The slave ship King of Prussia completed the voyage after transporting enslaved Africans to Saint Vincent and the Grenadines.

Vessel: King of Prussia; flag: Great Britain; rig: Snauw; estimated standardized tonnage: 182.3. People recorded in connection with the voyage: Investor: Blundell, Bryan; Investor: Staniforth, Thomas; Investor: Martin, Charles; Captain: Doran, Felix; Investor: Doran, Felix; Investor: Taylor, Joseph; Investor: Pole, William; Investor: Davenport, William; Captain: Richardson, Samuel; Investor: Nottingham, Alex. The voyage began at Liverpool on 19 May 1771. Principal recorded place where captives were acquired: Cameroons (Bight of Biafra and Gulf of Guinea islands). Principal recorded disembarkation place: St Vincent, port unspecified. Recorded outcome: Voyage completed as intended.