The slave ship Duc de Duras left the African coast carrying enslaved Africans toward Haiti. About 491 people had been taken aboard.

Vessel: Duc de Duras; flag: France; estimated standardized tonnage: 250. People recorded in connection with the voyage: Investor: La Villeboisnet, Épivent de; Captain: Mourand, Jean. The voyage began at Nantes on 4 October 1774. Principal recorded place where captives were acquired: Loango (West Central Africa and St Helena). Principal recorded disembarkation place: Saint-Marc. Recorded duration of the captives' Atlantic crossing: 42 days. Estimated mortality during the crossing: 1.0%. Recorded outcome: Voyage completed as intended.