The slave ship Duchesse de Duras left the African coast carrying enslaved Africans toward Haiti. About 444 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: Vandandrich. The voyage began at Nantes on 3 January 1770. 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: 54 days. Estimated mortality during the crossing: 16.0%. Recorded outcome: Voyage completed as intended.