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| Name | No | Yard No | Builder | Laid down | Launched | Comp | Fate |
|---|---|---|---|---|---|---|---|
| Granit | A C de la Loire, Nantes | 1918 | 1918 | scuttled 27.11.1942 | |||
| Gres | A C de la Loire, St-Nazaire | 1918 | 1918 | condemned 1920 | |||
| Marbre | A C de la Loire, Nantes | 1918 | 1918 | condemned 1920 | |||
| Mica | A C de la Loire, St-Nazaire | 1918 | 1918 | condemned 1938 | |||
| Porphyre | A C de la Loire, Nantes | 1918 | 1918 | condemned 1932 |
| Displacement normal, t | 360 |
|---|---|
| Displacement full, t | |
| Length, m | 57.6 |
| Breadth, m | 7.90 |
| Draught, m | 2.30 |
| No of shafts | 1 |
| Machinery | 1 VTE, 1 Belleville boiler |
| Power, h. p. | 600 |
| Max speed, kts | 12.5 |
| Fuel, t | coal |
| Endurance, nm(kts) | |
| Armament | (1 - 2) x 1 - 65/50 M1902, mechanical minesweeping gear |
| Complement | 63 |
Purpose-built minesweepers, laid down under 1917 program, officially rated as 2nd class avisos.
None.
Granit was scuttled 27.11.1942 at Toulon, later salvaged and commissioned by Germans as SG26.

