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

Vessel: Sinceridade; flag: Portugal / Brazil; rig: Sumaca. People recorded in connection with the voyage: Captain: Maia, Plácido José da; Captain: Lisboa, José Antônio; Investor: Lisboa, José Antônio. The voyage began at Bahia, place unspecified on 21 August 1813. Principal recorded place where captives were acquired: Whydah, Ouidah (Bight of Benin). Principal recorded disembarkation place: Bahia, place unspecified. Estimated mortality during the crossing: 2.0%. Recorded outcome: Voyage completed as intended.