The slave ship Princess Royal completed the voyage after transporting enslaved Africans to Guyana.

Vessel: Princess Royal; flag: Great Britain; rig: Schooner; estimated standardized tonnage: 135. People recorded in connection with the voyage: Captain: Begg, William; Investor: Begg, William; Captain: Mill, John; Investor: Mill, John; Captain: Brinton, William. The voyage began at Liverpool on 23 May 1806. Principal recorded place where captives were acquired: Congo River (West Central Africa and St Helena). Principal recorded disembarkation place: Demerara. Recorded outcome: Voyage completed as intended.