Prins Harald was a cargo ship that was built as Empire Field in 1941 by William Doxford & Sons Ltd, Sunderland for the Ministry of War Transport (MoWT). She was transferred to the Norwegian Government in October 1942 and renamed Prins Harald. She was torpedoed and sunk on 20 November 1942 by with the loss of three of her crew. Description The ship was a cargo ship built in 1941 by William Doxford & Sons Ltd Sunderland, County Durham, United Kingdom. The ship was long, with a beam of . She had a depth of and a draught of . She was assessed at , 5., The ship was propelled by a two-stroke Single Cycle, Single Action diesel engine, which had three cylinders of 23 inches (60 cm) diameter by 91 inches (232 cm) stroke driving a screw propeller. The engine was built by William Doxford & Sons Ltd. It was rated at 516 nhp. History The ship was built by William Doxford & Sons Ltd Sunderland, County Durham United Kingdom. She was launched on 23 September 1941 and completed in January 1942. Built for the MoWT, she was placed under the management of Haldin & Phillips Ltd. The United Kingdom Official Number 169008 and Code Letters BCVL were allocated. Her port of registry was Sunderland. Empire Field departed from Sunderland on 28 January 1942, arriving at the Tyne later that day. She departed on 31 January to join Convoy FN 618, which had departed from Southend, Essex the previous day and arrived at Methil, Fife on 1 February. In ballast, she then joined Convoy EN 41, which departed from Methil on 3 February and arrived at Oban, Argyllshire two days later. She left the convoy at Loch Ewe. She then joined Convoy ON 65, which departed from Liverpool, Lancashire on 8 February. Her destination was New York, United States, where she arrived on 25 February. Empire Field departed from New York on 12 March for Cape Town, South Africa, arriving on 10 April. She departed two days later for Karachi, India, arriving on 2 May. Empire Field departed from Karachi on 6 June for Colombo, Ceylon, arriving on 12 June. She sailed on 24 July for Cape Town, where she arrived on 15 August, departing the same day for Freetown, Sierra Leone. She arrived on 31 August. Carrying tea and general cargo, and 47 bags of mails, Empire Field