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Southwest's RNP investment: Is $175 million pledge too far ahead of US government, industry?
FAA has talked a great deal about transitioning to a satellite-based NextGen ATC system, which would allow carriers to use RNP procedures supported by ADS-B and other technology to operate more direct flight paths, increasing system efficiency and reducing airline fleets' fuel burn and carbon dioxide emissions. But the US Congress repeatedly has stalled trying to determine how the $45-$75 billion transition to NextGen will be funded.