| unknown | Ship Details | |
| 1790 | Departed on a Voyage to the Arctic (Captained by Turnbull, William) | LL, 29 Jan 1790; BT98/50,284 |
| 1790 | Returned from a Voyage to the Arctic (Captained by Turnbull, William) | LL, 29 Jan 1790; BT98/50,284 |
| 1790 | Departed on a Voyage to the Arctic (Captained by Turnbull, William) | LL, 3 Sept 1790; BT98/50,285 |
| 1790 | Returned from a Voyage to the Arctic (Captained by Turnbull, William) | LL, 3 Sept 1790; BT98/50,285 |
| 1790 | Departed on a Voyage to North America (Captained by Turnbull, William) | LL, 8 Apr 1791; BT98/51,100 |
| 1791 | Returned from a Voyage to North America (Captained by Turnbull, William) | LL, 8 Apr 1791; BT98/51,100 |
| 1791 | Departed on a Voyage to the Arctic (Captained by Turnbull, William) | LL, 6 Sept 1791; BT98/52,32 |
| 1791 | Returned from a Voyage to the Arctic (Captained by Turnbull, William) | LL, 6 Sept 1791; BT98/52,32 |