The slave ship Preston left the African coast carrying enslaved Africans toward Jamaica. About 320 people had been taken aboard.

Vessel: Preston; flag: Great Britain; rig: Brig; estimated standardized tonnage: 100. People recorded in connection with the voyage: Investor: Earle, Thomas; Captain: Earle, William; Investor: Earle, William; Captain: Brighouse, William. The voyage began at Liverpool on 15 February 1786. Principal recorded place where captives were acquired: Calabar (Bight of Biafra and Gulf of Guinea islands). Principal recorded disembarkation place: Kingston. Estimated mortality during the crossing: 39.0%. Recorded outcome: Voyage completed as intended.