotone-Brindisi with X 3. | ||
| X 2 (X2) | 29 Jun 1940 | 1810 | Brindisi | 30 Jun 1940 | 0900 | Bari | 67 | Passage Brindisi-Bari with X 3. | ||
| X 2 (X2) | 4 Jul 1940 | 0700 | Bari | 6 Jul 1940 | 0940 | Pola | 306 | Passage Bari-Pola. | ||
| X 2 (X2) | 14 Aug 1940 | 0740 | Pola | 14 Aug 1940 | 1410 | Pola | 28 | Exercises. | ||
| Vettor Pisani (PN) | 11 Sep 1940 | Pola | 14 Oct 1940 | Pola | Refit in Pola. Change in command. | |||||
| H 2 (H2) | 24 Oct 1940 | 0800 | La Spezia | 24 Oct 1940 | 1700 | La Spezia | 25 | Exercises. | ||
| H 2 (H2) | 25 Oct 1940 | 1255 | La Spezia | 25 Oct 1940 | 1727 | La Spezia | 26 | Escorted submarine Velella. | ||
| H 2 (H2) | 6 Nov 1940 | 0900 | La Spezia | 6 Nov 1940 | 1400 | La Spezia | 22,5 | Exercises. | ||
| H 2 (H2) | 16 Nov 1940 | 2110 | La Spezia | 16 Nov 1940 | 2255 | La Spezia | 6 | Trials. | ||
| 1. | H 2 (H2) | 19 Nov 1940 | 1130 | La Spezia | 20 Nov 1940 | 1035 | La Spezia | 57 | Defensive patrol in 260° - Tino Lt - 14 miles. Uneventful. | |
| H 2 (H2) | 21 Nov 1940 | 0930 | La Spezia | 21 Nov 1940 | 1700 | La Spezia | 13 | Trials. | ||
| H 2 (H2) | 23 Nov 1940 | 1400 | La Spezia | 23 Nov 1940 | 1700 | La Spezia | 17 | Trials. | ||
| H 2 (H2) | 27 Nov 1940 | 1034 | La Spezia | 28 Nov 1940 | 1035 | Civitavecchia | 212 | Passage La Spezia-Brindisi with the submarine H.8, but then ordered to Civitavecchia. | ||
| H 2 (H2) | 29 Nov 1940 | 1930 | Civitavecchia | 30 Nov 1940 | 0125 | Civitavecchia | 29 | Exercises. | ||
| H 2 (H2) | 3 Dec 1940 | 1800 | Civitavecchia | 3 Dec 1940 | 2145 | Civitavecchia | 20 | Passage Civitavecchia-Brindisi with the submarine H.8, but turned back because of foul weather. | ||
| H 2 (H2) | 4 Dec 1940 | 2007 | Civitavecchia | 6 Dec 1940 | 1130 | Messina | 323 | Passage Civitavecchia-Messina. | ||
| H 2 (H2) | 14 Dec 1940 | 1020 | Messina | 15 Dec 1940 | 1058 | Naples | 209 | Passage Messina-Naples. | ||
| H 2 (H2) | 16 Dec 1940 | Naples | 16 Dec 1940 | Naples | At Naples, damaged by a fire in the battery at 0200 hours on the 16th. | |||||
| H 2 (H2) | 21 Jan 1941 | 1300 | Naples | 21 Jan 1941 | 1800 | Naples | 32 | Trials. | ||
| H 2 (H2) | 28 Jan 1941 | 1545 | Naples | 30 Jan 1941 | 1645 | Taranto | 445 | Passage Naples-Taranto. | ||
| H 2 (H2) | 28 Jan 1941 | 1600 | Naples | 30 Jan 1941 | 1600 | Taranto | 445 | Passage Naples-Taranto with the submarine H.8. | ||
| H 2 (H2) | 9 Feb 1941 | 1000 | Taranto | 9 Feb 1941 | 1640 | Gallipoli | 59 | Passage Taranto-Gallipoli. | ||
| H 2 (H2) | 20 Feb 1941 | 1510 | Gallipoli | 20 Feb 1941 | 1615 | Gallipoli | 6 | Hydrophone patrol but turned back because of heavy seas. | ||
| H 2 (H2) | 21 Feb 1941 | 1600 | Gallipoli | 21 Feb 1941 | 1700 | Gallipoli | 6 | Patrol or exercises? | ||
| 2. | H 2 (H2) | 22 Feb 1941 | 0000 | Gallipoli | 22 Feb 1941 | 0235 | Gallipoli | Defensive patrol in 39°29'N, 17°25'E, following a report of a battleship off Cephalonia but turned back early because of the bad weather. | ||
| 3. | H 2 (H2) | 22 Feb 1941 | 1635 | Gallipoli | 22 Feb 1941 | 1835 | Gallipoli | 6 | Sailed again for the patrol, but turned back once more due to the weather. | |
| 4. | H 2 (H2) | 24 Feb 1941 | 1520 | Gallipoli | 24 Feb 1941 | 2320 | Gallipoli | 55 | Hydrophone watch in 39°29'N, 17°45'40'E, but forced back because of the bad weather. | |
| H 2 (H2) | 2 Mar 1941 | 1220 | Gallipoli | 2 Mar 1941 | 1730 | Taranto | 59 | Passage Gallipoli-Taranto. | ||
| 5. | H 2 (H2) | 3 Mar 1941 | 1450 | Taranto | 3 Mar 1941 | 2230 | Taranto | 49 | Sailed, escorted by MAS 441, for experimental hydrophone watch. | |
| 6. | Adua (AD) | 21 Apr 1941 | 2030 | Taranto | 22 Apr 1941 | 1120 | Taranto | 93,1 | Defensive patrol off Taranto in 170° - Cape San Vito - 35 miles. Uneventful. | |
| H 2 (H2) | 20 May 1941 | 0730 | Taranto | 20 May 1941 | 1330 | Taranto | 22,5 | Trials with the pilot vessel Limbara. | ||
| H 2 (H2) | 24 May 1941 | 0735 | Taranto | 24 May 1941 | 1207 | Taranto | 30,5 | Trials, escorted by the pilot vessel Limbara. | ||
| H 4 (H4) | 30 May 1941 | 0812 | La Spezia | 30 May 1941 | 1656 | La Spezia | 30 | Exercises. | ||
| H 4 (H4) | 2 Jun 1941 | 0800 | La Spezia | 2 Jun 1941 | 1527 | La Spezia | 37 | Exercises. | ||
| 7. | H 4 (H4) | 12 Jun 1941 | 1757 | La Spezia | 13 Jun 1941 | 1040 | La Spezia | 97,5 | Hydrophone watch on the Ligurian Gulf. Uneventful. | |
| 8. | H 4 (H4) | 14 Jun 1941 | 2014 | La Spezia | 16 Jun 1941 | 0800 | La Spezia | 197,3 | Hydrophone watch in 43°40'N, 24 miles east of Colonna. | |
| H 4 (H4) | 17 Jun 1941 | 0800 | La Spezia | 17 Jun 1941 | 1006 | La Spezia | 12 | Exercises. | ||
| 9. | H 4 (H4) | 24 Jun 1941 | 1800 | La Spezia | 28 Jun 1941 | 0835 | La Spezia | 335 | Hydrophone watch with H.6 on the Ligurian Gulf. Uneventful. Sighted only Italian vessels. | |
| 10. | H 4 (H4) | 6 Jul 1941 | 1630 | La Spezia | 7 Jul 1941 | 1240 | La Spezia | 166 | Hydrophone watch on the Ligurian Gulf. Uneventful. | |
| H 4 (H4) | 11 Jul 1941 | 0950 | La Spezia | 11 Jul 1941 | 1314 | La Spezia | 11,2 | Exercises. | ||
| 11. | H 4 (H4) | 15 Jul 1941 | 1800 | La Spezia | 16 Jul 1941 | 0800 | La Spezia | 108,5 | Hydrophone watch on the Ligurian Gulf. Uneventful. | |
| 12. | H 4 (H4) | 18 Jul 1941 | 1800 | La Spezia | 19 Jul 1941 | 0820 | La Spezia | 106 | Hydrophone watch on the Ligurian Gulf. Uneventful. | |
| 13. | H 4 (H4) | 26 Jul 1941 | 1800 | La Spezia | 27 Jul 1941 | 0843 | La Spezia | 106 | Hydrophone watch on the Ligurian Gulf. Uneventful. | |
| 14. | H 4 (H4) | 28 Jul 1941 | 1800 | La Spezia | 29 Jul 1941 | 0830 | La Spezia | 100,5 | Hydrophone watch on the Ligurian Gulf. Uneventful. | |
| 15. | H 4 (H4) | 31 Jul 1941 | 0035 | La Spezia | 5 Aug 1941 | 0815 | La Spezia | 379,6 | Patrolled with H.1 on line from 43°57.5'N, 08°42'E direction 300° - 10 miles. Uneventful. | |
| 16. | H 4 (H4) | 7 Aug 1941 | 2320 | La Spezia | 9 Aug 1941 | 0815 | La Spezia | 167,5 | Defensive patrol in 43°57.5'N, 08°42'E. Uneventful. | |
| H 4 (H4) | 12 Aug 1941 | 0835 | La Spezia | 12 Aug 1941 | 1400 | La Spezia | 28,6 | Exercises. | ||
| 17. | H 4 (H4) | 13 Aug 1941 | 1735 | La Spezia | 14 Aug 1941 | 0954 | La Spezia | 74,8 | Hydrophone watch in 44°00'N, 09°27'E. | |
| H 4 (H4) | 16 Aug 1941 | 0800 | La Spezia | 16 Aug 1941 | 1722 | La Spezia | 32 | Exercises. | ||
| H 4 (H4) | 19 Aug 1941 | 0840 | La Spezia | 19 Aug 1941 | 1810 | La Spezia | 34 | Exercises. | ||
| H 4 (H4) | 23 Aug 1941 | 0525 | La Spezia | 23 Aug 1941 | 1355 | La Spezia | 47,3 | Exercises. | ||
| 18. | H 4 (H4) | 23 Aug 1941 | 2055 | La Spezia | 27 Aug 1941 | 0815 | La Spezia | 260 | Defensive patrol on line 268° - 8 miles from 44°13'N, 09°07.5'E. This was following a report that a strong naval force had sailed from Gibraltar. Uneventful. | |
| H 4 (H4) | 29 Aug 1941 | 0835 | La Spezia | 29 Aug 1941 | 1800 | La Spezia | 30,8 | Exercises. | ||
| H 4 (H4) | 31 Aug 1941 | 0850 | La Spezia | 31 Aug 1941 | 1425 | La Spezia | 30 | Exercises. | ||
| H 4 (H4) | 3 Sep 1941 | 0830 | La Spezia | 3 Sep 1941 | 1730 | La Spezia | 34 | Exercises. | ||
| H 4 (H4) | 5 Sep 1941 | 0835 | La Spezia | 5 Sep 1941 | 1347 | La Spezia | 27,5 | Exercises with H.1 and H.6, escorted by Capodistria and Torre Annunziata. | ||
| H 4 (H4) | 9 Sep 1941 | 0835 | La Spezia | 9 Sep 1941 | 1735 | La Spezia | 29 | Exercises with H.4, escorted by Capodistria and Santantioco. | ||
| H 4 (H4) | 10 Sep 1941 | 0730 | La Spezia | 10 Sep 1941 | 1725 | La Spezia | 36,8 | Exercises. | ||
| H 4 (H4) | 15 Sep 1941 | 0800 | La Spezia | 15 Sep 1941 | 1453 | La Spezia | 21 | Exercises. | ||
| H 4 (H4) | 17 Sep 1941 | 0837 | La Spezia | 17 Sep 1941 | 1750 | La Spezia | 33,5 | Exercises. | ||
| H 4 (H4) | 20 Sep 1941 | 0730 | La Spezia | 20 Sep 1941 | 1730 | La Spezia | 50,5 | Exercises. | ||
| H 4 (H4) | 22 Sep 1941 | 0850 | La Spezia | 22 Sep 1941 | 1800 | La Spezia | 40 | Exercises. | ||
| 19. | H 4 (H4) | 26 Sep 1941 | 1830 | La Spezia | 29 Sep 1941 | 0800 | S. Margherita | 306 | Patrolled in 44°11'N, 09°10'E with Da Procida, Beilul, H.1 and H.6 in Gulf of Genoa, in anticipation of an enemy force from Gibraltar. Uneventful. | |
| 20. | H 4 (H4) | 30 Sep 1941 | 0730 | S. Margherita | 30 Sep 1941 | 1300 | La Spezia | 39 | Patrolled in 44°11'N, 08°43'E to intercept an enemy naval force coming from Gibraltar. | |
| H 4 (H4) | 3 Oct 1941 | 0917 | La Spezia | 3 Oct 1941 | 1650 | La Spezia | 27,5 | Exercises. | ||
| H 4 (H4) | 4 Oct 1941 | 0800 | La Spezia | 4 Oct 1941 | 1650 | La Spezia | 30,5 | Exercises, escorted by Crotone and Torre Annunziata. | ||
| H 4 (H4) | 7 Oct 1941 | 0850 | La Spezia | 7 Oct 1941 | 1645 | La Spezia | 25 | Exercises with H.6, escorted by the tugs Favignana, Crotone and Rimini. | ||
| H 4 (H4) | 8 Oct 1941 | 1815 | La Spezia | 9 Oct 1941 | 0030 | La Spezia | 25 | Exercises with H.1 and H.6 escorted by Taormina. | ||
| H 4 (H4) | 10 Oct 1941 | 0850 | La Spezia | 10 Oct 1941 | 1600 | La Spezia | 26 | Exercises. | ||
| 21. | H 4 (H4) | 18 Oct 1941 | 1230 | La Spezia | 18 Oct 1941 | 1410 | La Spezia | 14 | Patrol aborted? | |
| H 4 (H4) | 21 Oct 1941 | 0850 | La Spezia | 21 Oct 1941 | 1720 | La Spezia | 28 | Exercises with H.1, escorted by Capodistria. | ||
| H 4 (H4) | 22 Oct 1941 | 0800 | La Spezia | 22 Oct 1941 | 1655 | La Spezia | 33 | Exercises, escorted by Capodistria. | ||
| H 4 (H4) | 24 Oct 1941 | 0650 | La Spezia | 24 Oct 1941 | 1127 | La Spezia | 18,6 | Exercises. | ||
| H 4 (H4) | 28 Oct 1941 | 0900 | La Spezia | 28 Oct 1941 | 1642 | La Spezia | 38,5 | Exercises with H.6 escorted by Santantioco, returned escorted by Crotone and Capodistria. | ||
| H 4 (H4) | 31 Oct 1941 | 0905 | La Spezia | 31 Oct 1941 | 1055 | La Spezia | 12 | Exercises with H.1 escorted by Capodistria and Crotone. | ||
| H 4 (H4) | 4 Nov 1941 | 0855 | La Spezia | 4 Nov 1941 | 1636 | La Spezia | 27 | Exercises. | ||
| H 4 (H4) | 7 Nov 1941 | 0845 | La Spezia | 7 Nov 1941 | 1615 | La Spezia | 25 | Exercises. | ||
| H 4 (H4) | 17 Nov 1941 | 0805 | La Spezia | 17 Nov 1941 | 1255 | La Spezia | 32,1 | Exercises. | ||
| H 4 (H4) | 20 Nov 1941 | 0800 | La Spezia | 20 Nov 1941 | 1520 | La Spezia | 36 | Exercises. | ||
| H 4 (H4) | 21 Nov 1941 | 0645 | La Spezia | 21 Nov 1941 | 1015 | La Spezia | 25 | Exercises. | ||
| H 4 (H4) | 25 Nov 1941 | Time? | La Spezia | 25 Nov 1941 | Time? | La Spezia | Entered dock. | |||
| H 4 (H4) | 1 Dec 1941 | Time? | La Spezia | 1 Dec 1941 | Time? | La Spezia | Left dock. | |||
| H 4 (H4) | 3 Dec 1941 | 0810 | La Spezia | 3 Dec 1941 | 1642 | La Spezia | 27,5 | Exercises. | ||
| H 4 (H4) | 5 Dec 1941 | 0910 | La Spezia | 5 Dec 1941 | 1654 | La Spezia | 24,5 | Exercises, escorted by the auxiliaries Crotone and Favignana, MAS 510 and MAS 525. | ||
| H 4 (H4) | 10 Dec 1941 | 0820 | La Spezia | 10 Dec 1941 | 1010 | La Spezia | 13 | Exercises. | ||
| H 4 (H4) | 27 Dec 1941 | 1006 | La Spezia | 27 Dec 1941 | 1649 | Genoa | 47 | Passage La Spezia-Genoa, then refit. | ||
| H 4 (H4) | 4 Feb 1942 | 0830 | Genoa | 4 Feb 1942 | 1700 | Genoa | 58 | Trials, escorted by the auxiliary Luigi Rizzo. | ||
| H 4 (H4) | 6 Feb 1942 | 0500 | Genoa | 6 Feb 1942 | 1400 | Genoa | 47 | Trials. | ||
| H 4 (H4) | 9 Feb 1942 | 0915 | Genoa | 9 Feb 1942 | 1500 | La Spezia | 47 | Passage Genoa-La Spezia. | ||
| 22. | H 4 (H4) | 10 Feb 1942 | 1945 | La Spezia | 15 Feb 1942 | 0830 | La Spezia | 88,7 | Sailed with Colonna and H.6, for hydrophone watch in 44°11'N, 09°10'E. Uneventful. | |
| H 4 (H4) | 17 Feb 1942 | 0905 | La Spezia | 17 Feb 1942 | 1140 | La Spezia | 2 | Gyrocompass tests. | ||
| H 4 (H4) | 18 Feb 1942 | 0815 | La Spezia | 18 Feb 1942 | 1235 | La Spezia | 25 | Exercises. | ||
| H 4 (H4) | 19 Feb 1942 | 1445 | La Spezia | 19 Feb 1942 | 1645 | La Spezia | 1,8 | Exercises. | ||
| H 4 (H4) | 20 Feb 1942 | 0830 | La Spezia | 20 Feb 1942 | 1555 | La Spezia | 25,5 | Exercises. | ||
| H 4 (H4) | 24 Feb 1942 | 1256 | La Spezia | 24 Feb 1942 | 1522 | La Spezia | 23 | Trials. | ||
| H 4 (H4) | 26 Feb 1942 | 0815 | La Spezia | 26 Feb 1942 | 1730 | La Spezia | 32 | Exercises with the midget submarine C.B.1, escorted by MAS 505 and MAS 525. | ||
| 23. | H 4 (H4) | 28 Feb 1942 | 2050 | La Spezia | 1 Mar 1942 | 1115 | Savona | 42,5 | Defensive patrol in 44°11'N, 08°43'E with Rismondo and H.6, but returned because of defects to the starboard diesel engine. | |
| H 4 (H4) | 1 Mar 1942 | 1130 | Savona | 2 Mar 1942 | 1730 | La Spezia | 68 | Passage Savona-La Spezia. | ||
| H 4 (H4) | 4 Mar 1942 | 0905 | La Spezia | 4 Mar 1942 | 1415 | La Spezia | 47 | Trials. | ||
| H 4 (H4) | 5 Mar 1942 | 1350 | La Spezia | 5 Mar 1942 | 1630 | La Spezia | 23 | Trials. | ||
| H 4 (H4) | 6 Mar 1942 | 1150 | La Spezia | 6 Mar 1942 | 1715 | Leghorn | 49,5 | Passage La Spezia-Leghorn. | ||
| 24. | H 4 (H4) | 7 Mar 1942 | 2200 | Leghorn | 7 Mar 1942 | 2330 | Leghorn | 3 | Hydrophone watch, but interrupted because of defects? | |
| H 4 (H4) | 10 Mar 1942 | 0925 | Leghorn | 10 Mar 1942 | 1745 | Leghorn | 35 | Exercises. | ||
| H 4 (H4) | 11 Mar 1942 | 0705 | Leghorn | 11 Mar 1942 | 1200 | La Spezia | 49 | Passage Leghorn-La Spezia. | ||
| H 4 (H4) | 13 Mar 1942 | 0805 | La Spezia | 13 Mar 1942 | 1538 | La Spezia | 26 | Exercises, escorted by torpedo boat Carini and the auxiliary Crotone. | ||
| H 4 (H4) | 17 Mar 1942 | 0825 | La Spezia | 17 Mar 1942 | 1635 | La Spezia | 22 | Exercises, escorted by the auxiliaries Santantioco and Capodistria. | ||
| H 4 (H4) | 20 Mar 1942 | 0839 | La Spezia | 20 Mar 1942 | 1655 | La Spezia | 19 | Exercises, escorted by MAS 509. | ||
| H 4 (H4) | 25 Mar 1942 | 0800 | La Spezia | 25 Mar 1942 | 1853 | La Spezia | 21,5 | Exercises, escorted by the auxiliaries Crotone and Capodistria. | ||
| H 4 (H4) | 27 Mar 1942 | 0800 | La Spezia | 27 Mar 1942 | 1430 | La Spezia | 21,8 | Exercises with the submarine Bajamonti, escorted by the auxiliary Crotone. | ||
| H 4 (H4) | 31 Mar 1942 | 0800 | La Spezia | 31 Mar 1942 | 1705 | La Spezia | 39,5 | Exercises, escorted by the tug Crotone. | ||
| H 4 (H4) | 8 Apr 1942 | 0730 | La Spezia | 8 Apr 1942 | 1832 | La Spezia | 57 | Exercises with the submarine H.1, escorted by the tug Crotone. | ||
| H 4 (H4) | 13 Apr 1942 | 0903 | La Spezia | 13 Apr 1942 | 1325 | La Spezia | 19,8 | Exercises, escorted by the torpedo boat Carini. | ||
| H 4 (H4) | 16 Apr 1942 | 0830 | La Spezia | 16 Apr 1942 | 1540 | La Spezia | 29,6 | Exercises, escorted by the tug Crotone. | ||
| 25. | H 4 (H4) | 21 Apr 1942 | 2355 | La Spezia | 23 Apr 1942 | 0915 | La Spezia | 185,9 | Defensive patrol in 44°11'N, 08°43'E. | |
| H 4 (H4) | 29 Apr 1942 | 1145 | La Spezia | 29 Apr 1942 | 1725 | La Spezia | 31 | Exercises. | ||
| H 4 (H4) | 30 Apr 1942 | 1310 | La Spezia | 30 Apr 1942 | 1650 | La Spezia | 23 | Exercises with the submarines H.1 and H.6, escorted by MAS 501. | ||
| H 4 (H4) | 3 May 1942 | 1005 | La Spezia | 3 May 1942 | 1610 | La Spezia | 30,8 | Exercises. | ||
| H 4 (H4) | 5 May 1942 | 0525 | La Spezia | 5 May 1942 | 1330 | La Spezia | 36,3 | Exercises. | ||
| H 4 (H4) | 8 May 1942 | 1000 | La Spezia | 8 May 1942 | 1555 | La Spezia | 29,7 | Exercises, escorted by the destroyer Nicoloso Da Recco. | ||
| H 4 (H4) | 20 May 1942 | 0725 | La Spezia | 20 May 1942 | 1620 | La Spezia | 37 | Exercises with the submarines Cobalto and Rismondo. | ||
| H 4 (H4) | 21 May 1942 | 0740 | La Spezia | 21 May 1942 | 1255 | La Spezia | 18 | Exercises with the submarines H.1 and H.6, escorted by MAS 509. | ||
| H 4 (H4) | 22 May 1942 | 0745 | La Spezia | 22 May 1942 | 1145 | La Spezia | 26,5 | Exercises. | ||
| H 4 (H4) | 25 May 1942 | 0730 | La Spezia | 25 May 1942 | 1245 | La Spezia | 24,8 | Exercises, escorted by torpedo boat La Masa and the auxiliaries Rimini and Mesco. | ||
| H 4 (H4) | 26 May 1942 | 0728 | La Spezia | 26 May 1942 | 1624 | La Spezia | 31,2 | Exercises. | ||
126 entries. 126 total patrol entries (25 marked as war patrols) and 0 events.