The slave ship Heureux departed on a transatlantic slave-trading voyage that would carry enslaved Africans to Haiti.

Vessel: Heureux; flag: France; estimated standardized tonnage: 272.3. People recorded in connection with the voyage: Investor: Grandclos-Meslé, de; Captain: Baudran de Maupertuis, J-B. The voyage began at Saint-Malo on 17 May 1770. Principal recorded place where captives were acquired: Malembo (West Central Africa and St Helena). Principal recorded disembarkation place: Cap Français. Recorded duration of the captives' Atlantic crossing: 65 days. Recorded outcome: Voyage completed as intended.