Air & Space Manufacturing Inc., Muncie, Indiana, produced 68 Umbaugh 18A 2-seat autogyros 1964-5, but bankrupt 1966. See also Air & Space America Inc.
Air & Space Manufacturing Inc., Muncie, Indiana, produced 68 Umbaugh 18A 2-seat autogyros 1964-5, but bankrupt 1966. See also Air & Space America Inc.