The slave ship Tryal departed on a transatlantic slave-trading voyage that would carry enslaved Africans to Jamaica.

Vessel: Tryal; flag: Great Britain; rig: Ship; estimated standardized tonnage: 164.3. People recorded in connection with the voyage: Captain: Postlethwaite, Wm; Investor: Postlethwaite, Wm; Investor: Ingram, F. The voyage began at Liverpool on 16 July 1774. Principal recorded place where captives were acquired: Gabon (Bight of Biafra and Gulf of Guinea islands). Principal recorded disembarkation place: Jamaica, place unspecified. Recorded resistance: Revolt by enslaved people. Recorded outcome: Shipwrecked or destroyed, after disembarkation.