The slave ship NS da Conceição e Sr dos Passos arrived with enslaved Africans in Brazil. About 478 people had been taken aboard and approximately 396 arrived.

Vessel: NS da Conceição e Sr dos Passos; flag: Portugal / Brazil; rig: Brig. People recorded in connection with the voyage: Captain: Oliveira, Francisco Paulo Neves de; Captain: Santos, Félix José dos; Investor: Santos, Félix José dos. The voyage began at Southeast Brazil, port unspecified. Principal recorded place where captives were acquired: Luanda (West Central Africa and St Helena). Principal recorded disembarkation place: Rio de Janeiro. Recorded duration of the captives' Atlantic crossing: 37 days. Estimated mortality during the crossing: 17.0%. Recorded outcome: Voyage completed as intended.