The slave ship NS da Conceição e S João Fragatinha departed on a transatlantic slave-trading voyage that would carry enslaved Africans to Brazil.

Vessel: NS da Conceição e S João Fragatinha; flag: Portugal / Brazil; rig: Schooner. People recorded in connection with the voyage: Captain: Viana, Isidoro Antônio; Investor: Fonseca, Manoel da Rocha da. The voyage began at Bahia, place unspecified on 4 August 1809. 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: 33 days. Estimated mortality during the crossing: 6.0%. Recorded outcome: Voyage completed as intended.