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

Vessel: Conde dos Arcos; flag: Portugal / Brazil; rig: Brig. People recorded in connection with the voyage: Captain: Luz, Antônio da. The voyage began at Rio de Janeiro on 25 September 1821. Principal recorded place where captives were acquired: Quilimane (East Africa and Indian Ocean islands). Principal recorded disembarkation place: Rio de Janeiro. Recorded duration of the captives' Atlantic crossing: 61 days. Estimated mortality during the crossing: 11.0%. Recorded outcome: Voyage completed as intended.