[1] In 1808, he enlisted on the privateer Deux-Sœurs; during the campaign, he was appointed to the prize crew sent aboard a captured ship, which turned out to be so badly damaged that she had to make a port call in Tharangambadi for fear of sinking.
[1] After the Bourbon Restoration, he settled in Mauritius, retired from the Navy, and became the ship-owner of the Latchimie[note 1] and sailed several journeys in the Indian Ocean.
[2] Returned to France to support his ailing wife, Cunat continued to sail merchantmen as captain of the Noémi.
[2] From 1835 to 1862, he served as an aid to the major of Saint-Malo, and wrote History books in his spare time.
[2] Cunat furthermore contributed the articles on André Désilles, René Duguay-Trouin, Joseph Potier, Robert Surcouf and various others in the Biographie bretonne directed by Prosper Levot:[2]