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| Date from | Date to | Event | Source |
|---|---|---|---|
| 1690 | Lieutenant | ADM 106 | |
| 1690 | Crown (50)
1689-1703 , Lieutenant ADM 106/399/7British 50 Gun 4th Rate Ship of the Line | ADM 106 | |
| 1695 | Commander | BWAS-1603 | |
| 1695 | 16.5.1696 | Mercury (4)
1694-1697 , Commander, and Commanding OfficerBritish 4 Gun Unrated Advice Boat | BWAS-1603 |
| 17.5.1696 | Captain | ADM 6/4 | |
| 17.5.1696 | 30.11.1797 | Experiment (32)
1689-1717 , Captain, and Commanding Officer ADM 6/4/93British 32 Gun 5th Rate Frigate | BWAS-1603 |
| 30.11.1697 | Court Martial : John Lapthorne, Captain, Experiment. Crime: Forging the returns. Verdict: Guilty. Sentence: To be cashiered. | ADM 1/5258 |