Produced 68 examples of the Model 18-A autogyro at Muncie, Indiana during 1960s, as slightly modified version of Umbaugh light two-seat autogyro (developed 1957-1962). |
Produced 68 examples of the Model 18-A autogyro at Muncie, Indiana during 1960s, as slightly modified version of Umbaugh light two-seat autogyro (developed 1957-1962). |