Kuznetsov A . A. , Gold A. A. , Komyagin B. A. , Titov M. and . Monograph . - M. : Mechanical Engineering, 1979. - 144 s. The book discusses the features of the operation of detachable and rotary parts of the design of aircraft and determines the conditions for their operability. Methods for calculating the reliability of separation of stages, separation of hulls, tail compartments and discharge of head fairings. Described methods for calculating the reliability of single-link and multi-link hinge systems with spring drive. Method of calculation of reliability on strength of mechanical parts of construction. Reliability of functioning of detachable parts of construction. Reliability of the functioning of the rotating parts of the structure . Reliability of operation of pyrode.