The plane began to be designed by Willibald Weber in 1951, an Austrian pilot and aeronautical engineer born in Wiener Neustadt in 1925, and where work for Messerschmitt until 1944.
He was based on the Aero 45, which he had already maintained and designed a five-seat twin-engined cabin monoplane which was first flown in April 1952.
[1] A low-wing cantilever monoplane with a 185 hp (138 kW) Continental E185 flat six engines mounted on the leading edge of wing.
It was registered with the prefix “PP-ZPD” and taken for airworthiness tests at Campo de Marte, which lasted from the late-1953 to the beginning of 1954.
After accumulating 200 flight hours, the aircraft was sent to the Department of Aerospace Science and Technology, where it received its certification in 1955.