During 1941, 30 GB gliders were built by Laminação Nacional de Metais, later Companhia Aeronáutica Paulista in Brazil, under the name "Alcatraz".
W 1941 roku 30 szybowców zbudowała Laminação Nacional de Metais, a później Companhia Aeronáutica Paulista w Brazylii pod nazwą „Alcatraz”.