%0 Journal Article %T Impact of Certification of the MC-21-310 Aircraft with the PD-14 Engine on the Project and Its Economic Significance %A Rodionova, Y.I. %A Krasnikova, K.D. %A Anvarova, D.R. %K MC-21, PD-14, import substitution, certification, civil aircraft industry, cost, serial production, economic efficiency %J Journal of Applied Research %D 2026 %N %P 0 %I ITBO University