The slave ship NS da Conceição arrived with enslaved Africans in Brazil. About 538 people had been taken aboard and approximately 517 arrived.

Vessel: NS da Conceição; flag: Portugal / Brazil; rig: Brig. People recorded in connection with the voyage: Investor: Lopes, Antonio Jacinto; Captain: Miles, Vicente Ferreira. The voyage began at Bahia, place unspecified on 22 August 1811. 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: 45 days. Estimated mortality during the crossing: 4.0%. Recorded outcome: Voyage completed as intended.