A.V. Komyakov - Ph.D. (Eng.), General Director, JSC «POLYOT Research and Production Company» V.G. Baranov Dr.Sc. (Eng.), Professor, Director, Institute of Radio Electronics and Information Technology, Nizhny Novgorod State Technical University n.a. R.E. Alekseev L.M. Vdovin - Ph.D. (Eng.), Division head, JSC «POLYOT Research and Production Company» V.R. Milov - Dr.Sc. (Eng.), Professor, Head of Department Nizhny Novgorod State Technical University n.a. R.E. Alek-seev T.I. Goriacheva - Ph.D. (Eng.), Associate Professor, Nizhny Novgorod State Technical University n.a. R.E. Alekseev

Air Traffic Density growth call forth to feel a need for improve of CNS/ATM system, which introduce new network protocols, data link «Air-Ground» modes, and continued usage traditional well enhanced ACARS modes. This makes communication complex to be multimode [1]. Integrated Module Avionics (IMA) concept allows to decrease costs of new modes implemen-tation and existing modes modernization, providing continuous updates of onboard communication complex functions, by update of software. In the latter years aviation community was focused upon aviation incident cause research. Most of standard instruments for information system and software testing not provides in full measure with requirements for certi-fication process, provided by DO-178B (КТ-178В) и DO-178С standards. Furthermore, requirements, which presented for great systems testing process, are dependent on developed application type. Therefore, allows needs in testing tools adap-tation to concrete system specific. In this connection development of special mathematic, information and software support for complex testing of critical safety software modules, and also simulation modeling for the purpose of tested module environment action simulation, are important today tasks. For testing of aviation critical safety software (levels A, B, C) high requirements are presented. During testing solves task of finding conformation estimation to software requirements. Therefore, important stage of testing is preparation of test-plan, which guarantees all requirements testing covering taking into account of testing modules various configurations and statuses. This stage is complex task. At that test-plan shall include input data action sequence, estimated (reference) tested module work results, comparison method of reference behavior with real behavior, and decision making method, that test «go» or «not go». Solving this tasks manually is real impossible for present-day complex aviation systems. To decrease costs and increase testing process reliability are possible thanks to automation of solving testing tasks, which are listed about and also thanks to implementation of controlled environment simulator for tested software modules. Most effect may be receipted for complex automation of solving testing tasks of application software «protocol object» modules, as indicated tasks are interconnecting. Another important requirement to «protocol object» modules tester are its universality, i.e. tester shall provide testing environment management, in that may be testing various programs, including programs without any standard interface. This paper considers «Network Tester» and aviation communication system simulator, developed by R.E. Alekseev NGTY, also aviation communication system test bench, developed by JSC «POLYOT research and production company». With the purpose of onboard communication complex competitive ability and fail-safety increase, this avionic verification complexes orientation and perspectives of evolution are discussed.

 

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