She was placed under the management of Mungo Campbell & Co Ltd. She was allocated the United Kingdom Official Number 169033.

The Code Letters BFCF were allocated and her port of registry was Sunderland.

[2] Empire Cavalier was a member of a number of convoys during the Second World War.

Convoy ON 166 departed Liverpool on 11 February 1943 and arrived at New York on 3 March.

Empire Cavalier joined the convoy at sea, having departed from Halifax, Nova Scotia.