The slave ship NS do Amparo e Constância left the African coast carrying enslaved Africans toward Brazil. About 377 people had been taken aboard.

Vessel: NS do Amparo e Constância; flag: Portugal / Brazil; rig: Bergantim. People recorded in connection with the voyage: Investor: Pinto, João Machado; Captain: Pereira, Manoel Marques. The voyage began at Bahia, place unspecified. Principal recorded place where captives were acquired: Luanda (West Central Africa and St Helena). Principal recorded disembarkation place: Bahia, place unspecified. Recorded duration of the captives' Atlantic crossing: 35 days. Estimated mortality during the crossing: 2.0%. Recorded outcome: Voyage completed as intended.