Allied Warships

HMS Unruffled (P 46)

Submarine of the U class

NavyThe Royal Navy
TypeSubmarine
ClassU 
PennantP 46 
Built byVickers Armstrong (Barrow-in-Furness, U.K.) 
Ordered23 Aug 1940 
Laid down25 Feb 1941 
Launched19 Dec 1941 
Commissioned9 Apr 1942 
End service 
History

Scrapped at Troon in January 1946.

 

Commands listed for HMS Unruffled (P 46)

Please note that we're still working on this section.

CommanderFromTo
1Lt. John Samuel Stevens, DSC, RN27 Feb 1942Jan 1944
2Lt. Oliver Lascelles, DSC, RNJan 194413 Apr 1944
3Lt. Robert Francis Park, RN13 Apr 19445 Dec 1944
4T/Lt. Allan Harold MacCoy, DSC, SANF(V)5 Dec 194418 Oct 1945

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Notable events involving Unruffled include:


The page for this submarine is currently (July 2016 and onwards) being updated.

8 Apr 1942
HMS P 46 (Lt. J.S. Stevens, DSC, RN) departed her builders yard at Barrow for Holy Loch. She was escorted by HrMs Jan van Gelder (Lt. P.L.M. van Geen, RNN).

9 Apr 1942
HMS P 46 (Lt. J.S. Stevens, DSC, RN) arrived at Holy Loch to begin a period of trials and training.

13 May 1942
HMS P 46 (Lt. J.S. Stevens, DSC, RN) departed Rothesay for Lerwick. She made the passage together with HMS P 614 (Lt. D.J. Beckley, RN) and HrMs O 10 (Lt. Baron D.T. Mackay, RNN). They were escorted by HrMs Jan van Gelder (Lt. P.L.M. van Geen, RNN).

16 May 1942
HMS P 46 (Lt. J.S. Stevens, DSC, RN) arrived at Lerwick. She departed for her 1st war patrol later the same day. She was ordered to patrol in the Norwegian Sea to provide cover during convoy operations to and from Northern Russia (convoys PQ 16 / QP 12).

1 Jun 1942
HMS P 46 (Lt. J.S. Stevens, DSC, RN) ended her 1st war patrol at Lerwick.

2 Jun 1942
HMS P 46 (Lt. J.S. Stevens, DSC, RN) departed Lerwick for Holy Loch. She was escorted by HMS White Bear (Cdr. (retired) C.C. Flemming, RN).

5 Jun 1942
HMS P 46 (Lt. J.S. Stevens, DSC, RN) arrived at Holy Loch.

12 Jun 1942
HMS P 46 (Lt. J.S. Stevens, DSC, RN) and HMS P 222 (Lt. A.J. MacKenzie, RN) both departed Holy Loch for their passage to Gibraltar. Both submarines were to join the Mediterranean Fleet. They were escorted until Bishops Rock by HrMs Jan van Gelder (Lt. P.L.M. van Geen, RNN).

25 Jun 1942
HMS P 46 (Lt. J.S. Stevens, DSC, RN) arrived at Gibraltar.

2 Jul 1942
HMS P 46 (Lt. J.S. Stevens, DSC, RN) departed Gibraltar for her 2nd war patrol (1st in the Mediterranean). She was ordered to patrol in the Alboran Sea.

10 Jul 1942
HMS P 46 (Lt. J.S. Stevens, DSC, RN) ended her 2nd war patrol (1st in the Mediterranean) at Gibraltar.

1 Aug 1942
HMS P 46 (Lt. J.S. Stevens, DSC, RN) departed Gibraltar for her 3rd war patrol (2nd in the Mediterranean). She was ordered to proceed to Malta and to provide cover during operation Pedestal.

10 Aug 1942
HMS P 46 (Lt. J.S. Stevens, DSC, RN) attacked a merchant vessel with three torpedoes west-north-west of Marettimo Island. No hits were obtained.

(All times are zone -2)
1835 hours - In position 38°03'N, 11°52'E sighted a merchant ship bearing 080°. Enemy course 270°.

1909 hours - Commenced attack. The enemy was escorted by a flying boat.

1935 hours - Fired three torpedoes at the target, a 4000 tons merchant vessel. Range was 2500 yards. No hits were obtained. One of the torpedoes had a gyro failure and was circling.

15 Aug 1942
P 46 (Lt. J.S. Stevens, DSC, RN) ended her 3rd war patrol (2nd in the Mediterranean) at Malta.

24 Aug 1942
P 46 (Lt. J.S. Stevens, DSC, RN) departed Malta for her 4th war patrol (3rd in the Mediterranean). She was ordered to patrol off Misurata, Libya.

6 Sep 1942
P 46 (Lt. J.S. Stevens, DSC, RN) ended her 4th war patrol (3rd in the Mediterranean) at Malta.

18 Sep 1942
P 46 (Lt. J.S. Stevens, DSC, RN) departed Malta for her 5th war patrol (4th in the Mediterranean). She is ordered to patrol off Kuriat, Tunisia.

21 Sep 1942
At 0105 hours HMS P 46 (Lt. J.S. Stevens, DSC, RN) sank the Italian auxiliary minesweeper N 10 / Aquila (305 GRT) with gunfire off the Tunisian near Mehedia.

Shortly afterwards P 46 torpedoed and sank the Vichy-French merchant Liberia (3890 GRT, built 1905) north-east of Mehedia, Tunisia in position 35°36'N, 11°09'E.

(All times are zone -2)
20 September 1942
2245 hours - Sighed a darkened ship bearing 240°. The target was proceeding to the south. Closed to investigate.

21 September 1942
0017 hours - The vessel was identified as a large three-masted auxiliary schooner. A small motor craft was seen astern. Decided to attack the schooner with gunfire. The small craft was difficult to identify. It could not be seen if it was an escort.

0105 hours - In position 35°33'N, 11°08'E opened fire on the schooner from 1000 yards and still closing. 12 rounds were fired for 8 hits. The crew was seen to abandon ship. The schooner was set on fire and this could still be seen 4 hours later. The small boat was not seen again but later it was thought she was seen picking up survivors.

0130 hours - Proceeded to investigate lights of a vessel seen bearing 330°, also on a southerly course.

0200 hours - The vessel was seen to fly French colours and the name Liberia was illuminated on her side. Decided to attack as all ships in these waters were to be considered hostile.

0213 hours - In position 35°36'N, 11°09'E fired two torpedoes from 1000 yards. The first torpedo circled to starboard with a gyro failure. The second hit just abaft the mainmast.

0228 hours - The ship was seen to sink.

22 Sep 1942
HMS P 46 (Lt. J.S. Stevens, DSC, RN) torpedoed and sank the Italian merchant Leonardo Palomba (1110 GRT, built 1899) about east of Sousse, Tunisia in position 35°45'N, 11°11'E.

(All times are zone -2)
0241 hours - Sighted smoke bearing 045°. Closed to investigate.

0300 hours - Identified one unescorted merchant vessel on a southerly course. Started attack.

0325 hours - In position 35°53'N, 11°09'E fired two torpedoes. Both missed ahead.

0330 hours - Opened fire with the 3" gun. 4 rounds were fired from 1000 yards. 2 probable hits were obtained. The enemy opened up with machine gun fire and the action was broken off and P 46 dived.

0350 hours - Surfaced. Decided to shadow the enemy until moonset and then attack with torpedoes.

0430 hours - Moonset. Commenced attack.

0448 hours - In position 35°45'N, 11°11'E fired three torpedoes from 2000 yards. One hit was obtained amidships. The ship blew up in a sheet of flame as though carying petrol.

23 Sep 1942
P 46 (Lt. J.S. Stevens, DSC, RN) ended her 5th war patrol (4th in the Mediterranean) at Malta.

1 Oct 1942
P 46 (Lt. J.S. Stevens, DSC, RN) departed Malta for her 6th war patrol (5th in the Mediterranean). She was ordered to patrol in the Tyrrhenian Sea.

3 Oct 1942
HMS P 46 (Lt. J.S. Stevens, DSC, RN) attacked but missed the Italian merchant Torquato Gennari (1012 GRT, built 1890) with two torpedoes north-north-west of Cape Gallo, Sicily.

(All times are zone -2)
0915 hours - Sighted a small 800 tons merchant vessel in position 38°22'N, 13°15'E. Started attack.

0947 hours - In position 38°21'N, 13°14'E fired two torpedoes from 700 yards. Both missed. It is thought the enemy had sighted the tracks and was able to evade the torpedoes as he turned to starboard.

9 Oct 1942
At 0210 hours (zone -2), HMS P 46 (Lt. J.S. Stevens, DSC, RN), bombarded a southbound train near position 39°04'N, 16°05'30"E.

11 Oct 1942
HMS P 46 (Lt. J.S. Stevens, DSC, RN) torpedoed and sank the Italian merchant Una (1395 GRT, built 1904) near Capri Island.

(All times are zone -2)
0810 hours - Sighted masts and funnel of a ship on a southerly course to the northward of Bocca Piccola. Decided to proceed to the west of Capri to intercept her.

0840 hours - Started attack.

0904 hours - In position 40°29'N, 14°15'E fired three torpedoes from 4000 yards. All missed ahead.

0909 hours - The enemy altered course to port, presumably to return to harbour.

0913 hours - Heard three explosions at the end of run of the torpedoes.

0921 hours - Started a second attack, we had one torpedo left in the tubes.

0932 hours - In position 40°30'N, 14°15E fired one torpedo from 1400 yards. The torpedo hit just forward of the funnel. The ship was seen to burst into flames. P 46 meanwhile went deep and retired to the southwest as aircraft were seen to approach.

1035 hours - Returned to periscope depth. The target was not sighted but a trawler type vessel was seen to be stopped in the attack area, presumably picking up survivors. A Cant aircraft was seen searching the area.

13 Oct 1942
HMS P 46 (Lt. J.S. Stevens, DSC, RN) torpedoed and sank the Italian merchant Loreto (1055 GRT, built 1912) off Cape Gallo, Sicily, Italy in position 38°14'N, 13°14'E. 130 Indian POW's aboard were lost from a total of 400.

(All times are zone -2)
1640 hours - Sighted masts and funnels of an eastbound ship keeping close inshore.

1720 hours - Started attack. The target was a merchant vessel of 1500 tons. A gun was seen aft and she was in ballast.

1733 hours - In position 38°14'N, 13°14'E fired three torpedoes from 1150 yards. Two hits were obtained.

1745 hours - The ship was seen to sink by the stern.

16 Oct 1942
P 46 (Lt. J.S. Stevens, DSC, RN) ended her 6th war patrol (5th in the Mediterranean) at Malta.

31 Oct 1942
P 46 (Lt. J.S. Stevens, DSC, RN) was docked at Malta.

1 Nov 1942
P 46 (Lt. J.S. Stevens, DSC, RN) was undocked.

2 Nov 1942
P 46 (Lt. J.S. Stevens, DSC, RN) departed Malta for her 7th war patrol (6th in the Mediterranean). She was ordered to patrol to the North of Sicily to provide cover during the Allied landings in North Africa (Operation Torch). She departed Malta together with HMS P 35 (Lt. S.L.C. Maydon, RN) and HMS P 44 (Lt. T.E. Barlow, RN). They were escorted out by HMS Speedy (Lt. J.G. Brookes, DSC, RN).

6 Nov 1942
HMS P 46 (Lt. J.S. Stevens, DSC, RN) attacked an Italian submarine with four torpedoes north of Cape San Vito, Sicily. All torpedoes missed.

(All times are zone -1)
0658 hours - Sighted a south-west bound submarine. Started attack.

0708 hours - In position 38°16'N, 12°43'E fired four torpedoes from 3000 yards at a submarine which was though to be Italian. No hits were obtained.

7 Nov 1942
HMS P 46 (Lt. J.S. Stevens, DSC, RN) torpedoed and damaged the Italian light cruiser Attilio Regolo off Cape San Vito, Sicily in position 38°14'N, 12°43'E. The cruiser lost it's bow nearly up to it's bridge. Lt. Stevens could not finish off the ship since he ran out of torpedoes. The damaged cruiser was towed to port by the tug Polifemo escorted by the torpedo boats Cigno, Lince and Giuseppe Cesare Abba. Another attack later the same day by the British submarine HMS P 44 failed.

When Attilio Regolo was torpedoed by P 46 she was returning from a milelaying mission off Cape Bon. She was escorted by The Italian destroyers Antonio Pigafetta, Antonio da Noli, Nicolò Zeno, Corraziere, Ascari and Mitragliere. The first four destroyers had also been employed in minelaying.

(All times are zone -1)
0955 hours - Sighted masts and smoke with aircraft overhead to the south-west. This was most likely the cruiser and destroyers we had been warned about.

1000 hours - Sighted the director tower of a cruiser to the south-west.

1005 hours - Commenced to close at full speed for an attack.

1023 hours - In position 38°14'N, 12°43'E fired a full salvo of four torpedoes from a range of 2100 yards but probably less. One torpedo was heard to hit but the result could not be observed as P 46 meanwhile had gone deep to evade the strong escort of destroyers and aircraft.

1035 hours - Depth charging started. 14 single charges were dropped during the next hour but none were close.

1245 hours - Came to periscope depth. Destroyers were seen to be circling near the attack area. Decided to retire to the west.

1428 hours - Surfaced and passed an enemy report.

1445 hours - Dived and set course to return to Malta as all torpedoes had been expended.

11 Nov 1942
P 46 (Lt. J.S. Stevens, DSC, RN) ended her 7th war patrol (6th in the Mediterranean) at Malta.

16 Nov 1942
P 46 (Lt. J.S. Stevens, DSC, RN) departed Malta for her 8th war patrol (7th in the Mediterranean). She was ordered to patrol in the Gulf of Sirte but before proceeding towards that area she was ordered to patrol off Lampion Island to intercept a southbound enemy ship. This ship was however not seen.

22 Nov 1942
HMS P 46 (Lt. J.S. Stevens, DSC, RN) damaged the Italian tug Porto Fossone (89 GRT) with gunfire off Sirte, Libya.

(All times are zone -1)
0145 hours - Sighted a darkened westbound vessel closing from the eastward. This was later identified as a small tug.

0210 hours - In position 31°19'N, 16°38'E opened fire with the 3" gun from 1000 yards. Fired 45 rounds for about 5 hits. The hits appeared to cause only superficial damage as the enemy was able to head towards the shore at 9 knots. The gun action did not go as planned due to difficulties with the gun.

29 Nov 1942
P 46 (Lt. J.S. Stevens, DSC, RN) ended her 8th war patrol (7th in the Mediterranean) at Malta.

10 Dec 1942
P 46 (Lt. J.S. Stevens, DSC, RN) departed Malta for her 9th war patrol (8th in the Mediterranean). She was ordered to patrol north of Tunisia.

14 Dec 1942
HMS P 46 (Lt. J.S. Stevens, DSC, RN) torpedoed and sank the Italian tanker Castelverde (6958 GRT, built 1921) about 30 nautical miles north-north-west of Cape Bon, Tunisia in position 37°29'N, 10°46'E.

Castelverde had been in convoy together with the Italian merchant Honestas (4960 GRT, built 1920). They were escorted by the Italian torpedo boats Ardito and Fortunale.

(All times are zone -1)
0700 hours - A land fix showed that P 46 had been set to the north-east during the night and that we were 10 miles from our patrol position. Closed the Bizerta convoy route and proceeded via it to our patrol position.

1106 hours - Sighted aircraft circling bearing 060°. Thought that this means a convoy approaching. Altered course to intecept.

1300 hours - Sighted the funnel of a merchant vessel. Three aircraft were seen circling overhead.

1315 hours - The convoy was now seen to be made up of two merchant vessels in line ahead. They were escorted by two torpedo boats and were bound for Tunis.

1351 hours - The leading ship was torpedoed by another submarine. The second ship altered towards but soone resumed her original course.

1403 hours - In position 37°29'N, 10°46'E fired three torpedoes at this merchant vessel from 2000 yards. The third torpedo broke surface and ran off to port, possibly a gyro failure. One hit was obtained, the torpedo hit just abaft the funnel. P 46 then went deep and turned stern on the escorts.

1428 hours - A pattern of four depth charges was dropped fairly close. P 46 was now hunted for about half an hour in which 27 depth charges were dropped, several fairly close. They broke a few lamps but caused no other damage.

1533 hours - Returned to periscope depth. Both ships were seen to be stopped. The torpedo boats were close by the targets.

1553 hours - In position 37°30'N, 10°46'E fired one torpedo at 'our' target from 6000 yards. The target was seen to be down by the stern.

1555 hours - An aircraft was seen to drop flares over the torpedo track. Went deep and took avoiding action.

1557 hours - Heard the torpedo hit the target. This was followed by breaking up noises.

1600 hours - A depth charge was dropped. More followed but none were close.

1720 hours - Returned to periscope depth. 'Our' target was not seen but the other ship was seen to be burning fiercely.

1735 hours - Heard a very violent explosion. Only smoke could be seen where the ship had been.

15 Dec 1942
HMS P 46 (Lt. J.S. Stevens, DSC, RN) sank the Italian merchant Sant'Antioco (4994 GRT, built 1919) about 35 nautical miles north-north-west of Cape Bon, Tunisia in position 37°37'N, 10°44'E.

Sant'Antioco was in convoy with the German merchant Brott (1583 GRT, built 1937, former Norwegian, then French, the Brott looked like a tanker). They were escorted by the Italian torpedo boats Orione and Groppo.

(All times are zone -1)
1050 hours - Aircraft circling on the horizon bearing bearing 050°. Altered course to close.

1240 hours - Sighted two merchant vessels approaching on a course for Bizerta. These two ships were later seen to be a 4000 tons merchant vessel and a medium sized tanker (which was a merchant ship that looked like a tanker). They were escorted by two torpedo boats.

1330 hours - In position 37°32'N, 10°39'E fired four torpedoes a the 4000 tons merchant ship. Range was 4000 yards.

1333 hours - Heard two timed torpedo explosions. The result could not be observed as P 46 had gone deep.

1336 hours - A depth charge was dropped. This was followed by a pair of charges and then another single one.

1406 hours - A pattern of 12 depth charges was dropped very close causing some minor damage. The hunt continued until about 1830 hours. By then a total of 62 depth charges were counted.

2008 hours - Surfaced.

17 Dec 1942
HMS P 46 (Lt. J.S. Stevens, DSC, RN) ended her 9th war patrol (8th in the Mediterranean) at Malta.

28 Dec 1942
HMS P 46 (Lt. J.S. Stevens, DSC, RN) departed Malta for her 10th war patrol (9th in the Mediterranean). She was ordered to perform a special operation (pick up Chariot personnel after the attack on Palermo harbour).

3 Jan 1943
At 0350 hours (zone -1), HMS P 46 (Lt. J.S. Stevens, DSC, RN), picked up the crew of two of Chariot no.23 that had been launched by HMS Trooper. They had to abandon their attempt to enter Palermo harbour due to one of them had a leak in his dive suit.

8 Jan 1943
HMS P 46 (Lt. J.S. Stevens, DSC, RN) ended her 10th war patrol (9th in the Mediterranean) at Malta.

11 Jan 1943
HMS P 46 (Lt. J.S. Stevens, DSC, RN) was docked at Malta.

16 Jan 1943
HMS P 46 (Lt. J.S. Stevens, DSC, RN) was undocked.

19 Jan 1943
HMS P 46 (Lt. J.S. Stevens, DSC, RN) departed Malta for her 11th war patrol (10th in the Mediterranean). She was ordered to patrol in the Gulf of Hammamet.

23 Jan 1943
HMS P 46 (Lt. J.S. Stevens, DSC, RN) sank the Italian sailing vessel Amabile Carolina (39 GRT) off Hammamet, Tunisia.

(All times are zone -1)
0915 hours - Sighted masts of a schooner closing from the eastward.

0954 hours - Surfaced in position 36°12'N, 10°37'E and engaged the schooner with gunfire from the 3" gun from a range of 2000 yards. 29 rounds were fired and about 10 hits were obtained. The crew abandoned ship almost immediately and made off for the shore. After about 10 rounds shore batteries opened fire.

1022 hours - Dived when enemy gunfire now came closer.

1048 hours - The schooner only showed signs of minor damage. An attempt to board her after surfacing again at 1026 hours was not possible as shore batteries opened fire again forcing P 46 to dive. So fired one torpedo from 1000 yards. The torpedo hit and the schooner disintegrated into a large cloud of smoke and flames. She was probably carrying petrol.

25 Jan 1943
HMS P 46 (Lt. J.S. Stevens, DSC, RN) torpedoed and sank the small Italian tanker Teodolinda (361 GRT, built 1925) off Hammamet, Tunisia.

(All times are zone -1)
1230 hours - Sighted a small tanker anchored 3 cables to the westward of Hammamet Fort, close inshore. She was seen to be in ballast.

1303 hours - In position 36°23'N, 10°36'E fired one torpedo from 1500 yards. This torpedo was seen to run under. It appeared the attack was not noticed by the enemy.

1325 hours - Fired another torpedo. It hit in the engine room.

26 Jan 1943
HMS P 46 (Lt. J.S. Stevens, DSC, RN) sank the Italian naval auxiliary Z 90 / Redemptory (46 GRT) with gunfire near Hammamet, Tunisia.

(All times are zone -1)
0227 hours - Sighted a darkened vessel to the westward. Closed to investigate.

0322 hours - In position 36°21'N, 10°39'E opened fire with the 3" gun at a vessel which proved to be a heavily laden caique that was westbound. 14 rounds were fired. It is thought 9 hits were obtained. The crew abonded ship at once.

0328 hours - Dived as it was thought another vessel was approaching from the west but no HE could be heard.

0404 hours - Surfaced and closed the caique. Sent over a boarding party of two. The ship was in a sinking condition.

0415 hours - Fired another 5 rounds into the stern from point blank range.

0430 hours - Withdrew to the east.

31 Jan 1943
HMS P 46 (Lt. J.S. Stevens, DSC, RN) torpedoed and sank the German merchant Lisboa (1799 GRT, built 1911) about north of Sousse, Tunisia. Lisboa was escorted by the Italian torpedo boat Cigno.

(All times are zone -1)
1358 hours - Sighted smoke bearing 290°.

1405 hours - Identified the masts of one merchant vessel and one torpedo boat close inshore. They were southbound.

1428 hours - Commenced attack. The torpedo boat was zigzagging on the port bow of the merchant vessel which was about 2000 tons gross.

1502 hours - In position 35°54'N, 10°38'E fired four torpedoes from 6000 yards. One hit was heard after a little over 6 minutes after firing giving a running range of 8200 yards. P 46 had gone deep on firing.

1515 hours - Returned to periscope depth. The merchant vessel was stopped and on fire with the hull invisible. The torpedo boat was proceeding to seaward well clear of P 46. Two minutes later she dropped two depth charges.

1525 hours - Three aircraft were now seen patrolling the area. Went deep again.

1650 hours - Returned to periscope depth. All that could be seen was grey smoke from the merchant vessel.

1725 hours - Dense black smoke was now seen.

1820 hours - Heard a heavy explosion. P 46 meanwhile withdrew to the east.

2 Feb 1943
P 46 (Lt. J.S. Stevens, DSC, RN) ended her 11th war patrol (10th in the Mediterranean) at Malta.

12 Feb 1943
P 46 (Lt. J.S. Stevens, DSC, RN) departed Malta for her 12th war patrol (11th in the Mediterranean). She was ordered to patrol off the Gulf of Hammamet, Tunisia.

18 Feb 1943
HMS Unruffled (Lt. J.S. Stevens, DSC, RN) attacked the Italian schooners L'Angelo Raffaelo (75 GRT) and Micolo lo Porto (80 GRT) with a total of three torpedoes off Nabeul, Tunisia. The crews abandoned both schooners. That night wind increased to gale force and both schooners were wrecked on the beach.

(All times are zone -1)
1335 hours - Sighted masts of two schooners off Neboel. Closed to attack. Observed two large schooners to be anchored close inshore.

1418 hours - Shore batteries opened fire at the periscope. Range to the schooners was 1500 yards. In position 36°25'N, 10°45'E fired one torpedo at the left hand schoner.

1419 hours - Fired one torpedo at the right hand schooner.

Both torpedoes missed their targets. The crews of both schooners abandoned ship as soon as they saw the tracks. Unruffled then withdrew but it was quickly decided to go back and shoot one more torpedo.

1513 hours - Shore batteries again opened fire on the periscope. Fired another torpedo at the right hand schooner. It broke surface and ran off slightly to port and again the torpedo missed.

During the night a wind increased to gale force and this did not look good for the schooners with no crew onboard. The area was examined on the 22th and two new wrecks were seen ashore.

21 Feb 1943
HMS Unruffled (Lt. J.S. Stevens, DSC, RN) torpedoed and sank the German merchant Baalbeck (2115 GRT, built 1923, former French) about 18 nautical miles east-south-east of Cape Bon, Tunisia in position 36°56'N, 11°23'E. She was in convoy together with the German merchant Charles le Borgne (1426 GRT, built 1920, former French). They were escorted by the Italian torpedo boat Groppo and the Italian corvette Gabbiano.

(All times are zone -1
0742 hours - Heard HE to the eastward and sighted a merchant vessel. This soon developed into a convoy of two merchant ships with two torpedo boats on each beam. Several aircraft were patrolling overhead.

0745 hours - Commenced attack.

0814 hours - In position 36°56'N, 11°23'E fired four torpedoes at the northernmost merchant vessel from 4000 yards. Almost 3 minutes after firing a loud explosion was heard followed shortly after a smaller explosion. This was followed by breaking up noises. Almost 5 minutes after firing another loud explosion was heard. Unruffled meanwhile had gone deep.

0842 hours - Depth charging commenced. A pattern of 5 was dropped reasonably close.

0930 hours - Returned to periscope depth. A torpedo boat could be seen which was only just visible. Nothing else was in sight. Unruffled now withdrew to the south.

24 Feb 1943
HMS Unruffled (Lt. J.S. Stevens, DSC, RN) ended her 12th war patrol (11th in the Mediterranean) at Malta.

6 Mar 1943
HMS Unruffled (Lt. J.S. Stevens, DSO, DSC, RN) departed Malta for her 13th war patrol (12th in the Mediterranean). She was ordered to patrol in the Gulf of Hammamet.

16 Mar 1943
HMS Unruffled (Lt. J.S. Stevens, DSO, DSC, RN) sank a pertol lighter with a demolition charge between Nabeul and Korba, Tunisia.

(All times are zone -1)
0730 hours - Sighted a barge bearing 230°. Closed. It was later seen to be a tank lighter.

0945 hours - A party of Arabs boarded the lighter from a small boat and looted it. It was decided to deal with this lighter after dark as she was close inshore.

1930 hours - Surfaced. Set course to the north to find the lighter.

2012 hours - Went alongside the lighter in position 36°30'N, 10°53'E. A boarding party of two was sent over. A demolition charge was placed by them.

2032 hours - The charge exploded and the lighter sank.

19 Mar 1943
HMS Unruffled (Lt. J.S. Stevens, DSO, DSC, RN) ended her 13th war patrol (12th in the Mediterranean) at Malta.

4 Apr 1943
HMS Unruffled (Lt. J.S. Stevens, DSO, DSC, RN) departed Malta for her 14th war patrol (13th in the Mediterranean). She is ordered to perform a special operation (beach reconnaissance for the upcoming Operation Husky).

7 Apr 1943
At 2255 hours ( zone -1), HMS Unruffled (Lt. J.S. Stevens, DSO, DSC, RN), launched a folbot to check out the sea conditions. The folbot returned after 20 minutes as the weather was unsuitable to continue with the operation.

12 Apr 1943
HMS Unruffled (Lt. J.S. Stevens, DSO, DSC, RN) ended her 14th war patrol (13th in the Mediterranean) at Malta.

28 Apr 1943
HMS Unruffled (Lt. J.S. Stevens, DSO, DSC, RN) departed Malta for her 15th war patrol (14th in the Mediterranean). She is ordered to perform a special operation (beach reconnaissance for the upcoming Operation Husky).

8 May 1943
At 2330 hours (zone -1), HMS Unruffled (Lt. J.S. Stevens, DSO, DSC, RN), launched a folbot for beach reconnaissance near Cape Murro di Porco. The operation had been delayed for days due to the severe weather conditions.

9 May 1943
At 0215 hours (zone -1), HMS Unruffled (Lt. J.S. Stevens, DSO, DSC, RN), re-embarked her folbot.

11 May 1943
HMS Unruffled (Lt. J.S. Stevens, DSO, DSC, RN) ended her 15th war patrol (14th in the Mediterranean) at Malta.

25 May 1943
HMS Unruffled (Lt. J.S. Stevens, DSO, DSC, RN) departed Malta for her 16th war patrol (15th in the Mediterranean). She was ordered to patrol to the north of Messina.

3 Jun 1943
HMS Unruffled (Lt. J.S. Stevens, DSO, DSC, RN) torpedoed and sank the French tanker (in German service) Henry Desprez (9895 GRT, built 1932) about 70 nautical miles north-east of Messina in position 39°13'N, 16°01'E. She was en-route from Naples to Taranto escorted by the Italian torpedo boat Clio.

(All times are zone -2)
1510 hours - Sighted a southbound vessel and an escorting torpedo boat 5000 yards away. An attack was commenced. The vessel was identified as a medium sized modern type tanker and the escort was identified as a new modern class torpedo boat.

1531 hours - Fired four torpedoes from 1100 yards. Three torpedo hits were heard.

1539 hours - Unruffled was counter-attacked by the escort, with, in all, 15 depth-charges. No damage to the submarine was done. After the attack was over Unruffled withdrew to the west.

8 Jun 1943
HMS Unruffled (Lt. J.S. Stevens, DSO, DSC, RN) ended her 16th war patrol (15th in the Mediterranean) at Malta.

24 Jun 1943
HMS Unruffled (Lt. J.S. Stevens, DSO, DSC, RN) departed Malta for her 17th war patrol (16th in the Mediterranean). She is ordered to perform a special operation (beach reconnaissance for the upcoming Operation Husky).

25 Jun 1943
At 2200 hours (zone -2), HMS Unruffled (Lt. J.S. Stevens, DSO, DSC, RN), launched a folbot for beach reconnaissance. The folbot returned at 0140/26.

26 Jun 1943
At 2200 hours (zone -2), HMS Unruffled (Lt. J.S. Stevens, DSO, DSC, RN), launched a folbot for beach reconnaissance. The folbot returned at 0255/27.

27 Jun 1943
At 2200 hours (zone -2), HMS Unruffled (Lt. J.S. Stevens, DSO, DSC, RN), launched a folbot for beach reconnaissance. The folbot returned at 0230/28.

29 Jun 1943
HMS Unruffled (Lt. J.S. Stevens, DSO, DSC, RN) ended her 17th war patrol (16th in the Mediterranean) at Malta.

6 Jul 1943
HMS Unruffled (Lt. J.S. Stevens, DSO, DSC, RN) departed Malta for her 18th war patrol (17th in the Mediterranean). She was ordered to perform a special operation during operation Husky. She was to lay three buoys and launch two folbots to act as marking positions near Cape Murro di Porco for the Husky landings (invasion of Sicily).

8 Jul 1943
HMS Unruffled (Lt. J.S. Stevens, DSO, DSC, RN) laid three buoys near Cape Murro di Porco, Sicily.

(All times are zone -2)
2150 hours - Laid one type FH 830 in position 232°, Cape Murro di Porco, 5.75 nautical miles.

2220 hours - Laid a second type FH 830 in position 232°, Cape Murro di Porco, 7.75 nautical miles.

2315 hours - Laid a third type FH 830 in position 229°, Cape Murro di Porco, 9.7 nautical miles.

9 Jul 1943
HMS Unruffled (Lt. J.S. Stevens, DSO, DSC, RN) launched two folbots near Cape Murro di Porco, Sicily.

(All times are zone -2)
2145 hours - Launched a folbot for 'George sector' manned by a crew of two.

2220 hours - Launched a folbot for 'Jig sector' also manned by a crew of two.

2305 hours - In position 183 degrees, Cape Murro di Porco lighthouse, 6 nautical miles and started transmitting. The convoy was sighted coming in at 0001/10.

0040/10 - Stopped transmitting.

0650/10 - Proceeded southwards. HMS Unseen was now in company. They were joined by a trawler for onward escort to Malta at 0730/10.

10 Jul 1943
HMS Unruffled (Lt. J.S. Stevens, DSO, DSC, RN) ended her 18th war patrol (17th in the Mediterranean) at Malta.

27 Jul 1943
HMS Unruffled (Lt. J.S. Stevens, DSO, DSC, RN) departed Malta for her 19th war patrol (18th in the Mediterranean). She was ordered to patrol in the Gulf of Taranta. Later she was ordered to patrol off Brindisi.

1 Aug 1943
HMS Unruffled (Lt. J.S. Stevens, DSO, DSC, RN) attackes the Italian merchant Citta di Catania (3355 GRT, built 1910) with one torpedo north-east of Brindisi, Italy. The torpedo missed its target.

(All times are zone -2)
0622 hours - Sighted a large vessel outward bound on a course of 050°. Range was 8000 yards. This proved to be a three-funneled transport, unescorted, speed 3 knots. Started attack.

0639 hours - In position 40°46'N, 18°07'E fired one torpedo from 2500 yards. It missed, presumably due to the enemy yawing.

3 Aug 1943
HMS Unruffled (Lt. J.S. Stevens, DSO, DSC, RN) torpedoed and sank the Italian merchant Citta di Catania (3355 GRT, built 1910) north-east of Brindisi in position 40°44'N, 18°05'E.

(All times are zone -2)
1035 hours - A large vessel loomed out of the mist, bearing 040°, range 8000 yards. This turned out to be the same three-funnelled transport that we attacked on 1st August. Commenced attack.

1054 hours - In position 40°44'N, 18°05'E fired a salvo of four torpedoes from 1000 yards. Three hits were heard.

1056 hours - Almost the whole of the enemy ship were obscured by dense smoke and flame. She was settling by the stern.

1057 hours - The ship sank stern first. About 100 survivors were seen in the water. Went deep and withdrew to the north-north-east.

10 Aug 1943
HMS Unruffled (Lt. J.S. Stevens, DSO, DSC, RN) ended her 19th war patrol (18th in the Mediterranean) at Malta.

22 Aug 1943
HMS Unruffled (Lt. J.S. Stevens, DSO, DSC, RN) departed Malta for her 20th war patrol (19th in the Mediterranean). She was ordered to perform a special operation and to patrol off Brindisi.

27 Aug 1943
HMS Unruffled (Lt. J.S. Stevens, DSO, DSC, RN) torpedoed and sank the Italian merchant Citta di Spezia (2474 GRT, built 1929) about 40 nautical miles, 103° of Brindisi, Italy in position 40°36'N, 18°37'E.

(All times are zone -2)
0935 hours - Sighted a Cant aircraft circling to the northward.

0955 hours - Sighted the masts of a merchant vessel. Commenced attack. The target was seen to be a medium sized merchant vessel of modern design. There was passenger accomodation amidships. No surface escort was seen.

1038 hours - In position 40.36'N, 18.37'E fired a salvo of four ships from 4300 yards. Three hits were observed. The vessel listed sharply to starboard and settled by the stern. Unruffled now went deep and retired from the area.

5 Sep 1943
HMS Unruffled (Lt. J.S. Stevens, DSO, DSC, RN) ended her 20th war patrol (19th in the Mediterranean) at Malta.

26 Sep 1943
HMS Unruffled (Lt. J.S. Stevens, DSO and Bar, DSC, RN) departed Malta for her 21th war patrol (20th in the Mediterranean). She was ordered to patrol off Corsica and the Gulf of Genoa.

Passage throught the Sicilian war channel was made together with HMS Unshaken (Lt. J. Whitton, RN). They were escorted by HMS BYMS 2028 (Skr. J.R. Clark, RNR).

3 Oct 1943
HMS Unruffled (Lt.Cdr. J.S. Stevens, DSO and Bar, DSC, RN) attacked a merchant vessel with torpedo(es) north-east of Bastia, Corsica, France. The target was not hit.

Following the attack she was hunted by German motor minesweeper R 212 with torpedo(es) north-east of Bastia, Corsica, France.

(All times are zone -1)
0555 hours - Sighted a westbound merchant vessel to the southward. Closed to attack. The target was a three-island tramp of about 2000-3000 tons. She was in ballast.

0619 hours - In position 42°44'N, 09°32'E fired a salvo of four torpedoes from 4500 yards. No hits were obtained. A MAS boat was seen hunting in the area after the attack. She dropped eight depth charges but these were not close at all.

5 Oct 1943
HMS Unruffled (Lt.Cdr. J.S. Stevens, DSO and Bar, DSC, RN) attacked a merchant vessel in a convoy with four torpedoes to the south-west of Sestri Levante, Italy. No hits were obtained.

(All times are zone -1)
0729 hours - Sighted a northbound merchant vessel flying two barrage balloons coast crawling to the south-east. Closed to attack. The vessel was soon seen to be part of a convoy of three merchant vessel escorted by three UJ-boats. The target was a low built vessel of about 5000 tons with a vertical squat funnel and a cruiser stern. One small tramp was inshore of her and one vessel of medium size with no funnel was astern of her. The escorts were disposed one ahead and one on either beam of the rear ship.

0810 hours - In position 44°13'N, 09°18'E fired a salvo of four torpedoes from a range of 3500 yards. No hits were heard. Also no counter attack developed.

9 Oct 1943
HMS Unruffled (Lt. J.S. Stevens, DSO and Bar, DSC, RN) ended her 21th war patrol (20th in the Mediterranean) at Algiers.

17 Oct 1943
HMS Unruffled (Lt.Cdr. J.S. Stevens, DSO and Bar, DSC, RN) departed Algiers for Gibraltar.

21 Oct 1943
HMS Unruffled (Lt.Cdr. J.S. Stevens, DSO and Bar, DSC, RN) arrived at Gibraltar.

4 Nov 1943
HMS Unruffled (Lt.Cdr. J.S. Stevens, DSO and Bar, DSC, RN) departed Gibraltar for the U.K.

15 Nov 1943
HMS Unruffled (Lt.Cdr. J.S. Stevens, DSO and Bar, DSC, RN) arrived at Falmouth.

16 Nov 1943
HMS Unruffled (Lt.Cdr. J.S. Stevens, DSO and Bar, DSC, RN) departed Falmouth for Portsmouth. She was escorted by the French submarine chaser Chasseur 13. They spent the night of 16/17 November at Dartmouth and the night of 17/18 November at Yarmouth.

18 Nov 1943
HMS Unruffled (Lt.Cdr. J.S. Stevens, DSO and Bar, DSC, RN) arrived at Portsmouth.

28 Nov 1943
HMS Unruffled (Lt.Cdr. J.S. Stevens, DSO and Bar, DSC, RN) departed Portsmouth for Sheerness. She made the passage in convoy CE 225.

29 Nov 1943
HMS Unruffled (Lt.Cdr. J.S. Stevens, DSO and Bar, DSC, RN) arrived at Sheerness.

30 Nov 1943
HMS Unruffled (Lt.Cdr. J.S. Stevens, DSO and Bar, DSC, RN) shifted from Sheerness to Tilbury where she was to refit.

3 Dec 1943
HMS Unruffled (Lt.Cdr. J.S. Stevens, DSO and Bar, DSC, RN) was taken in hand for refit at Tilbury.

7 May 1944
With her refit completed, HMS Unruffled (Lt. R.F. Park, RN), shifted from Tilbury to Sheerness.

8 May 1944
HMS Unruffled (Lt. R.F. Park, RN) shifted from Sheerness to the Chatham Dockyard.

9 May 1944
HMS Unruffled (Lt. R.F. Park, RN) shifted from the Chatham Dockyard to Sheerness. Later the same day she departed Sheerness for Portland.

10 May 1944
HMS Unruffled (Lt. R.F. Park, RN) arrived at Portland.

11 May 1944
HMS Unruffled (Lt. R.F. Park, RN) shifted from Portland to Plymouth.

13 May 1944
HMS Unruffled (Lt. R.F. Park, RN) conducted exercises off Plymouth.

14 May 1944
HMS Unruffled (Lt. R.F. Park, RN) conducted exercises off Plymouth.

15 May 1944
HMS Unruffled (Lt. R.F. Park, RN) conducted exercises off Plymouth.

16 May 1944
HMS Unruffled (Lt. R.F. Park, RN) conducted exercises off Plymouth.

17 May 1944
HMS Unruffled (Lt. R.F. Park, RN) conducted exercises off Plymouth.

18 May 1944
HMS Unruffled (Lt. R.F. Park, RN) conducted exercises off Plymouth.

19 May 1944
HMS Unruffled (Lt. R.F. Park, RN) conducted exercises off Plymouth.

23 May 1944
HMS Unruffled (Lt. R.F. Park, RN) conducted exercises off Plymouth.

25 May 1944
HMS Unruffled (Lt. R.F. Park, RN) conducted exercises off Plymouth.

26 May 1944
HMS Unruffled (Lt. R.F. Park, RN) conducted exercises off Plymouth.

29 May 1944
HMS Unruffled (Lt. R.F. Park, RN) conducted exercises off Plymouth.

30 May 1944
HMS Unruffled (Lt. R.F. Park, RN) conducted exercises off Plymouth.

1 Jun 1944
HMS Unruffled (Lt. R.F. Park, RN) departed Plymouth for Rothesay.

3 Jun 1944
HMS Unruffled (Lt. R.F. Park, RN) arrived at Rothesay. She was now assigned to training duties.

29 Jun 1944
HMS Unruffled (Lt. R.F. Park, RN) departed Rothesay together with HMS Unseen (T/Lt. T.D. Wood, DSC, RNVR) for St. John's, Newfoundland. They were escorted until 2340/30 by HMS Milford (Lt.Cdr. G.G. Slade, RN).

9 Jul 1944
HMS Unruffled (Lt. R.F. Park, RN) arrived at St. John's, Newfoundland.

11 Jul 1944
HMS Unruffled (Lt. R.F. Park, RN) departed St. John's for Halifax.

14 Jul 1944
HMS Unruffled (Lt. R.F. Park, RN) arrived at Halifax.

22 Jul 1944
HMS Unruffled (Lt. R.F. Park, RN) departed Halifax for Bermuda.

26 Jul 1944
HMS Unruffled (Lt. R.F. Park, RN) arrived at Bermuda where she was assigned to training duties.

11 Oct 1944
HMS Unruffled (Lt. R.F. Park, RN) was docked at Bermuda.

18 Oct 1944
HMS Unruffled (Lt. R.F. Park, RN) was undocked.

5 Jan 1945
From 5 to 16 January 1945, HMS Unruffled (T/Lt. A.H. MacCoy, DSC, SANF(V)), was in the dockyard at Bermuda for repairs to the starboard generator and the fitting of a dummy schnorkel.

5 Jun 1945
HMS Unruffled (T/Lt. A.H. MacCoy, DSC, SANF(V)) was docked at Bermuda.

11 Jun 1945
HMS Unruffled (T/Lt. A.H. MacCoy, DSC, SANF(V)) was undocked.

27 Jun 1945
HMS Unruffled (T/Lt. A.H. MacCoy, DSC, SANF(V)) departed Bermuda for New London, Connecticut, USA.

30 Jun 1945
HMS Unruffled (T/Lt. A.H. MacCoy, DSC, SANF(V)) arrived at New London, Connecticut, USA from Bermuda.

22 Jul 1945
HMS Unruffled (T/Lt. A.H. MacCoy, DSC, SANF(V)) departed New London, Connecticut, USA for Digby, Canada.

24 Jul 1945
HMS Unruffled (T/Lt. A.H. MacCoy, DSC, SANF(V)) arrived at Digby, Canada from New London, Connecticut, USA. Later she proceeded to Bermuda.

9 Sep 1945
HMS Unruffled (T/Lt. A.H. MacCoy, DSC, SANF(V)) departed Bermuda for Rothesay. (1)

22 Sep 1945
HMS Unruffled (T/Lt. A.H. MacCoy, DSC, SANF(V)) arrived at Rothesay. In early October she proceeded to Londonderry. (1)

18 Oct 1945
HMS Unruffled (T/Lt. A.H. MacCoy, DSC, SANF(V)) was paid off into reserve at Lisahally. (1)

Sources

  1. ADM 199/2573

ADM numbers indicate documents at the British National Archives at Kew, London.


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