| Name | No | Yard No | Builder | Laid down | Launched | Comp | Fate | 
| Éclaireur | Indret, Nantes | 11.1.1847 | 24.9.1847 | 11/1847 | stricken 2.1868 | ||
| Prométhée | Indret, Nantes | 12/1846 | 11.10.1848 | 1/1849 | stricken 2.1868 | 
| Displacement normal, t | 541 | 
| Displacement full, t | |
| Length, m | 51.8 pp | 
| Breadth, m | 8.32 | 
| Draught, m | 3.32 | 
| No of shafts | side wheels | 
| Machinery | sails + 1 SE oscillating, 4 tubular boilers | 
| Power, h. p. | Éclaireur: 646 | 
| Max speed, kts | Éclaureur: 11.7 Prométhée: 11.1 | 
| Fuel, t | coal 160 | 
| Endurance, nm(kts) | 
 | 
| Armament | Éclaureur: 2 x 1 - 163/13 shell SBML Prométhée: 4 x 1 - 121/13 bronze shell SBML | 
| Complement | Éclaureur: 93 Prométhée: 105 | 
Project history: 200nhp paddle 1st class avisos, iron hulls.
Modernizations: 1850s, Prométhée: was armed with 2 x 1 - 163/13 shell SBML
Naval service: No significant events.
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