H 4 (H4)
H 4

Type	Coastal
Class	H (19)
Laid down	16 May 1916	Canadian Vickers, Montreal
Launched	17 Apr 1917
Commissioned	15 May 1917
End service
Stricken
Loss date
Loss position
History	Stricken on 23rd March 1947.
Fate

Commands

Commander	Date from	Date to	Command notes
T.V. Loris Albanese	24 May 1940	29 Jul 1940
T.V. Leone Monteleoni	29 Jul 1940	26 Oct 1940
T.V. Teucle Meneghini	2 Nov 1940	10 Dec 1940
C.C. Leone Monteleoni	25 Jan 1941	12 Apr 1941
T.V. Giovanni Celeste	11 Apr 1941	27 May 1941
T.V. Gaetano Iaccarino	28 May 1941	27 May 1942
T.V. Giuseppe Simonetti	28 May 1942	5 Jan 1943
T.V. Augusto Marraccini	5 Jan 1943	27 Apr 1943
S.T.V. Luigi Ginocchio	27 Apr 1943	26 Jun 1943
T.V. Giuseppe Simonetti	27 Jun 1943	31 Aug 1943
C.C. Francesco Pedrotti	1 Sep 1943	15 Sep 1943
T.V. Enrico Beverini	16 Sep 1943	4 Oct 1943
S.T.V. Luciano Barca	5 Oct 1943	31 Oct 1943
T.V. Antonio Canezza	1 Nov 1943	22 May 1944
T.V. Enrico Beverini	23 May 1944	15 Jul 1944
T.V. Giovanni Febbraro	16 Jul 1944	6 Aug 1944
T.V. Antonio Canezza	6 Aug 1944	15 Aug 1944
T.V. Enrico Beverini	16 Aug 1944	10 Oct 1944
C.C. Leone Monteleoni	11 Oct 1944	30 Nov 1944
T.V. Luigi De Ferrante	30 Nov 1944	Aug 1945

Ships hit

No ships hit by this submarine.

Patrols and events

	Commander	Date	Time	Port	Arr. date	Arr. time	Arr. port	Miles	Description
1	Albanese, Loris	9 Jun 1940	2300	La Spezia	14 Jun 1940	0730	La Spezia	382	Patrolled off Imperia.
	Albanese, Loris	20 Jun 1940	2355	La Spezia	21 Jun 1940	0800	Savona	70	Passage La Spezia-Savona with submarine Gondar.
2	Albanese, Loris	22 Jun 1940	1727	Savona	25 Jun 1940	1935	Savona	361	Patrolled south and west of Gulf of Genoa. Interrupted by electric motor defects.
	Albanese, Loris	26 Jun 1940	1236	Savona	26 Jun 1940	2030	La Spezia	71	Passage Savona-La Spezia.
3	Albanese, Loris	5 Jul 1940	2200	La Spezia	10 Jul 1940	0830	La Spezia	449,5	Patrolled off Cape Noli north of 44°00'N between 09°00'E and 09°30'E (Gulf of Genoa).
	Albanese, Loris	27 Jul 1940	0930	La Spezia	27 Jul 1940	1545	La Spezia	43	Exercises with the submarine Enrico Tazzoli, 3.5 miles south of Moneglia.
	Monteleoni, Leone	5 Aug 1940	0720	La Spezia	5 Aug 1940	1710	La Spezia	55	Exercises. Possibly, this was a defensive patrol following a report that Force H was at sea.
	Monteleoni, Leone	14 Aug 1940	0900	La Spezia	14 Aug 1940	1645	La Spezia	48	Exercises.
	Monteleoni, Leone	16 Aug 1940	0730	La Spezia	16 Aug 1940	1110	La Spezia	26	Exercises.
	Monteleoni, Leone	24 Aug 1940	1305	La Spezia	24 Aug 1940	1750	La Spezia	30	Exercises.
	Monteleoni, Leone	27 Aug 1940	0750	La Spezia	27 Aug 1940	1145	La Spezia	23	Exercises.
	Monteleoni, Leone	28 Aug 1940	0800	La Spezia	28 Aug 1940	1630	La Spezia	53	Exercises.
	Monteleoni, Leone	3 Sep 1940	1420	La Spezia	3 Sep 1940	1715	La Spezia	25	Exercises.
	Monteleoni, Leone	17 Sep 1940	0705	La Spezia	17 Sep 1940	1655	La Spezia	50	Exercises.
	Monteleoni, Leone	20 Sep 1940	1220	La Spezia	21 Sep 1940	0115	La Spezia	99,5	Exercises.
	Monteleoni, Leone	14 Oct 1940	1250	La Spezia	14 Oct 1940	1810	La Spezia	49	Exercises.
	Monteleoni, Leone	24 Oct 1940	1250	La Spezia	24 Oct 1940	1740	La Spezia	48	Exercises.
	Meneghini, Teucle	6 Nov 1940	0805	La Spezia	6 Nov 1940	1257	La Spezia	11,8	Exercises.
	Meneghini, Teucle	16 Nov 1940	2100	La Spezia	16 Nov 1940	2250	La Spezia	?	Changed anchorage.
	Meneghini, Teucle	21 Nov 1940	0925	La Spezia	21 Nov 1940	1705	La Spezia	30	Exercises.
		9 Jan 1941	0830	La Spezia	9 Jan 1941	1125	La Spezia	30	Exercises.
		15 Jan 1941	0900	La Spezia	15 Jan 1941	1830	La Spezia	30	Exercises.
	Monteleoni, Leone	25 Jan 1941	0920	La Spezia	25 Jan 1941	1100	La Spezia	15	Exercises.
	Monteleoni, Leone	31 Jan 1941	0845	La Spezia	31 Jan 1941	1045	La Spezia	22	Exercises.
4	Monteleoni, Leone	2 Feb 1941	1950	La Spezia	3 Feb 1941	1545	La Spezia	100	Defensive patrol against enemy force, which might bombard the Italian coast. Uneventful.
5	Monteleoni, Leone	13 Mar 1941	1755	La Spezia	14 Mar 1941	1115	La Spezia	113	Hydrophone watch in 44°03.5'N, 09°09'E. Uneventful.
6	Monteleoni, Leone	25 Mar 1941	1820	La Spezia	26 Mar 1941	1040	La Spezia	99	Hydrophone watch in 44°00'N, 09°15'E. Uneventful.
7	Monteleoni, Leone	5 Apr 1941	2130	La Spezia	6 Apr 1941	0955	La Spezia	65,5	Defensive patrol in 43°45'N, 09°30'E as an enemy naval force was reported approaching from the west. Uneventful.
	Monteleoni, Leone	10 Apr 1941	1520	La Spezia	10 Apr 1941	1745	La Spezia	25	Exercises.
	Celeste, Giovanni	14 Apr 1941	0830	La Spezia	14 Apr 1941	1150	La Spezia	30	Exercises.
	Celeste, Giovanni	21 Apr 1941	0820	La Spezia	21 Apr 1941	1245	La Spezia	30	Exercises.
	Celeste, Giovanni	24 Apr 1941	0805	La Spezia	24 Apr 1941	1115	La Spezia	4	Gyrocompass tests.
8	Celeste, Giovanni	26 Apr 1941	1825	La Spezia	29 Apr 1941	1005	Leghorn	346,5	Hydrophone watch off Tino Island in anticipation of an important naval force from Gibraltar
	Celeste, Giovanni	29 Apr 1941	1025	Leghorn	29 Apr 1941	1605	Leghorn	346,5	Exercises.
9	Celeste, Giovanni	1 May 1941	2015	La Spezia	2 May 1941	1030	La Spezia	90	Hydrophone watch on the Ligurian Gulf. Uneventful.
10	Celeste, Giovanni	2 May 1941	1900	La Spezia	3 May 1941	1045	La Spezia	91	Hydrophone watch on the Ligurian Gulf. Uneventful.
11	Celeste, Giovanni	9 May 1941	1815	La Spezia	10 May 1941	1012	La Spezia	87	Hydrophone watch on the Ligurian Gulf. Uneventful.
	Celeste, Giovanni	14 May 1941	0820	La Spezia	14 May 1941	1645	La Spezia	38,3	Exercises.
	Celeste, Giovanni	16 May 1941	0810	La Spezia	16 May 1941	1245	La Spezia	24,4	Exercises.
	Iaccarino, Gaetano	30 May 1941	0812	La Spezia	30 May 1941	1656	La Spezia	30	Exercises.
	Iaccarino, Gaetano	2 Jun 1941	0800	La Spezia	2 Jun 1941	1527	La Spezia	37	Exercises.
12	Iaccarino, Gaetano	12 Jun 1941	1757	La Spezia	13 Jun 1941	1040	La Spezia	97,5	Hydrophone watch on the Ligurian Gulf. Uneventful.
13	Iaccarino, Gaetano	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.
	Iaccarino, Gaetano	17 Jun 1941	0800	La Spezia	17 Jun 1941	1006	La Spezia	12	Exercises.
14	Iaccarino, Gaetano	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.
15	Iaccarino, Gaetano	6 Jul 1941	1630	La Spezia	7 Jul 1941	1240	La Spezia	166	Hydrophone watch on the Ligurian Gulf. Uneventful.
	Iaccarino, Gaetano	11 Jul 1941	0950	La Spezia	11 Jul 1941	1314	La Spezia	11,2	Exercises.
16	Iaccarino, Gaetano	15 Jul 1941	1800	La Spezia	16 Jul 1941	0800	La Spezia	108,5	Hydrophone watch on the Ligurian Gulf. Uneventful.
17	Iaccarino, Gaetano	18 Jul 1941	1800	La Spezia	19 Jul 1941	0820	La Spezia	106	Hydrophone watch on the Ligurian Gulf. Uneventful.
18	Iaccarino, Gaetano	26 Jul 1941	1800	La Spezia	27 Jul 1941	0843	La Spezia	106	Hydrophone watch on the Ligurian Gulf. Uneventful.
19	Iaccarino, Gaetano	28 Jul 1941	1800	La Spezia	29 Jul 1941	0830	La Spezia	100,5	Hydrophone watch on the Ligurian Gulf. Uneventful.
20	Iaccarino, Gaetano	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.
21	Iaccarino, Gaetano	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.
	Iaccarino, Gaetano	12 Aug 1941	0835	La Spezia	12 Aug 1941	1400	La Spezia	28,6	Exercises.
22	Iaccarino, Gaetano	13 Aug 1941	1735	La Spezia	14 Aug 1941	0954	La Spezia	74,8	Hydrophone watch in 44°00'N, 09°27'E.
	Iaccarino, Gaetano	16 Aug 1941	0800	La Spezia	16 Aug 1941	1722	La Spezia	32	Exercises.
	Iaccarino, Gaetano	19 Aug 1941	0840	La Spezia	19 Aug 1941	1810	La Spezia	34	Exercises.
	Iaccarino, Gaetano	23 Aug 1941	0525	La Spezia	23 Aug 1941	1355	La Spezia	47,3	Exercises.
23	Iaccarino, Gaetano	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.
	Iaccarino, Gaetano	29 Aug 1941	0835	La Spezia	29 Aug 1941	1800	La Spezia	30,8	Exercises.
	Iaccarino, Gaetano	31 Aug 1941	0850	La Spezia	31 Aug 1941	1425	La Spezia	30	Exercises.
	Iaccarino, Gaetano	3 Sep 1941	0830	La Spezia	3 Sep 1941	1730	La Spezia	34	Exercises.
	Iaccarino, Gaetano	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.
	Iaccarino, Gaetano	9 Sep 1941	0835	La Spezia	9 Sep 1941	1735	La Spezia	29	Exercises with H.4, escorted by Capodistria and Santantioco.
	Iaccarino, Gaetano	10 Sep 1941	0730	La Spezia	10 Sep 1941	1725	La Spezia	36,8	Exercises.
	Iaccarino, Gaetano	15 Sep 1941	0800	La Spezia	15 Sep 1941	1453	La Spezia	21	Exercises.
	Iaccarino, Gaetano	17 Sep 1941	0837	La Spezia	17 Sep 1941	1750	La Spezia	33,5	Exercises.
	Iaccarino, Gaetano	20 Sep 1941	0730	La Spezia	20 Sep 1941	1730	La Spezia	50,5	Exercises.
	Iaccarino, Gaetano	22 Sep 1941	0850	La Spezia	22 Sep 1941	1800	La Spezia	40	Exercises.
24	Iaccarino, Gaetano	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.
25	Iaccarino, Gaetano	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.
	Iaccarino, Gaetano	3 Oct 1941	0917	La Spezia	3 Oct 1941	1650	La Spezia	27,5	Exercises.
	Iaccarino, Gaetano	4 Oct 1941	0800	La Spezia	4 Oct 1941	1650	La Spezia	30,5	Exercises, escorted by Crotone and Torre Annunziata.
	Iaccarino, Gaetano	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.
	Iaccarino, Gaetano	8 Oct 1941	1815	La Spezia	9 Oct 1941	0030	La Spezia	25	Exercises with H.1 and H.6 escorted by Taormina.
	Iaccarino, Gaetano	10 Oct 1941	0850	La Spezia	10 Oct 1941	1600	La Spezia	26	Exercises.
26	Iaccarino, Gaetano	18 Oct 1941	1230	La Spezia	18 Oct 1941	1410	La Spezia	14	Patrol aborted?
	Iaccarino, Gaetano	21 Oct 1941	0850	La Spezia	21 Oct 1941	1720	La Spezia	28	Exercises with H.1, escorted by Capodistria.
	Iaccarino, Gaetano	22 Oct 1941	0800	La Spezia	22 Oct 1941	1655	La Spezia	33	Exercises, escorted by Capodistria.
	Iaccarino, Gaetano	24 Oct 1941	0650	La Spezia	24 Oct 1941	1127	La Spezia	18,6	Exercises.
	Iaccarino, Gaetano	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.
	Iaccarino, Gaetano	31 Oct 1941	0905	La Spezia	31 Oct 1941	1055	La Spezia	12	Exercises with H.1 escorted by Capodistria and Crotone.
	Iaccarino, Gaetano	4 Nov 1941	0855	La Spezia	4 Nov 1941	1636	La Spezia	27	Exercises.
	Iaccarino, Gaetano	7 Nov 1941	0845	La Spezia	7 Nov 1941	1615	La Spezia	25	Exercises.
	Iaccarino, Gaetano	17 Nov 1941	0805	La Spezia	17 Nov 1941	1255	La Spezia	32,1	Exercises.
	Iaccarino, Gaetano	20 Nov 1941	0800	La Spezia	20 Nov 1941	1520	La Spezia	36	Exercises.
	Iaccarino, Gaetano	21 Nov 1941	0645	La Spezia	21 Nov 1941	1015	La Spezia	25	Exercises.
	Iaccarino, Gaetano	25 Nov 1941	Time?	La Spezia	25 Nov 1941	Time?	La Spezia		Entered dock.
	Iaccarino, Gaetano	1 Dec 1941	Time?	La Spezia	1 Dec 1941	Time?	La Spezia		Left dock.
	Iaccarino, Gaetano	3 Dec 1941	0810	La Spezia	3 Dec 1941	1642	La Spezia	27,5	Exercises.
	Iaccarino, Gaetano	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.
	Iaccarino, Gaetano	10 Dec 1941	0820	La Spezia	10 Dec 1941	1010	La Spezia	13	Exercises.
	Iaccarino, Gaetano	27 Dec 1941	1006	La Spezia	27 Dec 1941	1649	Genoa	47	Passage La Spezia-Genoa, then refit.
	Iaccarino, Gaetano	4 Feb 1942	0830	Genoa	4 Feb 1942	1700	Genoa	58	Trials, escorted by the auxiliary Luigi Rizzo.
	Iaccarino, Gaetano	6 Feb 1942	0500	Genoa	6 Feb 1942	1400	Genoa	47	Trials.
	Iaccarino, Gaetano	9 Feb 1942	0915	Genoa	9 Feb 1942	1500	La Spezia	47	Passage Genoa-La Spezia.
27	Iaccarino, Gaetano	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.
	Iaccarino, Gaetano	17 Feb 1942	0905	La Spezia	17 Feb 1942	1140	La Spezia	2	Gyrocompass tests.
	Iaccarino, Gaetano	18 Feb 1942	0815	La Spezia	18 Feb 1942	1235	La Spezia	25	Exercises.
	Iaccarino, Gaetano	19 Feb 1942	1445	La Spezia	19 Feb 1942	1645	La Spezia	1,8	Exercises.
	Iaccarino, Gaetano	20 Feb 1942	0830	La Spezia	20 Feb 1942	1555	La Spezia	25,5	Exercises.
	Iaccarino, Gaetano	24 Feb 1942	1256	La Spezia	24 Feb 1942	1522	La Spezia	23	Trials.
	Iaccarino, Gaetano	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.
28	Iaccarino, Gaetano	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.
	Iaccarino, Gaetano	1 Mar 1942	1130	Savona	2 Mar 1942	1730	La Spezia	68	Passage Savona-La Spezia.
	Iaccarino, Gaetano	4 Mar 1942	0905	La Spezia	4 Mar 1942	1415	La Spezia	47	Trials.
	Iaccarino, Gaetano	5 Mar 1942	1350	La Spezia	5 Mar 1942	1630	La Spezia	23	Trials.
	Iaccarino, Gaetano	6 Mar 1942	1150	La Spezia	6 Mar 1942	1715	Leghorn	49,5	Passage La Spezia-Leghorn.
29	Iaccarino, Gaetano	7 Mar 1942	2200	Leghorn	7 Mar 1942	2330	Leghorn	3	Hydrophone watch, but interrupted because of defects?
	Iaccarino, Gaetano	10 Mar 1942	0925	Leghorn	10 Mar 1942	1745	Leghorn	35	Exercises.
	Iaccarino, Gaetano	11 Mar 1942	0705	Leghorn	11 Mar 1942	1200	La Spezia	49	Passage Leghorn-La Spezia.
	Iaccarino, Gaetano	13 Mar 1942	0805	La Spezia	13 Mar 1942	1538	La Spezia	26	Exercises, escorted by torpedo boat Carini and the auxiliary Crotone.
	Iaccarino, Gaetano	17 Mar 1942	0825	La Spezia	17 Mar 1942	1635	La Spezia	22	Exercises, escorted by the auxiliaries Santantioco and Capodistria.
	Iaccarino, Gaetano	20 Mar 1942	0839	La Spezia	20 Mar 1942	1655	La Spezia	19	Exercises, escorted by MAS 509.
	Iaccarino, Gaetano	25 Mar 1942	0800	La Spezia	25 Mar 1942	1853	La Spezia	21,5	Exercises, escorted by the auxiliaries Crotone and Capodistria.
	Iaccarino, Gaetano	27 Mar 1942	0800	La Spezia	27 Mar 1942	1430	La Spezia	21,8	Exercises with the submarine Bajamonti, escorted by the auxiliary Crotone.
	Iaccarino, Gaetano	31 Mar 1942	0800	La Spezia	31 Mar 1942	1705	La Spezia	39,5	Exercises, escorted by the tug Crotone.
	Iaccarino, Gaetano	8 Apr 1942	0730	La Spezia	8 Apr 1942	1832	La Spezia	57	Exercises with the submarine H.1, escorted by the tug Crotone.
	Iaccarino, Gaetano	13 Apr 1942	0903	La Spezia	13 Apr 1942	1325	La Spezia	19,8	Exercises, escorted by the torpedo boat Carini.
	Iaccarino, Gaetano	16 Apr 1942	0830	La Spezia	16 Apr 1942	1540	La Spezia	29,6	Exercises, escorted by the tug Crotone.
30	Iaccarino, Gaetano	21 Apr 1942	2355	La Spezia	23 Apr 1942	0915	La Spezia	185,9	Defensive patrol in 44°11'N, 08°43'E.
	Iaccarino, Gaetano	29 Apr 1942	1145	La Spezia	29 Apr 1942	1725	La Spezia	31	Exercises.
	Iaccarino, Gaetano	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.
	Iaccarino, Gaetano	3 May 1942	1005	La Spezia	3 May 1942	1610	La Spezia	30,8	Exercises.
	Iaccarino, Gaetano	5 May 1942	0525	La Spezia	5 May 1942	1330	La Spezia	36,3	Exercises.
	Iaccarino, Gaetano	8 May 1942	1000	La Spezia	8 May 1942	1555	La Spezia	29,7	Exercises, escorted by the destroyer Nicoloso Da Recco.
	Iaccarino, Gaetano	20 May 1942	0725	La Spezia	20 May 1942	1620	La Spezia	37	Exercises with the submarines Cobalto and Rismondo.
	Iaccarino, Gaetano	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.
	Iaccarino, Gaetano	22 May 1942	0745	La Spezia	22 May 1942	1145	La Spezia	26,5	Exercises.
	Iaccarino, Gaetano	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.
	Iaccarino, Gaetano	26 May 1942	0728	La Spezia	26 May 1942	1624	La Spezia	31,2	Exercises.
	Simonetti, Giuseppe	30 May 1942	1345	La Spezia	30 May 1942	1806	La Spezia	18,4	Exercises.
	Simonetti, Giuseppe	4 Jun 1942	0735	La Spezia	4 Jun 1942	1728	La Spezia	38,5	Exercises.
	Simonetti, Giuseppe	7 Jun 1942	1350	La Spezia	7 Jun 1942	1903	La Spezia	21,1	Sonar trials with the destroyer Gioberti.
	Simonetti, Giuseppe	12 Jun 1942	0800	La Spezia	12 Jun 1942	1330	La Spezia	27,2	Exercises.
	Simonetti, Giuseppe	19 Jun 1942	0740	La Spezia	19 Jun 1942	1228	La Spezia	20	Exercises.
	Simonetti, Giuseppe	22 Jun 1942	1205	La Spezia	22 Jun 1942	1803	La Spezia	26,9	Exercises.
	Simonetti, Giuseppe	24 Jun 1942	2000	La Spezia	25 Jun 1942	0033	La Spezia	29	Exercises.
	Simonetti, Giuseppe	26 Jun 1942	0800	La Spezia	26 Jun 1942	1340	La Spezia	26,5	Exercises.
	Simonetti, Giuseppe	29 Jun 1942	2240	La Spezia	30 Jun 1942	0535	La Spezia	24	Exercises.
	Simonetti, Giuseppe	30 Jun 1942	1330	La Spezia	30 Jun 1942	1810	La Spezia	15,7	Exercises.
	Simonetti, Giuseppe	2 Jul 1942	0740	La Spezia	2 Jul 1942	1543	La Spezia	24	Exercises.
	Simonetti, Giuseppe	11 Jul 1942	1050	La Spezia	11 Jul 1942	1212	La Spezia	4,3	Exercises.
	Simonetti, Giuseppe	13 Jul 1942	0700	La Spezia	13 Jul 1942	1237	La Spezia	22,9	Exercises with the corvette Procione.
	Simonetti, Giuseppe	16 Jul 1942	0730	La Spezia	16 Jul 1942	1301	La Spezia	29,7	Exercises.
	Simonetti, Giuseppe	21 Jul 1942	1310	La Spezia	21 Jul 1942	1745	La Spezia	23,5	Exercises.
	Simonetti, Giuseppe	23 Jul 1942	Time?	La Spezia	23 Jul 1942	Time?	La Spezia		Docked.
	Simonetti, Giuseppe	29 Jul 1942	Time?	La Spezia	29 Jul 1942	Time?	La Spezia		Undocked.
	Simonetti, Giuseppe	31 Jul 1942	0643	La Spezia	31 Jul 1942	1155	La Spezia	23,2	Exercises.
	Simonetti, Giuseppe	5 Aug 1942	0705	La Spezia	5 Aug 1942	1655	La Spezia	30	Exercises.
	Simonetti, Giuseppe	10 Aug 1942	0630	La Spezia	10 Aug 1942	1243	La Spezia	31,8	Exercises.
31	Simonetti, Giuseppe	11 Aug 1942	2355	La Spezia	14 Aug 1942	1910	La Spezia	309,2	Defensive patrol. Uneventful.
32	Simonetti, Giuseppe	18 Aug 1942	0130	La Spezia	18 Aug 1942	2200	La Spezia	117,4	Defensive barrage in 44°11'N, 08°56'E with H.1, H.6 and Bajamonti, but recalled at 1700 hours on the 18th.
	Simonetti, Giuseppe	21 Aug 1942	0807	La Spezia	21 Aug 1942	1220	La Spezia	21,6	Exercises.
	Simonetti, Giuseppe	24 Aug 1942	0658	La Spezia	24 Aug 1942	1105	La Spezia	20,2	Exercises.
	Simonetti, Giuseppe	28 Aug 1942	0700	La Spezia	28 Aug 1942	1245	La Spezia	27,9	Exercises.
	Simonetti, Giuseppe	1 Sep 1942	0700	La Spezia	1 Sep 1942	1255	La Spezia	22,5	Exercises.
	Simonetti, Giuseppe	7 Sep 1942	1205	La Spezia	7 Sep 1942	1715	La Spezia	21	Exercises.
	Simonetti, Giuseppe	11 Sep 1942	0740	La Spezia	11 Sep 1942	1222	La Spezia	21,7	Exercises.
	Simonetti, Giuseppe	19 Sep 1942	0730	La Spezia	19 Sep 1942	1737	La Spezia	35,3	Exercises escorted, by A.S.218, A.S.221 and A.S.226.
	Simonetti, Giuseppe	21 Sep 1942	0715	La Spezia	21 Sep 1942	1744	La Spezia	54	Exercises.
	Simonetti, Giuseppe	3 Oct 1942	0645	La Spezia	3 Oct 1942	1510	La Spezia	32,8	Exercises.
	Simonetti, Giuseppe	6 Oct 1942	0802	La Spezia	6 Oct 1942	1252	La Spezia	30,5	Exercises.
	Simonetti, Giuseppe	8 Oct 1942	0700	La Spezia	8 Oct 1942	1630	La Spezia	48,5	Exercises.
	Simonetti, Giuseppe	14 Oct 1942	0722	La Spezia	14 Oct 1942	1645	La Spezia	56	Exercises.
	Simonetti, Giuseppe	16 Oct 1942	1339	La Spezia	16 Oct 1942	1935	La Spezia	35	Exercises.
	Simonetti, Giuseppe	21 Oct 1942	0722	La Spezia	21 Oct 1942	1910	La Spezia	62	Exercises.
	Simonetti, Giuseppe	23 Oct 1942	1055	La Spezia	23 Oct 1942	1840	La Spezia	40	Exercises.
	Simonetti, Giuseppe	26 Oct 1942	0710	La Spezia	26 Oct 1942	1235	La Spezia	29	Exercises.
	Simonetti, Giuseppe	4 Nov 1942	0720	La Spezia	4 Nov 1942	1722	La Spezia	47	Exercises.
33	Simonetti, Giuseppe	8 Nov 1942	0100	La Spezia	11 Nov 1942	1150	La Spezia	392,6	Defensive patrol in Gulf of Genoa. Uneventful.
	Simonetti, Giuseppe	13 Nov 1942	0755	La Spezia	14 Nov 1942	1055	La Maddalena	201	Passage La Spezia-La Maddalena.
	Simonetti, Giuseppe	22 Nov 1942	1700	La Maddalena	23 Nov 1942	1700	La Spezia	201	Passage La Maddalena-La Spezia.
	Simonetti, Giuseppe	27 Nov 1942	0800	La Spezia	27 Nov 1942	1730	La Spezia	49	Exercises.
	Simonetti, Giuseppe	5 Dec 1942	0720	La Spezia	5 Dec 1942	1255	La Spezia	24,5	Exercises.
	Simonetti, Giuseppe	5 Dec 1942	0720	La Spezia	5 Dec 1942	1255	La Spezia	24,5	Exercises.
	Simonetti, Giuseppe	10 Dec 1942	0730	La Spezia	10 Dec 1942	1705	La Spezia	29,2	Exercises.
	Simonetti, Giuseppe	17 Dec 1942	0805	La Spezia	17 Dec 1942	1515	La Spezia	35,7	Exercises.
	Simonetti, Giuseppe	19 Dec 1942	0703	La Spezia	19 Dec 1942	1643	La Spezia	40,5	Exercises.
	Simonetti, Giuseppe	23 Dec 1942	0725	La Spezia	23 Dec 1942	1610	La Spezia	37,5	Exercises.
	Simonetti, Giuseppe	26 Dec 1942	0727	La Spezia	26 Dec 1942	1307	La Spezia	29	Exercises.
	Simonetti, Giuseppe	2 Jan 1943	0725	La Spezia	2 Jan 1943	1245	La Spezia	19	Exercises.
	Simonetti, Giuseppe	3 Jan 1943	0845	La Spezia	3 Jan 1943	1215	La Spezia	8	Exercises.
	Marraccini, Augusto	8 Jan 1943	0735	La Spezia	8 Jan 1943	1715	La Spezia	34	Exercises.
	Marraccini, Augusto	13 Jan 1943	0725	La Spezia	13 Jan 1943	1645	La Spezia	32	Exercises.
	Marraccini, Augusto	15 Jan 1943	1015	La Spezia	15 Jan 1943	1410	La Spezia	24	Exercises.
	Marraccini, Augusto	19 Jan 1943	0710	La Spezia	19 Jan 1943	1810	La Spezia	37	Exercises.
	Marraccini, Augusto	22 Jan 1943	0725	La Spezia	22 Jan 1943	1649	La Spezia	31,5	Exercises.
	Marraccini, Augusto	27 Jan 1943	0720	La Spezia	27 Jan 1943	1635	La Spezia	31	Exercises.
	Marraccini, Augusto	29 Jan 1943	0720	La Spezia	29 Jan 1943	1520	La Spezia	29	Exercises.
	Marraccini, Augusto	1 Feb 1943	0722	La Spezia	1 Feb 1943	1510	La Spezia	35,7	Exercises.
	Marraccini, Augusto	4 Feb 1943	0730	La Spezia	4 Feb 1943	1215	La Spezia	12	Exercises.
	Marraccini, Augusto	10 Feb 1943	0735	La Spezia	10 Feb 1943	1330	La Spezia	22,8	Exercises.
	Marraccini, Augusto	15 Feb 1943	0725	La Spezia	15 Feb 1943	1725	La Spezia	24,7	Exercises.
	Marraccini, Augusto	20 Feb 1943	0830	La Spezia	20 Feb 1943	1320	La Spezia	16,8	Exercises.
	Marraccini, Augusto	24 Feb 1943	0945	La Spezia	24 Feb 1943	1600	La Spezia	19,9	Exercises.
	Marraccini, Augusto	3 Mar 1943	0725	La Spezia	3 Mar 1943	1700	La Spezia	23,5	Exercises.
	Marraccini, Augusto	8 Mar 1943	1400	La Spezia	8 Mar 1943	1730	La Spezia	17	Exercises.
	Marraccini, Augusto	10 Mar 1943	0725	La Spezia	10 Mar 1943	1600	La Spezia	15	Exercises.
	Marraccini, Augusto	15 Mar 1943	1245	La Spezia	15 Mar 1943	1827	La Spezia	17	Exercises.
	Marraccini, Augusto	17 Mar 1943	0720	La Spezia	17 Mar 1943	1727	La Spezia	16,5	Exercises.
	Marraccini, Augusto	19 Mar 1943	0730	La Spezia	19 Mar 1943	1500	Genoa	55,25	Passage La Spezia-Genoa for refit.
	Ginocchio, Luigi	27 Apr 1943	0955	Genoa	27 Apr 1943	1645	Genoa	35	Trials.
	Ginocchio, Luigi	1 May 1943	0945	Genoa	1 May 1943	1500	La Spezia	46	Passage Genoa-La Spezia.
34	Ginocchio, Luigi	10 May 1943	1830	La Spezia	11 May 1943	0750	La Spezia	73	Hydrophone watch.
	Ginocchio, Luigi	13 May 1943	0710	La Spezia	13 May 1943	1720	La Spezia	48	Exercises.
35	Ginocchio, Luigi	14 May 1943	1800	La Spezia	15 May 1943	0807	La Spezia	74	Hydrophone watch.
	Ginocchio, Luigi	18 May 1943	0610	La Spezia	18 May 1943	1818	La Spezia	51	Exercises.
	Ginocchio, Luigi	20 May 1943	0930	La Spezia	20 May 1943	1512	La Spezia	29	Exercises.
	Ginocchio, Luigi	22 May 1943	0710	La Spezia	22 May 1943	1445	La Spezia	25	Exercises.
	Ginocchio, Luigi	27 May 1943	0717	La Spezia	27 May 1943	2057	La Spezia	63	Exercises.
	Ginocchio, Luigi	29 May 1943	0702	La Spezia	29 May 1943	1317	La Spezia	32	Exercises.
	Ginocchio, Luigi	31 May 1943	1630	La Spezia	1 Jun 1943	0927	La Spezia	108	Exercises.
	Ginocchio, Luigi	2 Jun 1943	0735	La Spezia	2 Jun 1943	2122	La Spezia	62	Exercises.
	Ginocchio, Luigi	4 Jun 1943	0739	La Spezia	4 Jun 1943	2135	La Spezia	89	Exercises.
	Ginocchio, Luigi	11 Jun 1943	1002	La Spezia	11 Jun 1943	1250	La Spezia	12	Exercises.
	Ginocchio, Luigi	12 Jun 1943	0843	La Spezia	12 Jun 1943	1650	La Spezia	35	Exercises.
	Ginocchio, Luigi	14 Jun 1943	0710	La Spezia	14 Jun 1943	2045	La Spezia	47	Exercises.
	Ginocchio, Luigi	19 Jun 1943	0630	La Spezia	19 Jun 1943	1200	La Spezia	31,5	Exercises.
	Ginocchio, Luigi	21 Jun 1943	0720	La Spezia	21 Jun 1943	1205	La Spezia	32,5	Exercises.
	Ginocchio, Luigi	23 Jun 1943	0709	La Spezia	23 Jun 1943	1404	La Spezia	30	Exercises.
	Simonetti, Giuseppe	4 Jul 1943	1035	La Spezia	4 Jul 1943	1505	La Spezia	18,5	Exercises.
	Simonetti, Giuseppe	5 Jul 1943	0605	La Spezia	5 Jul 1943	1705	La Spezia	30	Exercises.
	Simonetti, Giuseppe	8 Jul 1943	0720	La Spezia	8 Jul 1943	0923	La Spezia	13,5	Exercises.
36	Simonetti, Giuseppe	9 Jul 1943	1830	La Spezia	10 Jul 1943	0655	La Spezia	64	Hydrophone watch.
	Simonetti, Giuseppe	13 Jul 1943	0800	La Spezia	13 Jul 1943	1500	La Spezia	84	Exercises.
37	Simonetti, Giuseppe	14 Jul 1943	1852	La Spezia	15 Jul 1943	0836	La Spezia	79	Hydrophone watch.
	Simonetti, Giuseppe	16 Jul 1943	1340	La Spezia	16 Jul 1943	1731	La Spezia	3,5	Gyrocompass test.
38	Simonetti, Giuseppe	19 Jul 1943	1815	La Spezia	20 Jul 1943	0231	La Spezia	54	Hydrophone watch.
	Simonetti, Giuseppe	22 Jul 1943	0610	La Spezia	22 Jul 1943	1450	La Spezia	31	Exercises.
	Simonetti, Giuseppe	29 Jul 1943	1450	La Spezia	30 Jul 1943	0745	La Spezia	52	Exercises with the submarine Rismondo and the gunboat Zagabria.
39	Simonetti, Giuseppe	25 Aug 1943	1510	La Spezia	26 Aug 1943	0650	La Spezia	?	Hydrophone watch.
	Simonetti, Giuseppe	28 Aug 1943	0635	La Spezia	28 Aug 1943	1250	La Spezia	?	Exercises.
	Simonetti, Giuseppe	30 Aug 1943	0745	La Spezia	30 Aug 1943	1650	La Spezia	120	Exercises.
	Pedrotti, Francesco	7 Sep 1943	1715	La Spezia	8 Sep 1943	1330	Ajaccio	160	Passage La Spezia-Ajaccio.
	Pedrotti, Francesco	11 Sep 1943	0030	Ajaccio	12 Sep 1943	0810	Portoferraio	170	Passage Ajaccio-Portoferraio.
	Pedrotti, Francesco	12 Sep 1943	2105	Portoferraio	14 Sep 1943	1930	Palermo	330	Passage Portoferraio-Palermo with H.1 and H.2.
		14 Sep 1943	0315	(0) About 80 miles from Palermo (60 miles SW of Guardia Point).	At 0315 hours, an aircraft believed to be a German Dornier 215 bomber, was sighted at a distance of 1,000 metres flying at a height of 100-200 metres. It dropped four bombs on the submarine and strafed her. H.4 was missed. This was probably Liberator 'Q' (1st Lieutenant H.S. Cantrell) of the 1st USAAF A/S Squadron (480 Group) operating out of Protville, which dropped six depth charges but then identified the two submarines as Italian.
	Beverini, Enrico	19 Sep 1943	2140	Palermo	21 Sep 1943	1130	Malta	240	Passage Palermo-Malta with the submarine Axum, escorted by the torpedo boats Fabrizi and Carini and the tug Liscanera.
	Barca, Luciano	5 Oct 1943		Malta	31 Oct 1943		Malta		At Malta. Change in command.
	Canezza, Antonio	1 Nov 1943		Malta	22 May 1944		Malta		At Malta. Change in command.
	Beverini, Enrico	23 May 1944		Malta	15 Jul 1944		Malta		At Malta. Change in command.
	Febbraro, Giovanni	16 Jul 1944		Malta	6 Aug 1944		Malta		At Malta. Change in command.
	Canezza, Antonio	9 Aug 1944	1910	Malta	11 Aug 1944	1135	Taranto	360	Passage Malta-Taranto towed by the torpedo boat Abba, with the submarine Otaria (who left them to go to Augusta).
	Beverini, Enrico	16 Aug 1944		Taranto	10 Oct 1944		Taranto		In reserve at Taranto.
	Monteleoni, Leone	11 Oct 1944		Taranto	30 Nov 1944		Taranto		In reserve at Taranto.
	De Ferrante, Luigi	30 Nov 1944		Taranto	31 Jul 1944		Taranto		In reserve at Taranto until the end of the war.

246 entries. 246 total patrol entries (39 marked as war patrols) and 1 events.

All Italian submarines

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