The slave ship Imperador Feliz left the African coast carrying enslaved Africans toward Brazil. About 475 people had been taken aboard.

Vessel: Imperador Feliz; flag: Portugal / Brazil; rig: Bergantim. People recorded in connection with the voyage: Investor: Gomes, Miguel Ferreira; Captain: Lisboa, José Antônio; Investor: Lisboa, José Antônio. The voyage began at Bahia, place unspecified on 21 October 1818. 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: 40 days. Estimated mortality during the crossing: 11.0%. Recorded outcome: Voyage completed as intended.