War service
In the Second World War, Deucalion usually sailed independently. Only a few times did she have the protection of convoys.[7] Early in September 1940 she was in home waters. On 25 September she left Liverpool with Convoy OB 10 and then continued unescorted via Gibraltar, the Suez Canal, Colombo, Penang, Singapore, Manila, Hong Kong, Shanghai and Kobe to Yokohama, where she arrived on 22 November. On 7 December she left Yokohama for home, calling at Kobe, Singapore, Penang, Colombo, Suez and Gibraltar. She reached London on 22 January 1940 and Liverpool on 30 January.[7]
Deucalion's next voyage began from Liverpool on 28 February 1940. She sailed via the Suez Canal, Jeddah, Aden, Penang, Singapore, Hong Kong and Shanghai to Tientsin, where she was in port from 23 to 26 April. She returned home via Singapore, Penang, Colombo, Cape Town and Freetown in Sierra Leone, reaching London on 29 June.[7]
France had capitulated in the Armistice of 22 June 1940, making the English Channel more dangerous for Allied shipping. Deucalion returned from London to Liverpool via the North Sea and around the north of Scotland. She left Southend-on-Sea on 8 July with Convoy FN 217, which took her as far as Methil on the Firth of Forth. From there she continued with Convoy OA 182, which took her to Swansea. She returned unescorted to Liverpool, arriving on 21 July.[7]
Deucalion's next voyage began from Liverpool on 31 July 1940. She vailed via Cape Verde, Cape Town, Penang, Singapore, Hong Kong and Shanghai to Kobe. She left Kobe on 8 October and returned via Cebu, Singapore and Cape Town, reaching Liverpool on 7 December.[7] From 20 to 22 December 1940 there were air raids on Liverpool that came to be called the Christmas Blitz. Deucalion was in Gladstone Dock, where she was damaged on the night of 21–22 December.
Deucalion's next voyage began from Liverpool on 25 January 1941. She sailed via Cape Town, Singapore and Hong Kong to Shanghai, where she was in port from 12 to 14 April. She returned via Manila, Singapore and Cape Town, reaching Liverpool on 11 June 1941.[7]
On 24 June Deucalion left Liverpool for Swansea, where she was prepared to take part in Operation Substance to relieve the Siege of Malta. She left Swansea on 11 July and became one of six merchant ships in Convoy WS 9C, which reached Gibraltar on 20 July. There the six merchant ships became part of Convoy GM 1, which left that day and reached Malta on 24 July, escorted by the Royal Navy's Force H.[7]
Operation Substance was successful but as Deucalion left Malta on 26 August, a coastal artillery battery inexplicably opened fire on her. She was undamaged but minutes later one of her paravanes detonated a mine that damaged some of her plates. Later that day, Savoia-Marchetti aircraft fired at least two torpedoes at her. By skilful manoeuvring, Deucalion evaded each torpedo, one by only 3 ft and another scraped her side. One of the bombers was shot down. Deucalion's crew then sighted the periscope of a submarine, but an Allied destroyer and Short Sunderland arrived, enabling Duecalion to escape. Deucalion reached Gibraltar under escort on 29 August and then continued unescorted to New York, where she was in port from 15 to 27 September. She returned unescorted to Britain, arriving in the Firth of Clyde on 8 October.[7]
Deucalion's next voyage began from the Clyde on 12 November 1941. She sailed via Freetown and Durban to Bombay with Convoy WS 12Z, a large convoy that included several troop ships. From Bombay she continued independently via Batavia, Surabaya and Fremantle to Sydney, where she was in port from 10 March to 10 April. She returned to Britain via Port Chalmers, Bluff and the Panama Canal, reaching the Clyde on 3 July.[7]
Operation Pedestal
In August 1942 Deucalion took part in Convoy MW 12, part of Operation Pedestal to relieve Malta. MW 12 passed Gibraltar on 10 August and came under attack from 11 August. On 12 August five Heinkel He 111 bombers attacked Deucalion. One bomb penetrated her number 5 hold aft, exploded below the waterline and lifted the ship bodily in the water. Number 1 hold forward also flooded but Deucalion kept under way toward Malta. A few hours later, three bombers made a low-level attack but their bombs missed.
An aircraft launched a torpedo at her, hitting her starboard side in number 6 hold aft. The explosion broke her starboard propeller shaft and ignited high-octane spirit that was part of her cargo. A sheet of flame rose twice the height of her masthead, preventing crew members at her stern from reaching their boat stations. Crew members amidships launched life rafts for those crew members who were trapped astern. One badly-injured DEMS gunner had been trapped by a falling raft but two apprentices freed him and lowered him into the water, where one of the apprentices, John Gregson, towed him a distance of about 600 yards to a rescuing destroyer. Despite the severity of the attack, only one member of Deucalion's crew was killed.[6] The destroyer HMS Bramham stood by and rescued survivors. Despite being seriously damaged Deucalion did not immediately sink and was scuttled by Bramham.
