| unknown | Ship Details | |
| 1786 | Departed on a Voyage to the North Sea (Captained by Cowen, John) | LL, 2 Mar 1787; BT98/47,66 |
| 1787 | Returned from a Voyage to the North Sea (Captained by Cowen, John) | LL, 2 Mar 1787; BT98/47,66 |
| 1787 | Departed on a Voyage to the Arctic (Captained by Cowen, John) | LL, 27 Jul 1787; BT98/47,260 |
| 1787 | Returned from a Voyage to the Arctic (Captained by Cowen, John) | LL, 27 Jul 1787; BT98/47,260 |
| 1788 | Returned from a Voyage to the Baltic (Captained by Cowen, John) | BT98/49,43 |
| 1788 | Departed on a Voyage to the Arctic (Captained by Cowen, John) | LL, 25 Jul 1788; BT98/48,225 |
| 1788 | Returned from a Voyage to the Arctic (Captained by Cowen, John) | LL, 25 Jul 1788; BT98/48,225 |
| 1788 | Departed on a Voyage to the Baltic (Captained by Cowen, John) | BT98/49,43 |
| 1789 | Departed on a Voyage to the West Indies (Captained by Cowen, John) | LL, 18 Sept 1789; BT98/50,10 |
| 1789 | Returned from a Voyage to the West Indies (Captained by Cowen, John) | LL, 18 Sept 1789; BT98/50,10 |