| Name | Cressy (launched as Unicorn, 1824) | Explanation | |
| Type | Fifth rate | ||
| Launched | 30 March 1824 | ||
| Hull | Wooden | ||
| Propulsion | Sail | ||
| Builders measure | 1084 tons | ||
| Displacement | |||
| Guns | 46 | ||
| Fate | |||
| Class | Modified Leda | ||
| Ships book | |||
| Note | 1860 powder hulk. 1873 RNR drill ship. 1939 = Unicorn II. 1941 = Cressy. 1959 = Unicorn. 1968 preserved. still extant . | ||
| Snippets concerning this vessels career | |||
| Date | Event | ||
| (January 1840) | Out of commission at Chatham | ||
| 1 January 1874 - 13 April 1874 | Commanded by Commander Harry Woodfall Brent, Drill Ship, Royal naval Reserve, Dundee | ||
| 1939 | Renamed Unicorn II | ||
| 1941 | Renamed Cressy | ||
| 1959 | Renamed Unicorn | ||
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