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

Vessel: Alliance; flag: France; estimated standardized tonnage: 164.3. People recorded in connection with the voyage: Captain: Clarck, Thobie; Investor: Clarck, Thobie; Captain: Rirdan, Etienne; Investor: Rirdan, Etienne. The voyage began at Nantes on 8 December 1728. Principal recorded place where captives were acquired: Loango (West Central Africa and St Helena). Principal recorded disembarkation place: Martinique, place unspecified. Recorded duration of the captives' Atlantic crossing: 49 days. Estimated mortality during the crossing: 3.0%. Recorded outcome: Voyage completed as intended.