| Name | Sylph (1821) | Explanation | |
| Type | Tender | ||
| Launched | 15 June 1821 | ||
| Hull | Wooden | ||
| Propulsion | Sail | ||
| Builders measure | 114 tons | ||
| Displacement | |||
| Guns | |||
| Fate | 1888 | ||
| Class | |||
| Ships book | |||
| Note | 1862 lent Customs as watch vessel | ||
| Snippets concerning this vessels career | |||
| Date | Event | ||
| (January 1840) | Tender, Plymouth | ||
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