Subject. The article addresses factors of the growing cost of flying hour, which is an integral indicator of helicopter efficiency at the stage of its operation. Objectives. The purpose is to develop an econometric model of dependence of cost per flying hour on the main relative aircraft performance characteristics that determine the effectiveness of design and technological solutions for civil and multi-purpose helicopters, to make a decision at the preliminary design stage regarding the efficiency of designed product during the operational phase and the feasibility of R&D. Methods. The study rests on basic provisions of the theory of the firm, the theory of fundamental value of assets, international standards of the aviation equipment operation manual. Results. Based on econometric analysis, the main determinants of cost per flight hour are identified from the set of relative flight characteristics of the helicopter. The paper demonstrates that the number of products in operation, the cost of flight hour, the efficiency and transparency of logistics infrastructure in the provision of maintenance services represent a tool for managing the cost of product life cycle during its operation. Conclusions. The main factors having the greatest impact on the efficiency of after-sales service of products in the aviation industry are fuel efficiency, specific fuel consumption (fuel consumption per unit of power). The cost per flight hour is an integral indicator of the effectiveness of after-sales service and depends on relative flight characteristics of aircraft in operation.
Keywords: cost per flight hour, after-sales service, project life cycle, knowledge-intensive project, yield to maturity
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