Dessiè (DE)
Dessiè

Type	Coastal / Sea going
Class	Adua (23)
Laid down	20 Apr 1936	Cantieri Navale Tosi di Taranto, Taranto
Launched	20 Nov 1936
Commissioned	14 Apr 1937
End service
Stricken
Loss date	28 Nov 1942
Loss position	37° 05'N, 7° 55'E
History
Fate	Sunk on 28th November 1942 north-east of Bone, Algeria, in position 37°05'N, 07°55'E by depth charges and gunfire from the destroyers HMS Quentin and HMAS Quiberon.

Commands

Commander	Date from	Date to	Command notes
C.C. Fausto Sestini	12 Oct 1939	2 Jun 1940
C.C. Benedetto Luchetti	6 Jun 1940	1 Jul 1940
C.C. Fausto Sestini	2 Jul 1940	17 Sep 1940
T.V. Ottavio Stampalia	18 Sep 1940	22 Sep 1940
T.V. Adriano Pini	23 Sep 1940	29 May 1942
S.T.V. Remigio Dapiran	1 Jun 1942	13 Jun 1942
C.C. Gino Andreani	13 Jun 1942	17 Jun 1942
T.V. Renato Scandola	17 Jun 1942	13 Aug 1942
T.V. Alpinolo Cinti	16 Aug 1942	19 Aug 1942
T.V. Alberto Gorini	4 Sep 1942	28 Nov 1942

Ships hit

	Date	Commander	Ship hit	Type	GRT	Nat.	Loss type
1.	12 Aug 1942	T.V. Renato Scandola	Deucalion?	Cargo ship	7,516		Damaged?

Patrols and events

	Commander	Date	Time	Port	Arr. date	Arr. time	Arr. port	Miles	Description
	Sestini, Fausto	31 May 1940	1057	Taranto	31 May 1940	1125	Taranto	0,5	Docked?
	Luchetti, Benedetto	14 Jun 1940	1115	Taranto	14 Jun 1940	1200	Taranto	0,5	Undocked?
	Sestini, Fausto	26 Jul 1940	0752	Taranto	26 Jul 1940	1735	Taranto	62,3	Trials.
	Sestini, Fausto	27 Jul 1940	1024	Taranto	27 Jul 1940	1210	Taranto	62,3	Trials.
	Sestini, Fausto	31 Jul 1940	0933	Taranto	31 Jul 1940	1835	Taranto	43,7	Trials.
	Sestini, Fausto	1 Aug 1940	0625	Taranto	1 Aug 1940	1705	Taranto	61,8	Exercises.
	Sestini, Fausto	2 Aug 1940	0642	Taranto	2 Aug 1940	1215	Taranto	36,5	Exercises.
1	Sestini, Fausto	3 Aug 1940	2220	Taranto	20 Aug 1940	1630	Augusta	1683	Patrolled southwest of Crete, between 34°20'N and 35°12'N, and between 23°00'E and 24°00'E, with Dagabur in an adjacent area.
	Sestini, Fausto	22 Aug 1940	1010	Taranto	22 Aug 1940	1030	Augusta	0,7	Docked?
	Sestini, Fausto	3 Sep 1940	Time?	Augusta	3 Sep 1940	Time?	Augusta	2,5	Trials.
	Sestini, Fausto	6 Sep 1940	1225	Augusta	7 Sep 1940	0418	Augusta	131,9	Trials to test hydrophones, at various depths, with the Porto Palo Station. Unsuccessful experiment.
	Sestini, Fausto	8 Sep 1940	Time?	Augusta	8 Sep 1940	Time?	Augusta	0,5	Docked?
	Sestini, Fausto	9 Sep 1940	Time?	Augusta	9 Sep 1940	Time?	Augusta	0,5	Undocked?
	Sestini, Fausto	10 Sep 1940	Time?	Augusta	10 Sep 1940	Time?	Augusta	1	Trials?
	Sestini, Fausto	13 Sep 1940	Time?	Augusta	13 Sep 1940	Time?	Augusta	6,4	Exercises?.
	Stampalia, Ottavio	18 Sep 1940		Augusta	22 Sep 1940		Augusta		At Augusta.
	Pini, Adriano	10 Oct 1940	1358	Augusta	10 Oct 1940	1603	Augusta	7,8	Exercises.
2	Pini, Adriano	23 Oct 1940	1015	Augusta	8 Nov 1940	0900	Augusta	1782	Patrolled north of Gulf of Sollum, between 31°55'N and 32°40'N, and between 25°35'E and 26°35'E with Settembrini in an adjacent area.
		26 Oct 1940	1810	(0) Off Cyrenaica.	At 1810 hours, a vessel believed to be an Italian torpedo boat, was sighted at a distance of 1,500 metres. By precaution, Dessié dived. This was actually the submarine Settembrini.
		2 Nov 1940	0135	32° 25'N, 25° 54'E	At 0135 hours, a submarine was briefly sighted in very poor visibility at a distance from 150 to 50 metres. It was believed to have been Luigi Settembrini, but she did not report any sighting and no British submarine operated in the vicinity.
	Pini, Adriano	21 Nov 1940	1343	Augusta	21 Nov 1940	1620	Augusta	13	Trials.
3	Pini, Adriano	26 Nov 1940	0130	Augusta	1 Dec 1940	1200	Augusta	594	Patrolled northwest of Malta within 15 miles from 36°30'N, 13°10'E to the westward.
		28 Nov 1940	0305 0315.5 (e)	36° 30'N, 12° 59'E	At 0302 hours, a naval squadron was sighted at a distance of 4,000 metres. It consisted of three large units proceeding in single file and steering 270° at 20 knots. At 0305 hours, two torpedoes (one 533mm and one 450 mm) were fired from the stern tubes at a range of 3,500 metres, aimed at the second ship. Dessié dived upon firing and two hits were heard. In fact, both had missed. The targets were the heavy cruiser HMS York and the light cruisers HMS Gloucester and HMS Glasgow. They also heard one explosion but this was probably a torpedo detonating at the end of its run. It must also be noted that these three ships heard two detonations at 0138 hours in 36°57' N, 11°37' E but these were probably from the attack by the torpedo boat Calliope.
4	Pini, Adriano	18 Dec 1940	1455	Augusta	27 Dec 1940	1240	Augusta	731	Patrolled east of Malta on a line 10 miles south from 35°50'N, 15°40'E, with Serpente in an adjacent area. Uneventful.
	Pini, Adriano	16 Jan 1941	0900	Augusta	16 Jan 1941	1145	Augusta	12,5	Exercises.
5	Pini, Adriano	19 Jan 1941	1800	Augusta	1 Feb 1941	1020	Augusta	1438	Patrolled east of Malta to the Gulf of Sollum. Uneventful except for H.E.
	Pini, Adriano	17 Feb 1941	1330	Augusta	17 Feb 1941	1625	Augusta	10,5	Exercises.
	Pini, Adriano	19 Feb 1941	0920	Augusta	19 Feb 1941	1820	Augusta	10,5	Exercises.
	Pini, Adriano	7 Mar 1941	0715	Augusta	8 Mar 1941	1347	Naples	262	Passage Augusta-Naples.
	Pini, Adriano	12 Apr 1941	1011	Naples	12 Apr 1941	1851	Naples	30,5	Exercises.
	Pini, Adriano	18 Apr 1941	0828	Naples	18 Apr 1941	1710	Naples	59,5	Exercises.
	Pini, Adriano	21 Apr 1941	0810	Naples	21 Apr 1941	1610	Naples	30	Exercises.
	Pini, Adriano	22 Apr 1941	0807	Naples	22 Apr 1941	1336	Naples	27,5	Exercises.
	Pini, Adriano	23 Apr 1941	1500	Naples	23 Apr 1941	1530	Naples	1,5	Docked?
	Pini, Adriano	24 Apr 1941	1800	Naples	24 Apr 1941	1836	Naples	1,5	Undocked?
	Pini, Adriano	25 Apr 1941	0906	Naples	25 Apr 1941	1612	Naples	33	Exercises.
	Pini, Adriano	30 Apr 1941	0802	Naples	30 Apr 1941	1112	Naples	18	Exercises.
	Pini, Adriano	2 May 1941	0804	Naples	2 May 1941	1135	Naples	30	Exercises.
	Pini, Adriano	3 May 1941	0925	Naples	3 May 1941	0935	Naples	0,3	Docked?
	Pini, Adriano	5 May 1941	0750	Naples	5 May 1941	0800	Naples	0,3	Undocked?
	Pini, Adriano	8 May 1941	0803	Naples	8 May 1941	1237	Naples	31	Exercises.
	Pini, Adriano	10 May 1941	1018	Naples	10 May 1941	1551	Naples	26,5	Exercises.
	Pini, Adriano	13 May 1941	1944	Naples	14 May 1941	0110	Naples	32	Exercises.
	Pini, Adriano	16 May 1941	1009	Naples	17 May 1941	1425	Augusta	277	Passage Naples-Augusta.
6	Pini, Adriano	23 May 1941	2255	Augusta	8 Jun 1941	0850	Augusta	1725	Patrolled between (1) 32°26'N, 27°54'E (2) 32°13'E, 28°13'E (3) 32°38'N, 28°48'E (4) 32°56'N, 28°36'E. On the way, was diverted to investigate the Bay of Messara, south of Crete in 34°50'N, 24°20'E or Grids 2418 and 2433. Heard only H.E.
		6 Jun 1941	Time?	35° 55'N, 20° 10'E	During the day (probably morning, time not given), a derelict mine was fired upon (250 rounds of 13mm and 80 rounds of 6.5mm ammunition) but without sinking it.
	Pini, Adriano	26 Jun 1941	1007	Augusta	26 Jun 1941	1210	Augusta	6	Exercises.
	Pini, Adriano	2 Jul 1941	1045	Augusta	2 Jul 1941	1347	Augusta	18	Exercises.
	Pini, Adriano	4 Jul 1941	0800	Augusta	4 Jul 1941	1142	Augusta	21,5	Exercises.
	Pini, Adriano	6 Jul 1941	0800	Augusta	6 Jul 1941	1137	Augusta	18	Exercises.
	Pini, Adriano	7 Jul 1941	1525	Augusta	7 Jul 1941	1800	Augusta	9	Exercises.
	Pini, Adriano	14 Jul 1941	0855	Augusta	14 Jul 1941	1141	Augusta	17	Exercises.
7	Pini, Adriano	23 Jul 1941	1215	Augusta	27 Jul 1941	0910	Augusta	473	Patrolled west of Malta within 15 miles from 36°30'N, 13°06'E or about 38 miles north of Linosa. Uneventful.
	Pini, Adriano	30 Jul 1941	2005	Augusta	3 Aug 1941	0900	Leros	618	Passage Augusta-Leros. Uneventful. HMS Unique, patrolling near Augusta, was told of her departure from an ULTRA decrypt but was a little too far North to intercept.
	Pini, Adriano	20 Aug 1941	0824	Leros	20 Aug 1941	1220	Leros	30,5	Exercises.
	Pini, Adriano	29 Aug 1941	0800	Leros	29 Aug 1941	1157	Leros	25	Exercises.
8	Pini, Adriano	5 Sep 1941	1315	Leros	9 Sep 1941	0544	Leros	360	Patrolled near Kandeluisa, between 35°50'N and 36°05'N, and between 26°43'E and 27°00'E. Ran aground due to an error in navigation.
		8 Sep 1941	0930	(0) Makri Sophrano Islet (southernmost of the Sopkrana Nisia group).	At 0930 hours, due to an error in navigation, Dessié hit a rock with some damage to her bow. T.V. Adriano Pini and two others received a reprimand.
	Pini, Adriano	10 Sep 1941	1500	Leros	10 Sep 1941	1522	Leros	0,3	Docked?
	Pini, Adriano	17 Sep 1941	1129	Leros	17 Sep 1941	1150	Leros	0,3	Undocked?
	Pini, Adriano	19 Sep 1941	0815	Leros	19 Sep 1941	1142	Leros	21,5	Exercises.
9	Pini, Adriano	20 Sep 1941	0733	Leros	21 Sep 1941	0730	Leros	168	Sailed for patrol between Cyprus, Egypt and the Palestinian coast, but turned back when it was realised she was leaking fuel (British Intelligence was aware of it through an ULTRA intercept).
	Pini, Adriano	21 Sep 1941	1005	Leros	21 Sep 1941	1112	Leros	3	Trials.
	Pini, Adriano	23 Sep 1941	0733	Leros	23 Sep 1941	1221	Leros	27	Trials.
	Pini, Adriano	25 Sep 1941	1312	Leros	25 Sep 1941	1333	Leros	0,3	Docked?
	Pini, Adriano	27 Sep 1941	1012	Leros	27 Sep 1941	1031	Leros	0,3	Undocked?
	Pini, Adriano	30 Sep 1941	0839	Leros	30 Sep 1941	1202	Leros	27	Exercises.
	Pini, Adriano	1 Oct 1941	0813	Leros	1 Oct 1941	1207	Leros	28	Exercises.
	Pini, Adriano	2 Oct 1941	0814	Leros	2 Oct 1941	1157	Leros	21	Exercises.
	Pini, Adriano	5 Oct 1941	1055	Leros	5 Oct 1941	1114	Leros	0,3	Docked?
	Pini, Adriano	9 Oct 1941	0926	Leros	9 Oct 1941	0947	Leros	0,3	Undocked?
	Pini, Adriano	11 Oct 1941	0809	Leros	11 Oct 1941	1223	Leros	31,5	Exercises.
	Pini, Adriano	20 Oct 1941	1353	Leros	20 Oct 1941	1415	Leros	0,3	Docked?
	Pini, Adriano	25 Oct 1941	1034	Leros	25 Oct 1941	1121	Leros	1,5	Undocked?
	Pini, Adriano	27 Oct 1941	0810	Leros	27 Oct 1941	1130	Leros	31,5	Exercises.
	Pini, Adriano	1 Nov 1941	0824	Leros	1 Nov 1941	1217	Leros	21	Exercises.
	Pini, Adriano	4 Nov 1941	0859	Leros	4 Nov 1941	1208	Leros	21	Exercises.
	Pini, Adriano	13 Nov 1941	0806	Leros	13 Nov 1941	1130	Leros	21	Exercises.
	Pini, Adriano	29 Nov 1941	0805	Leros	29 Nov 1941	1155	Leros	20	Exercises.
10	Pini, Adriano	3 Dec 1941	1150	Leros	15 Dec 1941	0735	Leros	935	Defensive patrol near Leros, between Nikaria Channel and latitude 38°00'N, and between 25°20'E and 26°00'E.
		7 Dec 1941	0430	(0) Off Cape Pappas.	At 0430 hours, a vessel was sighted at a distance of 12,000 metres, followed by another at 0457 hours. Dessié closed to investigate. These proved to be the Italian Bucintoro (1,273 GRT, built 1909) escorted by the auxiliary Canogli on their way to Leros. They exchanged signals and closed to voice range to ascertain their respective identities.
	Pini, Adriano	17 Dec 1941	0900	Leros	17 Dec 1941	0930	Leros	0,5	Docked?
	Pini, Adriano	23 Dec 1941	1050	Leros	23 Dec 1941	1115	Leros	0,5	Undocked?
11	Pini, Adriano	4 Jan 1942	1700	Leros	6 Jan 1942	0540	Leros	275	Sailed for patrol off Tobruk in Grids 6285 and 3485 but turned back because of defects. Uneventful.
	Pini, Adriano	8 Jan 1942	0845	Leros	8 Jan 1942	1045	Leros	11	Exercises.
	Pini, Adriano	11 Jan 1942	0800	Leros	17 Jan 1942	0815	Augusta	806	Passage Leros-Augusta. Initially, on 10/1, the route was established as follows: (a) Point E of Stampalia (b) 36°06'N, 26°00'E (c) 36°05'N, 24°10'E (d) 35°45'N, 23°30'E, (e) 35°45'N, 23°00'E and (f) Point A1 of Augusta) then was altered to (a) Kaso Straits (b) 35°00'N, 26°44'E (c) 33°40'N, 26°20'E (d) 34°10'N, 22°40'E (e) Point A1 of Augusta. Uneventful.
	Pini, Adriano	18 Jan 1942	1040	Augusta	19 Jan 1942	1600	Naples	316	Passage Augusta-Naples.
	Pini, Adriano	1 Apr 1942	1016	Naples	1 Apr 1942	1800	Naples	57	Trials.
	Pini, Adriano	7 Apr 1942	0947	Naples	7 Apr 1942	1520	Naples	31	Trials.
	Pini, Adriano	10 Apr 1942	0843	Naples	10 Apr 1942	1735	Naples	60	Trials.
	Pini, Adriano	11 Apr 1942	1430	Naples	11 Apr 1942	1927	Naples	38,5	Exercises with torpedo boat Achille Papa.
	Pini, Adriano	13 Apr 1942	0845	Naples	13 Apr 1942	2304	Naples	92	Trials.
	Pini, Adriano	19 Apr 1942	0912	Naples	19 Apr 1942	2014	Naples	25	Gyrocompass tests.
	Pini, Adriano	20 Apr 1942	1054	Naples	20 Apr 1942	1420	Naples	22,5	Trials.
	Pini, Adriano	22 Apr 1942	1243	Naples	22 Apr 1942	1706	Naples	31	Trials.
	Pini, Adriano	23 Apr 1942	0930	Naples	23 Apr 1942	1029	Naples	1,5	Docked.
	Pini, Adriano	23 Apr 1942	1909	Naples	23 Apr 1942	1938	Naples	1,5	Undocked.
	Pini, Adriano	24 Apr 1942	2042	Naples	25 Apr 1942	1843	Trapani	210	Passage Naples-Trapani.
12	Pini, Adriano	4 May 1942	2100	Trapani	23 May 1942	0730	Trapani	2016,5	Patrolled in Western Mediterranean, between 38°00'N and 38°40'N, and between 02°40'E and 03°00'E. Uneventful. Heard only H.E. and distant explosions.
		5 May 1942	1221	38° 26'N, 9° 46'E	At 1221 hours, a derelict mine was sunk after an expenditure of 170 rounds of 13.2mm and 13 rounds of 9mm ammunition.
		22 May 1942	1750	38° 21'N, 11° 00'E	At 1750 hours, a derelict mine was sunk after an expenditure of 90 rounds of 13.2mm ammunition.
	Dapiran, Remigio	8 Jun 1942	0729	Trapani	8 Jun 1942	1305	Trapani	21	Trials.
13	Andreani, Gino	13 Jun 1942	0843	Trapani	17 Jun 1942	1635	Trapani	514	Patrolled near La Galite, between 36°00'N and 36°00'N, and between 13°20'E and 13°40'E, on a patrol line with Onice and Aradam.
13b	Scandola, Renato	18 Jun 1942	0000	Trapani	21 Jun 1942	1705	Augusta	586	Patrolled near La Galite, between 37°20'N and 37°45'N, and between 09°40'E and 10°20'E, but was recalled. Uneventful. At 0545 hours on the 21st, the torpedo boat Abba was met and escorted Dessiè, Aciaio and Alagi back to Augusta.
		19 Jun 1942	1920	(0) Near La Galite.	At 1920 hours, a Catalina aircraft was sighted at a distance of 8,000 metres. The aircraft did not sight the submarine and Dessiè remained on the surface.
	Scandola, Renato	26 Jun 1942	0031	Augusta	27 Jun 1942	0655	Trapani	297	Passage Augusta-Trapani.
	Scandola, Renato	1 Jul 1942	0834	Trapani	1 Jul 1942	1510	Trapani	44	Trials.
14	Scandola, Renato	16 Jul 1942	0130	Trapani	27 Jul 1942	1743	Trapani	829	Patrolled in area K.2 (off Ras Mustafa), between 36°53'N and 36°57'N, and between 11°12'E and the Tunisian coast. Uneventful.
		18 Jul 1942	1755	(0) Off Kelibia (Tunisia).	At 1755 hours, the Italian steamer Saturno (5,022 GRT, built 1914) was sighted proceeding independently to Tripoli. T.V. Scandola observed that the torpedo-boat escort (Orione) was not present.
	Scandola, Renato	4 Aug 1942	1403	Trapani	4 Aug 1942	1810	Trapani		Exercises.
	Scandola, Renato	10 Aug 1942	0856	Trapani	10 Aug 1942	1152	Trapani	25	Trials.
15	Scandola, Renato	11 Aug 1942	1220	Trapani	14 Aug 1942	0830	Trapani	352	Sailed with Ascianghi and Alagi for patrol, between 37°20'N and 38°00'N, and between 10°00'E and 10°40'E, in the Sicilian Channel and off the Tunisian coast to operate against the PEDESTAL convoy.
		12 Aug 1942	1938 1956 or 2058? (e)	37° 38'N, 10° 25'E	At 1900 hours, the smokes of the convoy were sighted on the horizon. Ten minutes later, fourteen merchant ships and ten destroyers could be counted. They were steering 110° at 14 knots. At 1938 hours, four torpedoes (533mm) were fired at 3-second intervals from the bow tubes, at a distance of 1,800 metres. After 100 seconds, two hits were heard. Between 1956 and 2127 hours, Dessié was hunted and escaped to a depth of 90 metres; 120 depth charges were counted, but none were near enough to cause damage. There was no opportunity for an attack with the stern tubes as it was hoped. There is no absolute certainty that Dessié hit anything with this salvo. Some accounts credit her with hitting Deucalion (7,516 GRT, built 1930) but she was near-missed at 1315 hours by a bomb and damaged. Later, she was hit by a torpedo bomber and sunk at 2120 hours in 270° - Cani Rocks - 5 miles. Brisbane Star is also reported to have been torpedoed by aircraft at 2058 hours. Was she damaged earlier? There was great confusion in these hours and it is difficult to properly assess what transpired. At 2212 hours, Dessié surfaced and witnessed two vessels on fire.
		13 Aug 1942	1755	37° 35'N, 10° 24'E (0) Off Tunisian coast.	At 1755 hours, Dessié was attacked in error by four German Junker 88 bombers despite her frantic signals. They each dropped four bombs. They missed by about 50 metres. At 1935 hours, the submarine was attacked once again by German aircraft, this time she was narrowly straddled and damaged by near-misses. T.V. Scandola, three officers and three ratings were wounded, one rating was killed. The submarine had to abort her patrol.
	Cinti, Alpinolo	18 Aug 1942	1400	Trapani	19 Aug 1942	1620	Messina	260	Passage Trapani-Messina.
	Gorini, Alberto	13 Sep 1942	1515	Messina	13 Sep 1942	1915	Messina	7,5	Trials.
	Gorini, Alberto	27 Sep 1942	1330	Messina	27 Sep 1942	1741	Messina	7,5	Trials.
	Gorini, Alberto	28 Sep 1942	1510	Messina	28 Sep 1942	1810	Messina	16	Trials.
	Gorini, Alberto	29 Sep 1942	0813	Messina	29 Sep 1942	0905	Messina	3	Trials.
	Gorini, Alberto	30 Sep 1942	0736	Messina	30 Sep 1942	1145	Messina	13	Exercises.
	Gorini, Alberto	4 Oct 1942	0745	Messina	4 Oct 1942	1124	Messina	16	Exercises.
	Gorini, Alberto	14 Oct 1942	0808	Messina	14 Oct 1942	1130	Messina	16	Exercises.
	Gorini, Alberto	16 Oct 1942	1335	Messina	16 Oct 1942	1620	Messina	12	Exercises.
	Gorini, Alberto	23 Oct 1942	0757	Messina	23 Oct 1942	1210	Messina	18	Exercises.
	Gorini, Alberto	1 Nov 1942	1400	Messina	1 Nov 1942	1610	Messina		Exercises.
16	Gorini, Alberto	2 Nov 1942	2115	Messina	6 Nov 1942	0800	Tobruk		Supply mission to Tobruk (19.5 tons of boxed ammunition). At 0430 hours on the 5th, she was to pass through 34°02'N, 22°12'E.
		4 Nov 1942	0752	35° 55'N, 21° 00'E	At 0752 hours, an aircraft was sighted at a distance of 5,000 metres and the submarine dived.
		4 Nov 1942	1220	35° 50'N, 21° 10'E	At 1220 hours, an aircraft was sighted at a distance of 8,000 metres and the submarine dived.
16b	Gorini, Alberto	6 Nov 1942	1738	Tobruk	11 Nov 1942	0720	Messina		Return trip from supply mission to Tobruk, via 34°30'N, 22°20'E at 1200/7 then on course 297° through 36°36'N, 17°20'E.
		8 Nov 1942	0855	34° 40'N, 21° 40'E	At 0855 hours, an aircraft was sighted at a distance of 8,000 metres and the submarine dived.
	Gorini, Alberto	14 Nov 1942	1200	Messina	14 Nov 1942	1620	Messina		Exercises.
17	Gorini, Alberto	18 Nov 1942	0730	Messina	28 Nov 1942	1400	Sunk with all hands		Sailed for patrol off Philippeville via (1) 39°00'N, 15°15'E (Point M2) (2) 38°50'N, 13°10'E (3) 39°00'N, 10°20'E to area between 37°00'N and 37°20'N, and between 07°40'E and 08°00'E then orderered to investigate Bougie. She acknowledged reception of a message at 1912 hours on the 27th. She had been advised, on 1st December 1942, to attack the French Eleonore Fresnel (150 GRT, lighthouse supply vessel) with naval personnel who had escaped from Toulon but she reached Algiers ca. 3rd December. On 30th November, she was to leave her patrol at 1800 hours on the 30th, to return to Naples via (1) 37°20'N, 08°00'E at 1830/30 (2) 39°00'N, 10°20'E at 1100/1 (3) 40°00'N, 11°20'E at 1800/1 (4) Point C (Naples) at 0700/2. Sunk off Bone by the destroyers HMAS Quiberon and HMS Quentin in 37°04'N, 07°49'E (five officers and forty-two other ranks lost, no survivors).
		28 Nov 1942	1254-1533 (e)	(e) 37° 05'N, 7° 55'E	At 1212 hours, the destroyer HMS Quentin sailed from Bône, following a report from an aircraft that a submarine was sighted in the vicinity at 1145 hours. She was later joined by the destroyer HMAS Quiberon who sailed at 1318 hours. At 1250 hours, the destroyer picked up an ASDIC contact at 2,000 yards. At 1254 hours, ten depth charges were dropped, set from 100 and 225 feet. At 1308 hours, ten depth charges were dropped, set from 150 and 385 feet. At 1330 hours, ten depth charges were dropped, set from 350 and 550 feet (bubbles and oil were sighted). At 1359 hours, ten depth charges were dropped, set from 50 and 140 feet. At 1407 hours, ten depth charges were dropped, set from 150 and 385 feet. At 1525 hours, HMAS Quiberon joined in the attack by dropping five depth charges set at 385 feet (more bubbles and a black object were seen). At 1533 hours, HMS Quentin dropped a final pattern of ten depth charges set at 350 and 550 feet. At 1356 hours, the U-boat broke surface, the bow emerging vertically. The bow disappeared and reappeared until the entire boat was visible on the surface. This lasted only a minute and a half before the submarine slid underwater, stern first, with the bow disappearing vertically. The destroyers had opened fire with 4,7" guns and smaller weapons, without scoring a hit. None of the submarine's crew appeared on deck or on the bridge. There is little doubt that this was Dessié. There were no survivors. T.V. Alberto Gorini, four officers and forty-two other ranks perished.

121 entries. 117 total patrol entries (17 marked as war patrols) and 16 events.

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