The slave ship Diana completed the voyage after transporting enslaved Africans to Trinidad and Tobago.

Vessel: Diana; flag: Great Britain; rig: Ship; estimated standardized tonnage: 249. People recorded in connection with the voyage: Investor: Hughan; Investor: Miles; Investor: Taylor, Robert; Captain: Boyd, Ralph. The voyage began at London on 23 April 1806. Principal recorded place where captives were acquired: Lagos, Onim (Bight of Benin). Principal recorded disembarkation place: Trinidad, port unspecified. Recorded outcome: Voyage completed as intended.