| Name | Alarm (1845) | Explanation | |
| Type | Sixth rate | ||
| Launched | 22 April 1845 | ||
| Hull | Wooden | ||
| Propulsion | Sail | ||
| Builders measure | 910 tons | ||
| Displacement | |||
| Guns | 26 | ||
| Fate | 1904 | ||
| Class | Spartan | ||
| Ships book | |||
| Note | 1860 c.h. 1900 landing stage | ||
| Snippets concerning this vessels career | |||
| Date | Event | ||
| 9 October 1845 | Commanded by Captain Charles Colville Frankland, North America and West Indies | ||
| 14 October 1846 - 17 May 1849 | Commanded by Captain Granville Gower Loch, North America and West Indies | ||
| 21 August 1849 - 1852 | Commanded by Captain George Ramsay, North America and West Indies | ||
| 13 June 1855 - 9 September 1859 | Commanded (until paying off at Plymouth) by Captain Douglas Curry, Pacific | ||
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