The slave ship Aimable de Rais left the African coast carrying enslaved Africans toward Haiti. About 481 people had been taken aboard.

Vessel: Aimable de Rais; flag: France; estimated standardized tonnage: 305.3. People recorded in connection with the voyage: Investor: Michel; Investor: Grou; Captain: Boucard, François. The voyage began at Nantes on 30 October 1749. Principal recorded place where captives were acquired: Whydah, Ouidah (Bight of Benin). Principal recorded disembarkation place: Léogane. Recorded duration of the captives' Atlantic crossing: 203 days. Estimated mortality during the crossing: 43.0%. Recorded outcome: Voyage completed as intended.