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| Date from | Date to | Event | Source |
|---|---|---|---|
| 1752 | 1754 | Service as a merchant seaman | ADM 107/5 |
| 4.10.1758 | Passed the Lieutenant's Examination ADM 107/5/59 | RNLPC | |
| 27.10.1758 | Lieutenant ADM 6/18/554 | CSORN | |
| 11.9.1766 | Commander ADM 6/20/137 | CSORN | |
| 11.9.1766 | 25.9.1770 | Carcass (14), Commander and Commanding Officer ADM 6/20/137 | BWAS-1714 |
| 25.9.1770 | 24.6.1771 | Cruizer (8), Commander and Commanding Officer ADM 6/20/294 | ADM 6/20 |
| 24.6.1771 | 7.7.1772 | Kingfisher (14), Commander and Commanding Officer ADM 6/20/384 | BWAS-1714 |
| 7.7.1772 | Captain ADM 6/20/458 | CSORN | |
| 7.7.1772 | 15.4.1774 | Fowey (24), Captain and Commanding Officer ADM 6/20/458 Issued by John Montagu (1719-1795) Confirmed 6.10.1772 | BWAS-1714 |
| 20.3.1776 | 1.5.1779 | Galatea (20), Captain and Commanding Officer ADM 6/21/170 | BWAS-1714 |