| Seward, Edwin C. J. | | | CANADIAN MARINER | Third Mate |
| Seward, Edwin C. J. | | | CANADIAN NAVIGATOR | Captain |
| Seward, Edwin C. J.; 1998 Lakeboats; 1998 | 1998 Lakeboats | 1998-00-00 | CANADIAN TRANSFER | Captain |
| Seward, Edwin C. J.; 1999 Lake Boats; 1999 | 1999 Lake Boats | 1999-00-00 | JAMES NORRIS | Captain |
| Seward, Edwin C. J.; 2001 Lake Boats; 2001 | 2001 Lake Boats | 2001-00-00 | JAMES NORRIS | Captain |
| Seward, Edwin C. J.; 2002 Lake Boats; 2002 | 2002 Lake Boats | 2002-00-00 | JAMES NORRIS | Captain |
| Seward, Edwin C. J.; Lake Boats 1997 | Lake Boats 1997 | 1997-00-00 | CANADIAN VOYAGER | Captain |
| Seward, Edwin C. J.; ULS News 41(1) | ULS News 41(1) | | CANADIAN MARINER | Captain |
| Seward, Edwin C. J.; ULS News 42(4) | ULS News 42(4) | | CANADIAN PROVIDER | Captain |
| Seward, Edwin C. J.; ULS News 43(1) | ULS News 43(1) | | CANADIAN PROVIDER | Captain |
| Seward, Edwin C. J.; ULS News 5/00; 2000 | ULS News 5/00 | 2000-00-00 | JAMES NORRIS | Captain |
| Seward, Edwin C. J.; ULS News 9/04; 2004 | ULS News 9/04 | 2004-00-00 | CANADIAN LEADER | Captain |
| Seward, Edwin C. J.; ULS News May 2006 | ULS News May 2006 | 2006-00-00 | | Relief Captain |