| Name | Alacrity (1856) | Explanation | |
| Type | Gunvessel | ||
| Launched | 20 March 1856 | ||
| Hull | Wooden | ||
| Propulsion | Screw | ||
| Builders measure | 675 tons | ||
| Displacement | 860 tons | ||
| Guns | 4 | ||
| Fate | 1864 | ||
| Class | Vigilant | ||
| Ships book | ADM 135/10 | ||
| Note | |||
| Snippets concerning this vessels career | |||
| Date | Event | ||
| 18 March 1856 - 3 November 1856 | Commanded by Commander Henry Cholmeley Majendie | ||
| 23 November 1857 - 20 February 1858 | Commanded by Commander Armine Wodehouse | ||
| 23 December 1859 - 3 August 1863 | Commanded by Commander John Kennedy Erskine Baird, Mediterranean | ||
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