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

Vessel: Ásia; flag: Portugal / Brazil; rig: Bergantim. People recorded in connection with the voyage: Investor: Caldeira, Antônio da Silva; Captain: Martins, Diogo José; Captain: Lima, Lourenço Manoel de. The voyage began at Rio de Janeiro on 11 March 1818. Principal recorded place where captives were acquired: Cabinda (West Central Africa and St Helena). Principal recorded disembarkation place: Rio de Janeiro. Recorded duration of the captives' Atlantic crossing: 84 days. Estimated mortality during the crossing: 2.0%. Recorded outcome: Voyage completed as intended.