French corvette Heure du Berger (1767)
Heure du Berger  was a small corvette of the French Navy. She is notable for discovering a new route from Mauritius to India. Career
In 1767, Ensign Grenier took Heure du Berger for a voyage of exploration in the Indian Ocean, with astronomer Rochon, and discovered a new, quicker route from Isle de France to India. In 1772, commended by Amiral de Saint-Félix, in charge to find legendary island San-Juan-de-Lisboa, in the Indian Ocean. 