The slave ship NS da Guia left the African coast carrying enslaved Africans toward Brazil. About 152 people had been taken aboard.

Vessel: NS da Guia; flag: Portugal / Brazil; rig: Bergantim. People recorded in connection with the voyage: Investor: Brandão, José Inácio Aviaivoli de Vas; Captain: Leonardo, Severo. The voyage began at Bahia, place unspecified on 30 June 1804. Principal recorded place where captives were acquired: Costa da Mina, place unspecified (Bight of Benin). Principal recorded disembarkation place: Bahia, place unspecified. Recorded duration of the captives' Atlantic crossing: 46 days. Estimated mortality during the crossing: 1.0%. Recorded outcome: Voyage completed as intended.