| Date | Captor | Name | Master | Rig | Codes | Fate | Tons | Crew | Guns |
| 6 | Gideon Olmstead et al, PAN Brig Convention, PAP Brig Le Gerard | §Active | John Underwood | Sloop | NA/I | TC | 90 | 11 | |
| [15] | NCP Brig Bellona | Actæon | Bunch | Schooner | NA/C | ||||
| [15] | NCP Brig Bellona | Elizabeth | Kelly | Brig | NA/C | ||||
| [15] | NCP Brig Bellona | Harlequin | Stephen Snell | Sloop | NA/C | TC | 6 | ||
| [15] | NCP Brig Bellona | Sophia | Tinker | Sloop | NA/O | TC | |||
| [15] | CTP Brig Betsey | Seaflower | Isaac Robinson | Sloop | TC | ||||
| 17 | MAP Brig Vengeance | Harriot | Samson Sprague | Ship | NA/O | TC | 45 | 16 | |
| 21 | MAP Brig Vengeance | Eagle | Edward Spence | Snow | E/I | TC | 60 | 14 |
| Summary By Rig: September 1778 | ||||||
| Status | Brigs | Schooners | Ships | Sloops | Others | Total |
| Captured | 0 | 0 | 0 | 0 | 0 | 0 |
| Recaptured | 0 | 0 | 0 | 0 | 0 | 0 |
| Total Captures | 0 (0%) | 0 (0%) | 0 (0%) | 0 (0%) | 0 (0%) | 0 |
| Recaptured by enemy | 0 | 0 | 0 | 0 | 0 | 0 |
| Released | 0 | 0 | 0 | 0 | 0 | 0 |
| Total: | 0 | 0 | 0 | 0 | 0 | 0 |
| Significant Captures: September 1778 | ||||||
| Government vessels | 0 | 0 | 0 | 0 | 0 | 0 (0%) |
| Privateers | 0 | 0 | 0 | 0 | 0 | 0 (0%) |
| Provisions in cargo | 0 | 0 | 0 | 0 | 0 | 0 (0%) |
| Munitions in cargo | 0 | 0 | 0 | 0 | 0 | 0 (0%) |
| Total | 0 | 0 | 0 | 0 | 0 | 0 (0%) |
| Summary By Area/Nationality/Destination: September 1778 | ||||||
| Area | ||||||
| Status | North America | Newfoundland | Lesser Antilles | Greater Antilles | Europe | Total |
| Captured | 0 (0%) | 0 (0%) | 0 (0%) | 0 (0%) | 0 (0%) | 0 |
| Nationality | ||||||
| Status | British | French | Spanish | Dutch | Other | Total |
| Captured | 0 (0%) | 0 (0%) | 0 (0%) | 0 (0%) | 0 (0%) | 0 |
| Destination | ||||||
| Status | Outbound | Inbound | Coastal | In Port | No Info | Total |
| Captured | 0 (0%) | 0 (50%) | 0 (0%) | 0 (50%) | 0 (0%) | 0 |