| Owner | Manager | From | Until | | Royal Canadian Navy - Ottawa, Ontario, Canada | | 1957/06/28 | 1958/01 |
| Canadian Forces - Ottawa, Ontario, Canada | | 1958/01 | 1994/10/05 |
| Artificial Reef Society of Nova Scotia (ARSNS) - Canada | | 1998 | 2009/07/21 |
| CDOD - Canadian Department of National Defense | | 2009/07/21 | 2010/09/01 |
| Marine Recycling Corporation - Port Colborne | | 2010/09/01 | 2011/05 |
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