The slave ship Adelaide departed on a transatlantic slave-trading voyage that would carry enslaved Africans to Brazil.

Vessel: Adelaide; flag: Portugal / Brazil; rig: Schooner. People recorded in connection with the voyage: Captain: Araújo, João Batista de; Investor: Araújo, João Batista de; Captain: Carvalho, João Dias de. The voyage began at Bahia, place unspecified on 25 September 1818. Principal recorded place where captives were acquired: Rio Zaire (West Central Africa and St Helena). Principal recorded disembarkation place: Bahia, place unspecified. Recorded duration of the captives' Atlantic crossing: 24 days. Estimated mortality during the crossing: 1.0%. Recorded outcome: Voyage completed as intended.