Bonetta-class sloop
The Bonetta class was a class of three sloops of wooden construction built for the Royal Navy between 1755 and 1756. All three were built by contract with commercial builders to a common design prepared by Thomas Slade, the Surveyor of the Navy.
All three were ordered on 9 July 1755, assigned names on 29 July 1755, and were built as two-masted snow-rigged vessels.
Vessels
| Name | Ordered | Builder | Launched | Notes |
| Bonetta | 9 July 1755 | Henry Bird, Globe Stairs, Rotherhithe | 4 February 1756 | Sold 1 November 1776 at Woolwich. |
| Merlin | 9 July 1755 | John Quallett, Rotherhithe | 20 March 1756 | Captured 23 August 1778 by the French in the Mediterranean. . |
| Spy | 9 July 1755 | Robert Inwood, Rotherhithe | 3 February 1756 | Sold 3 September 1773 at Sheerness. |