The class was powered by two Sulzer diesel engines rated at 4,600 brake horsepower (3,430 kW) driving two shafts.

After the German occupation of southern France in November 1942, one ship — Commandant Bory — joined the FNFL.

Built at the Arsenal de Lorient, the ship was laid down in August 1936, launched on 27 July 1938[6] and commissioned in 1939.

[6] Built at the Ateliers et Chantiers de Provence, Port-de-Bouc, the ship was laid down in December 1937, launched on 22 August 1939[4] and commissioned in March 1940.

[4] Built at the Ateliers et Chantiers de France, Dunkirk, the ship was laid down in March 1938, launched on 10 February 1940[4] and commissioned in May 1940.

[4] Built at the Ateliers et Chantiers Dubigeon, Nantes, the ship was laid down in January 1938, launched on 19 April 1939[4] and commissioned in February 1940.

[4][7] Built at the Ateliers et Chantiers de France, Dunkirk, the ship was laid down in November 1936, launched on 26 January 1939[4] and commissioned in September 1939.

[4] Built at the Ateliers et Chantiers de France, Dunkirk, the ship was laid down in November 1936, launched on 25 February 1939[6] and commissioned in December 1939.

[6] Built at the Ateliers et Chantiers Dubigeon, Nantes, the ship was laid down in February 1938, launched on 2 May 1939[6] and commissioned in April 1940.

[6] Built at the Ateliers et Chantiers Dubigeon, Nantes, the ship was laid down in December 1936, launched on 16 January 1939[6] and commissioned in August 1939.

[6] Built at the Ateliers et Chantiers de Provence, Port-de-Bouc, the ship was laid down in November 1936, launched on 16 February 1939[6] and commissioned in September 1939.

[6] Built at the Arsenal de Lorient, the ship was laid down in August 1938, launched on 11 November 1939[6] and commissioned in 1940.

[6] After the Italian armistice she came under German control, was renamed SG25 and returned to Toulon, where she was scuttled again in August 1944[6] during the Allied invasion of southern France.

[7] Built at the Ateliers et Chantiers de Provence, Port-de-Bouc, the ship was laid down in February 1938, launched on 30 November 1939[6] and commissioned in May 1940.

[6] Built at the Ateliers et Chantiers de France, Dunkirk, the ship was laid down in April 1938, launched on 15 January 1940[6] and commissioned in May 1940.

After the Italian armistice was declared on 8 September 1943 she came under German control, returned to Toulon, and was scuttled at Marseilles on 7 August 1944[6] just before the Allied invasion of southern France.

[7] Built at the Arsenal de Lorient, the ship was laid down in September 1938, launched on 25 January 1940[10] and commissioned in April 1940.