| Name | No | Yard No | Builder | Laid down | Launched | Comp | Fate |
| Diligente | Arsenal de Brest | 20.6.1800 | 7.11.1801 | 12/1801 | condemned 10.1854 | ||
| Coquette | Bayonne | 22.3.1809 | 21.11.1809 | 4/1810 | condemned 2.1822 | ||
| Friponne | Bayonne | 22.3.1809 | 4.5.1810 | 1811 | condemned 6.1820 | ||
| Écho (ex-Favorite) | Arsenal de Lorient | 12/1809 | 3.7.1810 | 12/1810 | stricken 7.1844 | ||
| Badine | Lübeck | 12/1811 | --- | --- | abandoned incomplete 12.1813 | ||
| Coquille | Lübeck | 12/1811 | --- | --- | abandoned incomplete 12.1813 | ||
| Isis | Arsenal de Cherbourg | 8.7.1822 | 14.4.1823 | 6/1826 | stricken 1.1833 | ||
| Sylphide | Arsenal de Lorient | 21.3.1822 | 12.5.1823 | 6/1823 | wrecked 23.2.1829 | ||
| Bayonnaise | Arsenal de Cherbourg | 12.3.1824 | 2.6.1825 | 11/1825 | stricken 6.1835 | ||
| Cornélie | Arsenal de Cherbourg | 12.3.1824 | 2.6.1825 | 1/1826 | stricken 11.1846 | ||
| Cérès | Arsenal de Cherbourg | 15.6.1825 | 7.6.1826 | 12/1827 | stricken 10.1840 | ||
| Églé | Arsenal de Cherbourg | 15.6.1825 | 7.6.1826 | 2/1828 | stricken 11.1843 | ||
| Orythie | Arsenal de Lorient | 29.9.1825 | 14.3.1827 | 12/1827 | stricken 11.1843 | ||
| Perle | Bayonne | 11/1826 | 1.7.1829 | 3/1830 | stricken 3.1856 |
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Displacement normal, t |
completed 1801-1811: 476 completed later: 422 |
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Displacement full, t |
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Length, m |
33.8 pp |
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Breadth, m |
8.45 |
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Draught, m |
completed 1801-1811: 4.66 completed later: 4.55 |
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No of shafts |
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Machinery |
sails |
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Power, h. p. |
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Max speed, kts |
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Fuel, t |
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Endurance, nm(kts) |
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Armament |
Diligente: 6 x 1 - 118/8 12pdr SBML carronades (British), 14 x 1 - 93/24 6pdr SBML Coquette, Friponne, Écho: 20 x 1 - 93/24 6pdr SBML others: 16 x 1 - 138/8 18pdr SBML carronades, 2 x 1 - 107/24 8pdr SBML |
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Complement |
completed 1801-1811: 141 wartime completed later: 110 |
Project history: 20-gun corvettes, prototype became a very fast ship, making 12-13kts. In 1821 Diligente was reclassified as corvette-aviso, Écho in 1826. Niobé was cancelled in 1825.
Modernizations: 1818, Écho: was armed with 18 x 1 - 151/8 24pdr SBML carronades, 2 x 1 -93/24 6pdr SBML.
1821, Diligente: was armed with 18 x 1 - 138/8 18pdr SBML carronades or (16 x 1 - 138/8 18pdr SBML carronades, 2 x 1 - 121/20 12pdr SBML).
1822, Écho: - 18 x 1 - 151/8; + 18 x 1 - 138/8 18pdr SBML carronades.
Naval service: Sylphide wrecked 23.2.1829 at Haiti.
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