The expansion of the use of unmanned aircraft is expected to lead to an increase in the number of various new entrants, including those from outside the aviation industry. However, the technical barriers to performance estimation for unmanned aircraft are high due to the high degree of freedom in unmanned aircraft design. Since accelerating easy estimation of aircraft performance is important to encourage new entrants, the authors envision the construction of a framework that combines standard processes and tools to mitigate technical barriers. However, because this is a new market that differs from the traditional aviation industry, it is necessary to clarify the new user image prior to the construction and implementation of the framework. In this study, the authors used the design thinking approach to clarify the users and requirements of the framework for the conceptualization of the airframe. We were able to extract an overview of the systems that comprise the unmanned aircraft business in relation to the airframe design, and the two tasks required on the premise of these systems, airframe performance evaluation (Task A) and operation probability evaluation (Task B), as well as the interface with the assumed stakeholders.

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