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| Date from | Date to | Event | Source |
|---|---|---|---|
| 1775 | Passed the Lieutenant's Examination ADM 107/6/334, ADM 6/87/339 | RNLPC | |
| 10.5.1776 | Lieutenant | CSORN | |
| 23.7.1781 | Commander | CSORN | |
| 23.7.1781 | 12.8.1782 | Terror (8)
1779-1812 , Commander, and Commanding Officer ADM 6/22/361British 8 Gun Unrated Bomb Vessel Issued by George JohnstonBritish Naval Sailor Service 1744-1787 Confirmed 8.11.1781 | BWAS-1714 |
| 12.8.1782 | Captain | CSORN | |
| 12.8.1782 | 13.8.1782 | Hermione (32)
1782-1797 , Captain, and Commanding Officer ADM 6/22/503British 32 Gun 5th Rate Frigate | ADM 6/22 |
| 21.8.1782 | Necker (28)
1781-1789 , Captain, and Commanding Officer ADM 6/22/506British 28 Gun 6th Rate Sloop | BWAS-1714 | |
| 10.5.1790 | 19.11.1790 | Winchelsea (32)
1764-1814 , Commander, and Commanding Officer ADM 6/24/26British 32 Gun 5th Rate Frigate | BWAS-1714 |
| 20.2.1793 | 1.12.1796 | Intrepid (64)
1770-1815 , Captain, and Commanding Officer ADM 6/24/211British 64 Gun 3rd Rate Ship of the Line | BWAS-1714 |