From the Tirreno Dockyard in Genoa, twelve original plates dated 1941.04.05 with:  general power plant layout (scale 1:50), boiler, fore and after funnel (1:25), propeller shafts and brackets (1:50), 4,80 m  three blades propeller (1:5), hull planking, sternpost and rudder (1:20), main cross section.