The slave ship S Francisco Xavier left the African coast carrying enslaved Africans toward Brazil. About 187 people had been taken aboard.

Vessel: S Francisco Xavier; flag: Portugal / Brazil; rig: Curveta; estimated standardized tonnage: 250. People recorded in connection with the voyage: Investor: Companhia Geral do Grão Pará e Maranhão; Captain: Caldeira, Francisco Jaques. The voyage began at Lisbon on 24 March 1779. Principal recorded place where captives were acquired: Cacheu (Senegambia and offshore Atlantic). Principal recorded disembarkation place: Maranhão. Estimated mortality during the crossing: 9.0%. Recorded outcome: Voyage completed as intended.