She made six voyages for the British East India Company between 1787 and 1800, She was then sold and spent a handful of years as a West Indiaman.
[2] 2nd EIC voyage (1788–1790): Captain Justinian Nutt sailed from the Downs on 30 November 1788, bound for Bombay and China.
Homeward bound, she crossed the Second Bar on 19 January 1790, reached St Helena on 15 April, and arrived back in the Downs on 20 June.
Homeward bound, she crossed the Second Bar on 1 January 1793, reached St Helena on 27 March, and arrived back in the Downs on 16 June.
[2] The EIC inspected the East Indiamen as they arrived and on 15 October fined Nutt and eight other captains £100 each for having not stowed their cargoes in conformance with the company's orders.
Homeward bound, she was at Saugor on 19 March 1795, stopped at Madras on 13 April, reached St Helena on 14 August, and arrived at the Downs on 25 November.
She left the Cape on 26 August, reached St Helena on 11 September, and arrived back in the Downs on 13 December.
A midshipman from Thetis, with two sailors, rowed back and forth between the wreck and the larger boats that were standing off, and kept up his shuttle service until all the men still on board were rescued.