| Displacement: | 2966 |
| Dimensions: | 180ft 7in wl, 183ft 4in deck x 47ft 5in mld, 48ft 9in ext x 22ft 1in mean, 23ft 3in max. Depth 20ft 11in |
| Same, meters: | 55.05, 55.87 x 14.45, 14.87 x 6.73, 7.08m. 6.38m |
| Masts: | Main 60ft 4in x 3ft 1in; Fore 55ft 3in x 2ft 11in; Mizzen 53ft 9in x 1ft 11in. Sail area 2893 sq.yd. |
| Armament: | (1817) GD 28-36p; UD 30-18p; SD 14-8p, 10-36p carr. (1828) Same but SD 20-36p carr., 4-18p. (Scipion 1844 and Trident 1854) GD 24-36p, 4-22cm shell; UD 30-18p; SD 22-36p carr., 2-16cm shell (4 in Trident). (Marengo 1856) GD 24-30p No.1, 4-22cm No.1; UD 24-30p No.2, 4-22cm shell No.2; SD 14-30p carr., 4-16cm shell |
| Complement: | 678 |
| Name | Builder | Laid down | Launched | Commiss. | Fate |
| DUC DE BERRY | Rochefort | 12.07 | 18.6.18 | -- | Frigate 1831 |
| JEAN BART | Lorient | 6.11 | 24.8.20 | 1.10.20 | Stk. 26.10.33 |
| TRITON | Rochefort | 12.07 | 22.9.23 | 5.4.34 | Stk 5.11.49 |
| COURONNE | Brest | 10.13 | 26.8.24 | 23.2.30 | Stk. 17.8.69 |
| GENEREUX | Cherbourg | 1.13 | 23.9.31 | 11.2.39 | Stk. 21.11.55 |
| Displacement: | 3200t |
| Dimensions: | 182ft 9in wl, 184ft 5in deck x 48ft 7in mld, 50ft 0in ext x 22ft 5in mean |
| Same, meters: | 55.70, 56.20 x 14.80, 15.24 x 6.84m |
| Masts: | Probably as old 74s |
| Armament: | (2.1850) GD 24-30p No.1, 4-50p or 4-22cm No.1 shell; UD 28-30p No.3, 2-50p; SD 2-30p No.1, 6-30p No.4. (6.1850) GD 24-30p No.1, 4-50p; UD 26-30p No.3, 4-22cm No.2 shell; SD 12-30p carr., 4-30p No.4. |
| Complement: | 650-660 |
| Name | Builder | Laid down | Launched | Commiss. | Fate |
| LA TOUR D'AUVERGNE | Brest | -- | -- | -- | Canc. 1852 |