Captain John Hay sailed from London on 8 February 1788, bound for the Gold Coast.

Boyne started gathering slaves at Cape Coast Castle on 21 June.

[2] Boyne appears in Lloyd's Register in 1789 with J. Hays, master, changing to G. Greaves, and owner A. Willcock.

[1] Captain George Greaves sailed from Liverpool on 16 December 1789, bound for the Gold Coast.

Boyne gathered slaves at Cape Coast Castle and left Africa 3 February 1791.

Boyne left Grenada on 16 July and arrived back at Liverpool on 22 August.