| Name | No | Yard No | Builder | Laid down | Launched | Comp | Fate | 
| Serpent | François Cavé, Saint-Ouen | 3/1843 | 3.11.1843 | 5/1844 | stricken 1.1853 | ||
| Basilic | François Cavé, Saint-Ouen | 3/1843 | 3.11.1843 | 5/1844 | stricken 12.1854 | 
| Displacement normal, t | 100 | 
| Displacement full, t | |
| Length, m | 42.0 pp | 
| Breadth, m | 5.00 | 
| Draught, m | 2.50 hull depth | 
| No of shafts | side wheels | 
| Machinery | sails + 1 SE oscillating, flue boilers | 
| Power, h. p. | 30nhp | 
| Max speed, kts | |
| Fuel, t | coal | 
| Endurance, nm(kts) | 
 | 
| Armament | Serpent: 4 x 1 - 163/13 shell SBML | 
| Complement | 32 | 
Project history: 30nhp steam vessels, iron hull, later paddle 2nd class avisos.
Modernizations: None.
Naval service: No significant events.
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