French submarine Regnault launched on 27 June according to the Dutch magazine Marineblad dated 1924 no. 6

An item reported the launching of the French submarine Regnault on 27 June 1924 at the shipyard Mourillon at Toulon, France. With a displacement pf 920 (surfaced)-1.317 (submerged) ton was the speed 16 (maximum surfaced)-10 (submerged) miles and with a range of 7.400 nautical miles. The armament consisted of 2-7,5cm guns and 4 torpedo tubes.