The National 空域 System (NAS) is continuously being updated and changed in order to improve system efficiency. NBAA supports the continued transition to a future aviation system that is satellite-based rather than today’s ground-based navigation system, and will continue to play an active role representing the needs of general aviation in the technical and regulatory evolution of a Next Generation (NextGen) aviation system.

除了这些变化, there are certain areas of the NAS where special attention is warranted and where special procedures are required due to persistent traffic volume issues, 季节性产量增加, 或其他因素.