SS Tregarthen

Coordinates: 46°17′N 36°20′W / 46.283°N 36.333°W / 46.283; -36.333
Source: Wikipedia, the free encyclopedia.

History
United Kingdom
NameTregarthen
OwnerHain Steam Ship Co
Port of registryLondon
BuilderLithgows, Port Glasgow
Yard number884
Launched30 July 1936
CompletedSeptember 1936
Identification
FateSunk by torpedo, 6 June 1941
General characteristics
TypeCargo ship
Tonnage5,201 GRT, 3,067 NRT
Length432.3 ft (131.8 m)
Beam56.2 ft (17.1 m)
Draught24 ft 9 in (7.54 m)
Depth24.8 ft (7.6 m)
Decks1
Installed power469 NHP
Propulsion
Speed11 knots (20 km/h)
Crew42 + 3 DEMS gunners
Sensors and
processing systems
wireless direction finding
Notessister ship: Trewellard

SS Tregarthen was a cargo steamship that was built in Scotland for the Hain Steam Ship Co in 1936. She was sunk with all hands by a U-boat in 1941 in the Battle of the Atlantic.

She was the third ship to be called Tregarthen in the Hain SS Co fleet. The first was a steamship that was launched in 1904, sold in 1911 and renamed.[1] The second was a steamship that was launched in 1913, sold in 1933 and renamed.[2]

Building

In 1936 Lithgows built a pair of steamships in its Port Glasgow shipyard for the Hain SS Co. Trewellard was launched on 16 June 1936 and completed that July.[3] Her sister ship Tregarthen was launched on 30 July and completed that September.[4]

Tregarthen's registered length was 432.3 ft (131.8 m), her beam was 56.2 ft (17.1 m) and her depth was 24.8 ft (7.6 m). Her tonnages were 5,201 GRT and 3,067 NRT.[5]

Tregarthen had a single screw. David Rowan and Co of Glasgow built her engines. Her main propulsion was a three-cylinder triple expansion steam engine. Exhaust steam from its low-pressure cylinder drove a low-pressure steam turbine, which in turn drove a steam compressor. Her turbine drove the same propeller as her piston engine. Between them the two engines were rated at 469 NHP[5] and gave Tregarthen a speed of 11 knots (20 km/h).[6]

Second World War service

In the

Canadian-occupied Iceland.[10]

Tregarthen made each of her eastbound Atlantic crossings with the protection of an HX convoy from Halifax, Nova Scotia to Britain.[7] In September 1940 she was Rear Admiral HH Rogers' commodore ship in Convoy HX 72, which lost 11 ships to a U-boat wolf pack attack.[11]

Tregarthen began most of her westbound Atlantic crossings with the protection of an OB (Outward Bound) convoy.[7] In March 1941 she took part on Convoy OB 293, whose escorts sank two U-boats including U-47.[12]

Loss

On 24 May 1941 Tregarthen left Cardiff carrying 7,800 tons of coal bound for Kingston, Jamaica.[13] Off Milford Haven she joined Convoy OB 327, which took her out into the Atlantic and dispersed on 1 June.[14]

At 2325 hrs on 6 June Tregarthen was in mid-Atlantic when two torpedoes fired by U-48 hit her in the stern. She capsized and sank within three minutes, killing all 42 of her crew and her three DEMS gunners.[13]

See also

SS Tregenna

References

  1. ^ "Tregarthen (1904)". Tyne Built Ships. Shipping and Shipbuilding Research Trust. Retrieved 9 April 2021.
  2. ^ "Tregarthen (1913)". Tyne Built Ships. Shipping and Shipbuilding Research Trust. Retrieved 9 April 2021.
  3. ^ "Trewellard". Scottish Built Ships. Caledonian Maritime Research Trust. Retrieved 9 April 2021.
  4. ^ "Tregarthen (1936)". Scottish Built Ships. Caledonian Maritime Research Trust. Retrieved 9 April 2021.
  5. ^ a b "Steamers & Motorships". Lloyd's Register of Shipping (PDF). Vol. I. London: Lloyd's Register of Shipping. 1937. Retrieved 9 April 2021 – via Southampton City Council.
  6. ^ Allen, Tony; Vleggeert, Nico (30 July 2013). "SS Tregarthen (+1941)". Wrecksite. Retrieved 9 April 2021.
  7. ^ a b c Hague, Arnold. "Ship Movements". Port Arrivals/ Departures. Don Kindell, Convoyweb. Retrieved 9 April 2021.
  8. ^ Hague, Arnold. "Convoy OA.115G". OA Convoy Series. Don Kindell, Convoyweb. Retrieved 9 April 2021.
  9. ^ Hague, Arnold. "Convoy SL.30". SL / MKS Convoy Series. Don Kindell, Convoyweb. Retrieved 9 April 2021.
  10. ^ Hague, Arnold. "Convoy HX.59". HX Convoy Series. Don Kindell, Convoyweb. Retrieved 9 April 2021.
  11. ^ Hague, Arnold. "Convoy HX.72". HX Convoy Series. Don Kindell, Convoyweb. Retrieved 9 April 2021.
  12. ^ Hague, Arnold. "Convoy OB.293". OB Convoy Series. Don Kindell, Convoyweb. Retrieved 9 April 2021.
  13. ^ a b Helgason, Guðmundur. "Tregarthen". uboat.net. Retrieved 9 April 2021.
  14. ^ Hague, Arnold. "Convoy OB.327". OB Convoy Series. Don Kindell, Convoyweb. Retrieved 9 April 2021.

46°17′N 36°20′W / 46.283°N 36.333°W / 46.283; -36.333