American whaler Hycso departed to sea in 1818

Of Nantucket, master Ammiel Coffin, departed on 13 December 1818 towards the Pacific Ocean and returned on 11 June 1821 with 1.560 barrels sperm.

Source
Catalogue of Nantucket Whalers and their voyages from 1815 to 1870. Hussey&Robinson, Nantucket, 1876.