She made one voyage for the British East India Company (EIC) to New South Wales and China.

Sylph shifted her registration to London and entered Lloyd's Register (LR) in 1792 with A.

[4] Captain John White acquired a letter of marque 14 June 1796.

[5] Sylph arrived at Port Jackson from England with merchandise on 12 November.

[6] Lloyd's List reported on 20 March 1798 that Sylph was homeward bound from China when she parted from the convoy to the west of Cape Clear.