AIN: ADS-B Gets Green Light, GPS Backup Less Clear
Following successful ADS-B deployment at key sites in Alaska, the Gulf of Mexico, Louisville and Philadelphia, the FAA recently gave the go ahead for the system’s national rollout, with coast-to-coast U.S. coverage forecast in 2013. The agency’s announcement also stated that wide-area multilateration (Wam) “will serve as a backup to ADS-B in the event of a GPS outage in high-value airspace.” The FAA did not define high-value airspace , but it possibly includes that surrounding the nation’s 35 Operational Evolution Plan airports. …more
Following successful ADS-B deployment at key sites in Alaska, the Gulf of Mexico, Louisville and Philadelphia, the FAA recently gave the go ahead for the system’s national rollout, with coast-to-coast U.S. coverage forecast in 2013. The agency’s announcement also stated that wide-area multilateration (Wam) “will serve as a backup to ADS-B in the event of a GPS outage in high-value airspace.” The FAA did not define high-value airspace , but it possibly includes that surrounding the nation’s 35 Operational Evolution Plan airports. …more
