The slave ship Duchesse de Duras left the African coast carrying enslaved Africans toward Haiti. About 485 people had been taken aboard.

Vessel: Duchesse de Duras; flag: France; estimated standardized tonnage: 275.3. People recorded in connection with the voyage: Investor: Deridelière Le Roux; Captain: Thibault, Guillaume. The voyage began at Nantes on 2 July 1771. Principal recorded place where captives were acquired: Loango (West Central Africa and St Helena). Principal recorded disembarkation place: Léogane. Recorded duration of the captives' Atlantic crossing: 75 days. Estimated mortality during the crossing: 1.0%. Recorded outcome: Voyage completed as intended.