The slave ship S Francisco Xavier left the African coast carrying enslaved Africans toward Brazil. About 200 people had been taken aboard.

Vessel: S Francisco Xavier; flag: Portugal / Brazil; rig: Curveta; estimated standardized tonnage: 365.3. People recorded in connection with the voyage: Investor: Companhia Geral do Grão Pará e Maranhão; Captain: Tomás, Manoel da Silva. The voyage began at Lisbon on 15 November 1766. Principal recorded place where captives were acquired: Cacheu (Senegambia and offshore Atlantic). Principal recorded disembarkation place: Pará. Estimated mortality during the crossing: 6.0%. Recorded outcome: Voyage completed as intended.