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

Vessel: S João Americano; flag: Portugal / Brazil; rig: Bergantim. People recorded in connection with the voyage: Investor: Barroso, João Gomes; Captain: Silva, Antônio José da. The voyage began at Rio de Janeiro on 22 October 1812. Principal recorded place where captives were acquired: Benguela (West Central Africa and St Helena). Principal recorded disembarkation place: Rio de Janeiro. Recorded duration of the captives' Atlantic crossing: 40 days. Estimated mortality during the crossing: 5.0%. Recorded outcome: Voyage completed as intended.