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| Date from | Date to | Event | Source |
|---|---|---|---|
| 1773 | 1775 | Elève à l'Ecole Royale de Marine | ref:631 |
| 14.4.1781 | Lieutenant de Vaisseau | ref:631 | |
| 1783 | La Dorade (12)
1764-1789 , Lieutenant de Vaisseau and Commanding OfficerFrench 12 Gun Unrated Gabarre | ref:631 | |
| 1.6.1783 | Appointed de l’Ordre Royal et Militaire de Saint-Louis | ref:631 | |
| 13.5.1785 | Count Charles-Jean d'Hector appointed Morel d'Escures to closely monitor the work and outfitting of the "Portefaix" , a merchant ship (which would become the "Boussole"). | ref:631 | |
| bef.1.8.1785 | 13.7.1786 | Boussole (18)
1782-1788 , Lieutenant de Vaisseau , with rank of Enseigne on boardFrench 18 Gun Unrated Flûte 1785 Renamed "Astrolabe" 1785 Renamed "Boussole" | ref:631 |
| 13.7.1786 | Died in the sinking of rowboats trying to negotiate the entrance to the Lituya Bay pass in Alaska despite the violent currents .The sinking of two rowboats at the foot of Mount Saint Elias in 1786 cost the lives of 21 people , including Charles-Gabriel Morel d'Escures . | ref:631 |