| Name | No | Yard No | Builder | Laid down | Launched | Comp | Fate | 
| Dauphin | Auguste Guibert, Nantes | 7.5.1845 | 23.6.1846 | 6/1847 | stricken 3.1868 | ||
| Épervier | Auguste Guibert, Nantes | 13.5.1846 | 19.6.1847 | 5/1848 | wrecked 15.4.1857 | 
| Displacement normal, t | 502 | 
| Displacement full, t | |
| Length, m | 49.2 pp | 
| Breadth, m | 7.61 | 
| Draught, m | 2.95 mean | 
| No of shafts | side wheels | 
| Machinery | Dauphin: sails + 1 SE direct-acting, 2 tubular boilers Épervier: sails + 1 SE oscillating, 2 tubular boilers | 
| Power, h. p. | 180nhp | 
| Max speed, kts | Dauphin: 9 Épervier: 9.5 | 
| Fuel, t | coal 100 | 
| Endurance, nm(kts) | 
 | 
| Armament | Dauphin: 2 x 1 - 138/8 18pdr SBML carronades Épervier: 2 x 1 - 121/13 bronze shell SBML | 
| Complement | 93 | 
Project history: 180nhp paddle 1st class avisos, iron hulls.
Modernizations: None.
Naval service: Épervier wrecked 15.4.1857 at Capbreton near Bayonne because of a leak.
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