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| Date from | Date to | Event | Source |
|---|---|---|---|
| 12.3.1739/40 | Passed the Lieutenant's Examination ADM 107/3/369 | RNLPC | |
| 17.9.1740 | Lieutenant | CSORN | |
| 7.9.1741 | 25.11.1742 | Duke (90)
1739-1769 , Third Lieutenant, ADM 6/16/451British 90 Gun 2nd Rate Ship of the Line | ADM 6/15 |
| 22.6.1745 | Captain | CSORN | |
| 22.6.1745 | 3.6.1746 | Launceston (44)
1741-1784 , Captain, and Commanding Officer ADM 6/17/90British 44 Gun 5th Rate Ship of the Line 1752 Renamed "Launceston Hulk" 1758 Renamed "Launceston" | BWAS-1714 |
| 4.6.1746 | 20.4.1749 | , Captain, and Commanding Officer ADM 6/17/111 | BWAS-1714 |
| 4.2.1755 | 6.1.1758 | Anson (60)
1747-1773 , Captain, and Commanding Officer ADM 6/18/128British 60 Gun 4th Rate Ship of the Line | BWAS-1714 |
| 6.1.1758 | 31.7.1758 | Prince Frederick (64)
1740-1784 , Captain, and Commanding Officer ADM 6/18/467British 64 Gun 3rd Rate Ship of the Line | BWAS-1714 |
| 6.6.1758 | 27.7.1758 | The Siege of Louisbourg | |
| 31.7.1758 | 19.8.1761 | Lancaster (66)
1749-1773 , Captain, and Commanding Officer ADM 6/19/341British 66 Gun 3rd Rate Ship of the Line Issued by The Hon. Edward BoscawenBritish , North America
Naval Sailor Ship Owner Administrator Marine Service 1726-1759 Confirmed 11.8.1761 | ADM 6/19 |
| 5.8.1761 | 5.2.1763 | Cornwall (74)
1761-1780 , Captain, and Commanding Officer ADM 6/19/338British 74 Gun 3rd Rate Ship of the Line | BWAS-1714 |
| c.21.2.1769 | 1770 | Montagu (60)
1757-1774 , as Flag Officer, Commodore, ADM 107/1/266British 60 Gun 4th Rate Ship of the Line | BWAS-1714 |
| 16.5.1769 | Appointed Commander-in-Chief — Barbados & the Leeward Islands ADM 6/20/239 | ADM 6/20 | |
| 18.10.1770 | Rear-Admiral of the Blue | CSORN | |
| 24.10.1770 | Rear-Admiral of the Red | CSORN | |
| 4.6.1774 | c.16.9.1777 | Appointed Commander-in-Chief — The Mediterranean Sea ADM 6/21/34 | ADM 6/21 |
| c.4.6.1774 | c.16.9.1777 | Medway (60)
1755-1811 , as Flag Officer, Rear-Admiral of the Red, ADM 107/1/266British 60 Gun 4th Rate Ship of the Line 1802 Renamed "Arundel" | BWAS-1714 |
| 31.3.1775 | Vice-Admiral of the Blue | CSORN | |
| 7.12.1775 | Vice-Admiral of the White | ADM 6/21 | |
| 29.1.1778 | Vice-Admiral of the Red | CSORN | |
| 23.4.1779 | 21.9.1780 | Appointed Lord Commissioner of the Admiralty | OHMB4 |
| 26.9.1780 | Admiral of the Blue | CSORN |