|HMS Unruffled (P46)|
HMS Unruffled returning to harbour in Malta after a patrol in the Mediterranean
|Builder:||Vickers Armstrong, Barrow-in-Furness|
|Laid down:||25 February 1941|
|Launched:||19 December 1941|
|Commissioned:||9 April 1942|
|Fate:||scrapped January 1946|
|Class & type:||U-class submarine|
Surfaced - 540 tons standard, 630 tons full load
Submerged - 730 tons
|Length:||58.22 m (191 ft)|
|Beam:||4.90 m (16 ft 1 in)|
|Draught:||4.62 m (15 ft 2 in)|
2 shaft diesel-electric
11.25 knots (20.8 km/h) max surfaced
10 knots (19 km/h) max submerged
4 bow internal 21-inch (533 mm) torpedo tubes - 8 - 10 torpedoes
1 - 3-inch (76 mm) gun
Unruffled spent most of her eventful wartime career in the Mediterranean, where she sank the Vichy-French merchant Liberia (the former Greek Cape Corso), the Italian auxiliary minesweeper N 10 / Aquila, the Italian merchants Leonardo Palomba, Una, Sant'Antioco, Citta di Catania, and Città di Spezia, the Italian tankers Castelverde and Teodolinda, the Italian sailing vessel Amabile Carolina, the Italian naval auxiliary Z 90 / Redentore, the German merchants Lisboa, Pommern and Baalbeck and the French tanker Henri Desprez. Unruffled also torpedoed and sank the Italian merchant Loreto. She was carrying prisoners of war, 130 of whom were lost.
She also launched failed attacks on the Italian submarine Antonio Sciesa and the small German minesweeper R 212, but her most important target was the Italian light cruiser Attilio Regolo, which was torpedoed by Unruffled on 7 November 1942. 60 feet of bow were blown off, but Unruffled could not sink the cruiser, having by now run out of torpedoes. The damaged cruiser was towed to port by the tug Polifemo, escorted by the torpedo boats Cigno, Lince and Abba. Another attack by HMS United failed, but the Attilio Regolo was out of action for the rest of the war.
In addition to these actions, Unruffled took part in operations Harpoon and Vigorous. Unruffled also acted as recovery vessel for Operation Principal, a chariot attack on Palermo harbour on 3 January 1943.
Unruffled survived the war and was scrapped at Troon in January 1946.
- "HMS Unruffled (P 46)". uboat.net. http://uboat.net/allies/warships/ship/3554.html.
- "Universal to Untamed". British submarines of World War II. Archived from the original on 2007-04-29. http://web.archive.org/web/20070429122150/http://home.cogeco.ca/~gchalcraft/sm/page28.html.
- Colledge, J. J.; Warlow, Ben (2006) . Ships of the Royal Navy: The Complete Record of all Fighting Ships of the Royal Navy (Rev. ed.). London: Chatham Publishing. ISBN 978-1-86176-281-8. OCLC 67375475.
- Hutchinson, Robert (2001). Jane's Submarines: War Beneath the Waves from 1776 to the Present Day. London: HarperCollins. ISBN 978-0-00-710558-8. OCLC 53783010.
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