The slave ship Haast U Langzaam left the African coast carrying enslaved Africans toward Suriname. About 273 people had been taken aboard.

Vessel: Haast U Langzaam; flag: Netherlands; rig: Fregat; estimated standardized tonnage: 396. People recorded in connection with the voyage: Captain: Menkenveld, Jan; Investor: Middelburgsche Commercie Compagnie. The voyage began at Zeeland on 30 July 1764. Principal recorded place where captives were acquired: Cape Lahou (Windward Coast). Principal recorded disembarkation place: Suriname, place unspecified. Estimated mortality during the crossing: 6.0%. Recorded resistance: Revolt by enslaved people. Recorded outcome: Voyage completed as intended.