The firm's final product was another Frati design, the F.250, rights to which were sold to SIAI-Marchetti in 1964. The firm closed in 1968 after the death of its Managing Director and the rights to the few sailplanes then in production were bought by Caproni Vizzola.
The company's final product was another Frati design, the F.250, which SIAI-Marchetti acquired the rights to in 1964. The firm closed down in 1968 following the death of its top manager and the sale of production sailplanes' rights to Caproni Vizzola.