The main propose in this paper is a conceptual design of a turbo-prop aircraft, with capable of carrying ninety passengers on regional flights, following the methodological procedures proposed by Jan Roskam, in response to the lack an aircraft to bring together those characteristics for the civilian market, trade, acquiring support argumentative statement on research developed from the acquisition of information available, and assessment of current conditions of technical operation of aircraft in force in the international market , to regional transportation services. Therefore it came to a proposed aircraft called stylized in conventional design parameters and make questions about the efficiency and optimization of the same.