The slave ship Boa União arrived with enslaved Africans in Brazil. About 397 people had been taken aboard and approximately 377 arrived.

Vessel: Boa União; flag: Portugal / Brazil; rig: Brig. People recorded in connection with the voyage: Captain: Simões, Jerônimo José; Investor: Tavares, Joaquim Avelino. The voyage began at Pernambuco, place unspecified. Principal recorded place where captives were acquired: Luanda (West Central Africa and St Helena). Principal recorded disembarkation place: Pernambuco, place unspecified. Recorded duration of the captives' Atlantic crossing: 25 days. Estimated mortality during the crossing: 5.0%. Recorded outcome: Voyage completed as intended.