| Name | No | Yard No | Builder | Laid down | Launched | Comp | Fate | 
| Mercure | Arsenal de Brest | 26.6.1841 | 25.5.1842 | 2/1843 | stricken 3.1862 | 
| Displacement normal, t | 618 | 
| Displacement full, t | |
| Length, m | 34.0 pp | 
| Breadth, m | 9.40 | 
| Draught, m | 4.62 | 
| No of shafts | |
| Machinery | sails | 
| Power, h. p. | |
| Max speed, kts | |
| Fuel, t | |
| Endurance, nm(kts) | 
 | 
| Armament | 16 x 1 - 163/8 30pdr SBML carronades, 2 x 1 - 163/13 shell SBML | 
| Complement | 101 | 
Project history: 18-gun brig.
Modernizations: None.
Naval service: No significant events.
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