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

Vessel: General Sampaio; flag: Portugal / Brazil; rig: Brig; estimated standardized tonnage: 187. People recorded in connection with the voyage: Investor: Rego, Lourenço Antonio do; Captain: Souza, José Dias de; Captain: Pamplona, Boaventura Borges. The voyage began at Lisbon on 14 March 1828. 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: 36 days. Estimated mortality during the crossing: 22.0%. Recorded outcome: Voyage completed as intended.