| unknown | Ship Details | |
| 1777 | Departed on a Voyage to North America (Captained by Powell, John) | BT98/38,253 |
| 1778 | Returned from a Voyage to North America (Captained by Powell, John) | BT98/38,253 |
| 1781 | Returned from a Voyage to the Baltic (Captained by Powell, John) | BT98/41,256 |
| 1781 | Departed on a Voyage to the Baltic (Captained by Powell, John) | BT98/41,256 |
| 1782 | Returned from a Voyage to the Baltic (Captained by Powell, John) | BT98/43,22 |
| 1782 | Departed on a Voyage to the Baltic (Captained by Powell, John) | BT98/43,22 |
| 1782 | Returned from a Voyage to Ireland (Captained by Powell, John) | BT98/42,69 |
| 1783 | Departed on a Voyage to Ireland (Captained by Powell, John) | BT98/42,69 |
| 1783 | Departed on a Voyage to North America (Captained by Powell, John) | BT98/43,234 |
| 1783 | Returned from a Voyage to North America (Captained by Powell, John) | BT98/43,234 |
| 1784 | Departed on a Voyage to North America (Captained by Powell, John) | LL, 11 Feb 1785; BT98/45,58 |
| 1785 | Returned from a Voyage to North America (Captained by Powell, John) | LL, 11 Feb 1785; BT98/45,58 |
| 1787 | Returned from a Voyage to England (Captained by Powell, John) | LL, 14 Dec 1787; BT98/48,33 |
| 1787 | Departed on a Voyage to North America (Captained by Powell, John) | LL, 7 Aug 1787; BT98/47,252 |
| 1787 | Returned from a Voyage to North America (Captained by Powell, John) | LL, 7 Aug 1787; BT98/47,252 |
| 1787 | Departed on a Voyage to England (Captained by Powell, John) | LL, 14 Dec 1787; BT98/48,33 |
| 1788 | Departed on a Voyage to North America (Captained by Powell, John) | LL, 4 Jul 1788; BT98/48,215 |
| 1788 | Returned from a Voyage to North America (Captained by Powell, John) | LL, 4 Jul 1788; BT98/48,215 |
| 1788 | Departed on a Voyage to North America (Captained by Powell, John) | LL, 23 Jan 1789; BT98/49,38 |
| 1789 | Returned from a Voyage to North America (Captained by Powell, John) | LL, 23 Jan 1789; BT98/49,38 |
| 1789 | Departed on a Voyage to North America (Captained by Powell, John) | LL, 4 Aug 1789; BT98/49,257 |
| 1789 | Returned from a Voyage to North America (Captained by Powell, John) | LL, 4 Aug 1789; BT98/49,257 |
| 1789 | Departed on a Voyage to North America (Captained by Powell, John ) | LL, 16 Mar 1790; BT98/50,86 |
| 1790 | Returned from a Voyage to North America (Captained by Powell, John ) | LL, 16 Mar 1790; BT98/50,86 |