| Name | Ajax (launched as Vanguard, 1835) | Explanation | |
| Type | Third rate | ||
| Launched | 25 August 1835 | ||
| Hull | Wooden | ||
| Propulsion | Sail | ||
| Builders measure | 2609 tons | ||
| Displacement | |||
| Guns | 78 | ||
| Fate | 1875 | ||
| Class | |||
| Ships book | |||
| Note | 1867 = Ajax | ||
| Snippets concerning this vessels career | |||
| Date | Event | ||
| 18 March 1836 - 25 January 1837 | Commanded by Captain Duncombe Pleydell Boverie, Mediterranean | ||
| 25 January 1837 - 2 April 1840 | Commanded by Captain Thomas Fellowes, Mediterranean | ||
| 2 April 1840 - August 1843 | Commanded by Captain David Dunn, Mediterranean (including operations on the coast of Syria in 1840), and off Lisbon | ||
| 4 February 1845 - 26 October 1847 | Commanded by Captain George Wickens Willes, Channel squadron (and 1845 experimental squadron) and Mediterranean (until his death) | ||
| 6 November 1847 - 28 March 1849 | Commanded (until paying off at Plymouth) by Captain George Frederick Rich, Mediterranean | ||
| 18 February 1861 - March 1862 | Commanded by Captain Edmund Heathcote, Coast Guard, Kingstown | ||
| 1867 | Renamed Ajax | ||
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