The slave ship Neptunus left the African coast carrying enslaved Africans toward Suriname. About 309 people had been taken aboard.

Vessel: Neptunus; flag: Netherlands. People recorded in connection with the voyage: Captain: Swart, Jan; Investor: Swart, Jan; Investor: Swart. The voyage began at Zeeland on 27 September 1742. Principal recorded place where captives were acquired: Congo North (West Central Africa and St Helena). Principal recorded disembarkation place: Suriname, place unspecified. Recorded duration of the captives' Atlantic crossing: 50 days. Recorded outcome: Voyage completed as intended.