The slave ship Constante arrived with enslaved Africans in Brazil. About 209 people had been taken aboard and approximately 204 arrived.

Vessel: Constante; flag: Portugal / Brazil; rig: Bergantim. People recorded in connection with the voyage: Captain: Ribeiro, Manoel Joaquim Álvares; Investor: Ribeiro, Manoel Joaquim Álvares; Captain: Costa, José Pereira da. The voyage began at Bahia, place unspecified on 1810. Principal recorded place where captives were acquired: Costa da Mina, place unspecified (Bight of Benin). Principal recorded disembarkation place: Bahia, place unspecified. Recorded duration of the captives' Atlantic crossing: 40 days. Estimated mortality during the crossing: 2.0%. Recorded outcome: Voyage completed as intended.