The slave ship Haast U Langzaam left the African coast carrying enslaved Africans toward Suriname. About 304 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: Chatelain, Adriaan; Investor: Middelburgsche Commercie Compagnie. The voyage began at Vlissingen on 30 November 1766. Principal recorded place where captives were acquired: Malembo (West Central Africa and St Helena). Principal recorded disembarkation place: Suriname, place unspecified. Estimated mortality during the crossing: 1.0%. Recorded resistance: Revolt by enslaved people. Recorded outcome: Voyage completed as intended.