In 1941 she made one voyage to West Africa visiting Lagos and Port Harcourt as well as crossing the Atlantic twice, visiting Halifax, Nova Scotia and New York City.
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On 23 February 1945, Corvus departed Garston near Liverpool bound for Plymouth with a cargo of 1,800 tons of coal, with Alexander Wallace as captain, carrying a crew of 22 plus a DEMS gun crew of three British Royal Navy gunners.