Models of early stages of design of trunk-route passenger airplanes with taking families into account

There is a tight connection between the Pre-Design (development of requirements for designed airplane) and Conceptual Design stages while creating new aircraft. Taking this into account would result in design more optimal aircraft that have appropriate advantage during operation. Previously when ability to take such interconnections was lacking designers were forced allocate certain reserves project based on previous experience. The advancement design, modeling manufacturing methods allowed transitioning from allocating these as means possible error compensation their planning or management. In particular, planned should be allocated wing landing gear at stage creation passenger airplane families. values substantiated evaluation future functioning whole created family within airline fleet. This requires solving problem creation. Thus, become variables. variables optimized together with existing “traditional” design. A model, which takes management aforementioned constructed. presented model intended usage framework models, solve fleet taking presence an well optimization family. calculation results verified trunk-route airplanes all main types existence families account. During verification each considered sized version maximum take-off weight. After “fixed” processed initial data version, statistics used checking results. demonstrated good correlation available statistics. It also showed can individual (short-, medium- long-range).