From 1792 on she made two full voyages as a Liverpool-based slave ship in the triangular trade in enslaved people.

Old Dick first appeared in Lloyd's Register (LR) in 1792 with Threlfall, master, J.Gregson, owner, and trade Liverpool–Africa.

[1] 1st voyage transporting enslaved people (1792–1793): Captain Joseph Threlfall sailed from Liverpool on 17 July 1792, bound for West Africa.

[4] Old Dick started acquiring captives in Africa on 16 September and departed for Grenada on 11 January 1793.

Dolben's Act apparently resulted in some reduction in the numbers of captives carried per vessel, and possibly in mortality, though the evidence is ambiguous.

[3] 2nd voyage transporting enslaved people (1794–1795): With the onset of war with France, Captain James Bird acquired a letter of marque on 14 May 1794.

[11] Old Dick acquired captives at Bonny, or possibly Annamaboe She delivered 340 to Kingston on 2 April 1796.