She made one voyage under charter to the British East India Company.

Both give her origin as Liverpool, her owner as Mestear, and the date of sailing for Bengal as 21 June 1811.

[5] Captain Thomas Walker sailed from Portsmouth on 21 June 1811, bound for Bengal.

[2] Harleton reached Madeira on 2 July, and sailed from there on 5 July, together with William Pitt, Lord Forbes, and Lady Lushington, and under convoy of HMS Emerald.

In 1823 Harleston, of 537 tons (bm), and built in England, was under the command of D. Proudfoot.