The slave ship NS da Conceição e S João Fragatinha left the African coast carrying enslaved Africans toward Brazil. About 316 people had been taken aboard.

Vessel: NS da Conceição e S João Fragatinha; flag: Portugal / Brazil; rig: Bergantim. People recorded in connection with the voyage: Investor: Fonseca, Manoel da Rocha da. The voyage began at Bahia, place unspecified on 17 April 1805. Principal recorded place where captives were acquired: Costa da Mina, place unspecified (Bight of Benin). Principal recorded disembarkation place: Bahia, place unspecified. Estimated mortality during the crossing: 8.0%. Recorded outcome: Voyage completed as intended.