This book investigates the main elements of aviation devices, their functional characteristics and areas of application. It analyzes advanced materials used in the aviation industry, including composites, high-temperature alloys and nanomaterials. It is noted that these materials have high performance in terms of mechanical strength, thermal stability and corrosion resistance, and other issues. In addition, the main components of avionics are covered. In particular, flight control systems, sensor technologies, data transmission networks and artificial intelligence-based diagnostic systems are discussed. Nanoelectronics and advanced semiconductor technologies have shown the capabilities of intelligent control and autonomous operation of aviation devices. This book shows the integration between materials and electronic systems used in aviation devices, and this integration is one of the main development directions of the modern aviation industry.