The slave ship Constante arrived with enslaved Africans in Brazil. About 399 people had been taken aboard and approximately 398 arrived.

Vessel: Constante; flag: Portugal / Brazil; rig: Brig. People recorded in connection with the voyage: Captain: Melo, João José de Azevedo e; Investor: Guimarães, Constantino Dias Pinheiro. The voyage began at Southeast Brazil, port unspecified. Principal recorded place where captives were acquired: Congo River (West Central Africa and St Helena). Principal recorded disembarkation place: Rio de Janeiro. Recorded duration of the captives' Atlantic crossing: 27 days. Recorded outcome: Voyage completed as intended.