She made six complete voyages as a slave ship in the triangular trade in enslaved people.

On her first and second voyages she sailed under an asiento, that permitted her owners to bring and sell captives in Spanish territories.

2nd voyage transporting enslaved people (1787): Captain Thomas Molyneux sailed from Liverpool on 2 May 1787.

[8] 4th voyage transporting enslaved people (1789–1790): Captain Charles Walker Jones, sailed from Liverpool on 14 July 1789.

Young Hero started acquiring captives on 16 September at Cape Coast Castle.

[9][d] 5th voyage transporting enslaved people (1790–1792): Captain John Ainsworth sailed from Liverpool on 17 August 1790.

Young Hero started acquiring captives on 14 November, first an Anomabu, and then at Cape Coast Castle.

[11] 6th voyage transporting enslaved people (1792–1793): Captain William Martin sailed from Liverpool on 22 March 1792.

[12] 7th voyage transporting enslaved people (1793–1794): Captain M. Worthington sailed in May 1794, possibly from London.