Aerospace Instrument-Making Annotation << Back Analysis of helicopter"s air data system construction В.К. Козицын, Н.Н. Макаров, А.А. Порунов, В.М. Солдаткин In this paper we consider some construction principles, schemes, and algorithms for data processing in the now existing and newly developed designs of helicopter"s air data systems. Also the analysis of their metrological characteristics and their features of realization is conducted.