The slave ship Belisário left the African coast carrying enslaved Africans toward Uruguay. About 372 people had been taken aboard.

Vessel: Belisário; flag: Portugal / Brazil; rig: Bergantim. People recorded in connection with the voyage: Captain: Ouro, Domingos Crista do. The voyage began at Lisbon on 6 April 1803. Principal recorded place where captives were acquired: Mozambique (East Africa and Indian Ocean islands). Principal recorded disembarkation place: Montevideo. Estimated mortality during the crossing: 27.0%. Recorded outcome: Returned direct to Africa after bringing enslaved people to the Americas.