The slave ship Boussole departed on a transatlantic slave-trading voyage that would carry enslaved Africans to Haiti.

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.