SS Patroclus (1923)

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History
United Kingdom
NamePatroclus
Namesake Patroclus
Owner China Mutual SN Co
Operator
Port of registry Civil Ensign of the United Kingdom.svg Liverpool (1924–39)
RouteLiverpool – Far East
Builder Scotts Shilbuilding & Eng Co
Yard number518
Launched17 March 1923
Completed11 June 1923
Identification
FateSunk by torpedoes 4 November 1940
General characteristics
Type refrigerated cargo and passenger liner
Tonnage
Length498.8 ft (152.0 m)
Beam62.3 ft (19.0 m)
Depth26.4 ft (8.0 m)
Propulsion2 × steam turbines; twin screws
Speed15.5 kn (28.7 km/h)
Capacity155 first class passengers
Sensors and
processing systems		wireless direction finding (by 1934)
Armament
Notes

SS Patroclus was a UK steam turbine passenger and refrigerated cargo liner launched in 1923. She was the third of five ships to bear the name. [1]

Contents

In the Second World War Patroclus served as an armed merchant cruiser. A U-boat sank her in November 1940 with the loss of 76 of her complement.

Building

Scotts Shipbuilding and Engineering Company built Patroclus at Greenock, Scotland. [2] She was launched on 17 March 1923 and completed on 11 June that year. [3]

Patroclus was the second of a set of four sister ships built for Alfred Holt and Company of Liverpool, who owned Blue Funnel Line and other shipping lines including China Mutual Steam Navigation Company. Her sisters were Sarpedon launched in 1923, and Hector and Antenor launched in 1924. All were named after characters in Homer's Iliad .

Patroclus was 498.8 ft (152.0 m) long, 62.3 ft (19.0 m) beam and had a depth of 26.4 ft (8.0 m). [2] She had a counter stern, slightly raked stem, one funnel and two masts. [4] She had accommodation for first class passengers only. [5] At the request of the UK Government the four ships were built with berths for 155 first class passengers for services to the Far East. Blue Funnel Line did not expect carrying passengers to be profitable. [6]

Patroclus's tonnages were 11,314  GRT and 6,912  NRT. She had two steam turbines driving twin screws via single-reduction gearing, [2] which gave her a service speed of 15 knots (28 km/h). [7] By 1934 she had been fitted with wireless direction finding equipment. [8]

On 12 September 1939 the Admiralty requisitioned Patroclus and had her converted into an armed merchant cruiser, HMS Patroclus. Her primary armament was six BL 6-inch Mk XII naval guns [9] and her secondary armament included two QF 3-inch 20 cwt anti-aircraft guns. [10] Her conversion was completed on 2 January 1940. [11]

In 1940 HMS Patroclus served on the Northern Patrol from January to April, the South Atlantic Station in May and June and the Northern and Western Patrol from July onwards. [11]

Loss

At 2140 hrs on 3 November 1940 German submarine U-99 torpedoed the Elders and Fyffes banana boat Casanare in the Western Approaches west of Bloody Foreland in Ireland. Patroclus and another AMC, HMS Laurentic, responded to Casanare's wireless distress message. When they arrived, U-99 attacked Laurentic but Patroclus concentrated on searching for survivors from Casanare. [11]

U-99 damaged Laurentic and then attacked Patroclus from a range of only 300 metres. U-99 hit Patroclus with torpedoes at 0002 hrs, 0022 hrs and 0044 hrs. Then at 0058 hrs U-99 fired four rounds from her deck gun, two of which hit Patroclus. U-99 then herself came under fire and took evasive action. U-99 hit Patroclus with a fourth torpedo at 0118 hrs, and then withdrew to search for Casanare. At 0239 hrs an RAF Short Sunderland flying boat passed overhead, forcing U-99 to dive. [11]

At 0404 hrs U-99 resurfaced and resumed her attack. At 0453 hrs she fired a torpedo that hit and sank Laurentic. At 0516 hrs U-99 torpedoed Patroclus again, but the impact seemed to have little effect. At 0525 hrs U-99 hit Patroclus with a final torpedo, which broke the ship's back. Her stern capsized and her bow slowly sank. 76 of her complement were lost, including her commander, Captain Gerald Wynter. [11]

HMS Beagle rescued 230 survivors from Patroclus The Royal Navy during the Second World War A1906.jpg
HMS Beagle rescued 230 survivors from Patroclus

The destroyer HMS Hesperus then arrived, drove U-99 away and rescued survivors from Laurentic. The destroyer HMS Beagle rescued 230 survivors from Patroclus. [11]

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References

  1. ↑ Swiggum, Susan; Kohli, Marjorie (17 October 2010). "Blue Funnel Line". TheShipsList. Retrieved 31 October 2020.
  2. 1 2 3 "Steamers & Motorships". Lloyd's Register (PDF). Vol. II. London: Lloyd's Register. 1930. Retrieved 31 October 2020– via Plimsoll Ship Data.
  3. ↑ "Patroclus". Scottish Built Ships. Caledonian Maritime Research Trust. Retrieved 31 October 2020.
  4. ↑ Talbot-Booth 1936, p. 366.
  5. ↑ Talbot-Booth 1936, p. 472.
  6. ↑ "Alfred Holt & Co, Blue Funnel Line, page 14". The Red Duster. The Merchant Navy Association. Archived from the original on 7 April 2008.
  7. ↑ Harnack 1930, p. 331.
  8. ↑ "Steamers & Motorships". Lloyd's Register (PDF). Vol. II. London: Lloyd's Register. 1934. Retrieved 31 October 2020– via Plimsoll Ship Data.
  9. ↑ "BR 6in 45cal BL Mk XII". NavHist. Flixco Pty Limited. Retrieved 31 October 2020.
  10. ↑ "BR 3in 45cal 12pdr 20cwt QF Mk I To IV". NavHist. Flixco Pty Limited. Retrieved 31 October 2020.
  11. 1 2 3 4 5 6 Helgason, Guðmundur. "HMS Patroclus". uboat.net. Retrieved 31 October 2020.

Bibliography

Coordinates: 53°43′N14°41′W / 53.717°N 14.683°W / 53.717; -14.683

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