The slave ship Boussole left the African coast carrying enslaved Africans toward Haiti. About 630 people had been taken aboard.

Vessel: Boussole; flag: France; estimated standardized tonnage: 450. People recorded in connection with the voyage: Captain: Vieillard, Grégoire; Investor: Compagnie de la Guyane. The voyage began at Le Havre on 20 October 1777. Principal recorded place where captives were acquired: Whydah, Ouidah (Bight of Benin). Principal recorded disembarkation place: Cap Français. Recorded duration of the captives' Atlantic crossing: 130 days. Estimated mortality during the crossing: 21.0%. Recorded outcome: Voyage completed as intended.