The slave ship Helen left the African coast carrying enslaved Africans toward Grenada. About 310 people had been taken aboard.

Vessel: Helen; flag: Great Britain; rig: Ship; estimated standardized tonnage: 186. People recorded in connection with the voyage: Investor: Case, George; Investor: Gregson, John; Investor: Aspinall, John B; Investor: Gregson, James; Captain: Apsinall, James; Investor: Apsinall, James; Investor: Gregson William (Jr); Captain: Grice, William. The voyage began at Liverpool on 3 February 1791. Principal recorded place where captives were acquired: Grenada Point (West Central Africa and St Helena). Principal recorded disembarkation place: Grenada, place unspecified. Recorded outcome: Voyage completed as intended.