The slave ship Patrocínio departed on a transatlantic slave-trading voyage that would carry enslaved Africans to Brazil.

Vessel: Patrocínio; flag: Portugal / Brazil; rig: Curveta. People recorded in connection with the voyage: Captain: Pederneira, Manoel Pereira; Investor: Souza, Domingos de Carvalho e. The voyage began at Rio de Janeiro on 27 May 1821. Principal recorded place where captives were acquired: Luanda (West Central Africa and St Helena). Principal recorded disembarkation place: Rio de Janeiro. Recorded duration of the captives' Atlantic crossing: 33 days. Estimated mortality during the crossing: 13.0%. Recorded outcome: Voyage completed as intended.