The estimating method of the civil aviation airplanes functional systems reliability with a help of the user’s statistic materials

The determination of reliability of the airplanes functional systems with a help of the user's statistic materials in direct indexes, which are normed by the norms of the flying suitability are considered. The estimation method of reliability of the airplanes functional systems is proposed. It may be used for the whole airplane park and for the concrete user's airplanes.