Brasil
Developed AC-4 Andorinha single-seat autogyro (first flown 1972) and M-1 Montalva two-seat autogyro (first flown 1985).
Brasil
Developed AC-4 Andorinha single-seat autogyro (first flown 1972) and M-1 Montalva two-seat autogyro (first flown 1985).