The slave ship NS da Conceição Especuladora departed on a transatlantic slave-trading voyage that would carry enslaved Africans to Brazil.

Vessel: NS da Conceição Especuladora; flag: Portugal / Brazil; rig: Schooner. People recorded in connection with the voyage: Investor: Lisboa, Manoel Inácio; Captain: Franco, Luís Pereira; Investor: Franco, Luís Pereira. The voyage began at Bahia, place unspecified on 17 April 1811. Principal recorded place where captives were acquired: Accra (Gold Coast). Principal recorded disembarkation place: Bahia, place unspecified. Recorded duration of the captives' Atlantic crossing: 30 days. Estimated mortality during the crossing: 20.0%. Recorded outcome: Voyage completed as intended.