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| Date from | Date to | Event | Source |
|---|---|---|---|
| 6.4.1737 | Lieutenant | CSORN | |
| 24.6.1741 | Succeeded as 6th Earl of Northesk | E-WIKI | |
| 25.8.1741 | Captain | CSORN | |
| 25.8.1741 | 3.1.1741/42 | Bideford (20)
1740-1754 , Captain, and Commanding Officer ADM 6/16/445British 20 Gun 6th Rate Ship | BWAS-1714 |
| 4.1.1741/42 | 7.9.1742 | , Captain, and Commanding Officer: On board from 6.2.1741/42 ADM 6/16/1 | BWAS-1714 |
| 8.9.1742 | 5.4.1747 | Preston (50)
1742-1749 , Captain, and Commanding Officer ADM 6/16/96British 50 Gun 4th Rate Ship of the Line | BWAS-1714 |
| 24.1.1744/45 | Straits of Banca | ||
| 25.6.1746 | 1st Battle of Negapatam | ||
| 6.3.1755 | 5.4.1755 | Orford (68)
1749-1783 , Captain, and Commanding Officer ADM 6/18/143British 68 Gun 3rd Rate Ship of the Line | BWAS-1714 |
| 4.6.1756 | Rear-Admiral of the Blue | CSORN | |
| 13.7.1758 | Rear-Admiral of the White | ADM 6/18 | |
| 14.2.1759 | Vice-Admiral of the Blue | CSORN | |
| 21.10.1762 | Vice-Admiral of the White | CSORN | |
| 18.10.1770 | Admiral of the Blue | CSORN | |
| 29.1.1778 | Admiral of the White | CSORN |