| unknown | Ship Details | |
| 1787 | Departed on a Voyage to the Arctic (Captained by Gwin, David) | LL, 21 Aug 1787; BT98/47,277 |
| 1787 | Returned from a Voyage to the Arctic (Captained by Gwin, David) | LL, 21 Aug 1787; BT98/47,277 |
| 1788 | Departed on a Voyage to the Arctic (Captained by Gwin, David) | LL, 2 Sep 1788; BT98/48,281 |
| 1788 | Returned from a Voyage to the Arctic (Captained by Gwin, David) | LL, 2 Sep 1788; BT98/48,281 |
| 1788 | Departed on a Voyage to North America (Captained by Gwin, David) | LL, 24 Feb 1789; BT98/49,71 |
| 1789 | Departed on a Voyage to North America (Captained by Gwin, David ) | LL, 12 Mar 1790; BT98/50,76 |
| 1789 | Returned from a Voyage to North America (Captained by Gwin, David) | LL, 24 Feb 1789; BT98/49,71 |
| 1789 | Departed on a Voyage to the Arctic (Captained by Gwin, David) | LL, 11 Sept 1789; BT98/49,320 |
| 1789 | Returned from a Voyage to the Arctic (Captained by Gwin, David) | LL, 11 Sept 1789; BT98/49,320 |
| 1790 | Returned from a Voyage to North America (Captained by Gwin, David ) | LL, 12 Mar 1790; BT98/50,76 |