The slave ship NS da Conceição Conde dos Arcos arrived with enslaved Africans in Brazil. About 558 people had been taken aboard and approximately 419 arrived.

Vessel: NS da Conceição Conde dos Arcos; flag: Portugal / Brazil; rig: Bergantim. People recorded in connection with the voyage: Captain: Miles, Vicente Ferreira; Investor: Sampaio, Francisco Moreira. The voyage began at Bahia, place unspecified on 7 October 1812. 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: 76 days. Estimated mortality during the crossing: 25.0%.