The paper presents the methodological foundations of the reliability study of functional elements designed and operated on the designated resource complex aircraft systems. Developed a method for assessing the appropriateness of replacing the functional elements. It was grounded, that the accepted method of preventive-maintenance replacements lead through of the systems elements of electric supply and ground their appointed resource not enough effective from considerable economic losses, caused the insufficient use of individual resources of most wares.
power supply system, the aircraft functional element assigned resource
" Metodicheskie osnovy provedeniia issledovanii znachenii naznachennykh resursov funktsionalnykh elementov sistemy elektrosnabzheniia" ,
Science and Technology of the Air Force of Ukraine,