The slave ship NS da Conceição e Sr dos Passos arrived with enslaved Africans in Brazil. About 453 people had been taken aboard and approximately 410 arrived.

Vessel: NS da Conceição e Sr dos Passos; flag: Portugal / Brazil; rig: Bergantim. People recorded in connection with the voyage: Captain: Medões, Bernardo da Silva; Captain: Queiróz, Manoel Marques da Rocha; Investor: Queiróz, Manoel Marques da Rocha; Investor: Nogueira, Ana Ifigênia. The voyage began at Bahia, place unspecified on 28 April 1817. Principal recorded place where captives were acquired: West Central Africa and St Helena, port unspecified. Principal recorded disembarkation place: Bahia, place unspecified. Recorded duration of the captives' Atlantic crossing: 29 days. Recorded outcome: Voyage completed as intended.