Initially, the introduction of data communications will provide an additional means of two-way communication for delivery of air traffic control clearances, instructions, advisories, flight crew requests and reports. Next Generation Data Communications - Current communications between aircrew and air traffic control, and between air traffic controllers, are largely realised through voice communications. The Federal Aviation Administration (FAA) will mandate the avionics necessary for implementing ADS-B. Once fully established, both pilots and air traffic controllers will see the same real-time display of air traffic, which will contribute to improving safety. These and other data are then broadcast to other aircraft and air traffic control. Aircraft transponders receive GPS signals and use them to determine the aircraft's precise position in the sky. NextGen ElementsĪutomatic dependent surveillance-broadcast (ADS-B) - ADS-B will use GPS satellite signals to provide air traffic controllers and pilots with much more accurate information that will help keeping aircraft safely separated in the sky and on runways. Implementing NextGen involves complex activities ranging from concept development to deployments of capabilities in the NAS. NextGen is expected to improve safety, reduce delays, save fuel and reduce aircraft exhaust emissions. The movement to the next generation of aviation (NextGen) is being facilitated by a change to smarter, satellite-based and digital technologies and new procedures that combine to make air travel more convenient, predictable and environmentally friendly in the US’s increasingly congested airspace. NextGen will allow more aircraft to safely fly closer together on more direct routes, reducing delays and providing benefits for the environment and the economy through reductions in carbon emissions, fuel consumption and noise. At its most fundamental level, NextGen represents an evolution from a ground-based system of air traffic control to a satellite-based system of air traffic management, through the development of aviation-specific applications for existing, widely-used technologies, such as the Global Positioning System ( Global Positioning System (GPS)) and technological innovation in areas such as weather forecasting, data networking and digital communications. Next Generation Air Transportation System (NextGen) is a term for the continuing transformation of the National Airspace System (NAS) of the United States, planned in stages between 20.
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