The slave ship NS da Boa Viagem Abismo arrived with enslaved Africans in Brazil. About 299 people had been taken aboard and approximately 271 arrived.

Vessel: NS da Boa Viagem Abismo; flag: Portugal / Brazil; rig: Bergantim; estimated standardized tonnage: 129. People recorded in connection with the voyage: Captain: Brito, Joaquim Ribeiro de; Investor: Brito, Joaquim Ribeiro de. The voyage began at Pernambuco, place unspecified on 22 December 1820. Principal recorded place where captives were acquired: Luanda (West Central Africa and St Helena). Principal recorded disembarkation place: Pernambuco, place unspecified. Recorded outcome: Voyage completed as intended.