The development of the global civil aviation is provided on the basis of the ICAO Communication and Surveillance/Air Traffic Management Concept. which has determined the basic strategy for further commercial flight management effectiveness improvement. On the basis of this concept a Global Air Navigation Plan has been developed by ICAO recently. The core strategies of CNS/ATM concept ... https://www.nacrack.com/huge-sale-Moondrop-Quarks-quick-choice/