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| 1943-nov-27 | Laid down | | originally as Colossus class hull | |
| 1945-feb-27 | Launched | | as HMS Powerful | |
| 1946 | | | construction suspended until 1952 | |
| 1952-apr | Fate: transfered | | sold to Royal Canadian Navy | |
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| 1957-jan-17 | Commissioned | | into RCN as HMCS Bonaventure | |
| 1961 | Aircraft | | Air group included up to 13 Sikorsky HO4S-3 in anti submarine role | |
| 1963 | Refit | | 4 month refit in early 1963, enabling the CHSS-2 to replace the HO4S-3 in the anti-submarine role from 1964. | |
| 1966-apr | Refit |  |  Davie Shipbuilding Half-Life refit Fitted Fresnel Landing Aid and Dutch radar systems, improved sea keeping and aircraft handling arrangements. | |
| 1967-nov-30 | Aircraft | | Bermuda area Accident CH-124 Sea King 4002 accident off Bermuda | |
| 1970-jul-3 | Decommissioned | | | |
| 1971 | Fate: scrapped | | components removed, then hull scrapped in Taiwan. Her anchor is feature of a memorial in Halifax. | |
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Harland and Wolff, Belfast 
