The slave ship Príncipe Real arrived with enslaved Africans in Brazil. About 424 people had been taken aboard and approximately 319 arrived.

Vessel: Príncipe Real; flag: Portugal / Brazil; rig: Bergantim. People recorded in connection with the voyage: Investor: Ribas, João Rodrigues; Captain: Marta, Inácio Alves. The voyage began at Rio de Janeiro on 28 September 1817. Principal recorded place where captives were acquired: Cabinda (West Central Africa and St Helena). Principal recorded disembarkation place: Rio de Janeiro. Recorded duration of the captives' Atlantic crossing: 48 days. Estimated mortality during the crossing: 25.0%. Recorded outcome: Voyage completed as intended.