Operational Comparison

With the introduction of space-based Automatic Dependent Surveillance-Broadcast (ADS-B), Air Traffic Control (ATC) methods will be optimized. In airspace where procedural separation has been applied, space-based ADS-B will enhance operations to accommodate more air traffic through reduced separation and the use of preferred routes and altitudes. The below chart details the four main transition scenarios where Aireon will deliver substantial benefits:

  • Introducing ADS-B where no surveillance currently exists without (Direct Controller-Pilot Communication) DCPC
  • Introducing ADS-B where Automatic Dependent Surveillance-Contract (ADS-C) is used without DCPC
  • Introducing ADS-B where no surveillance currently exists with DCPC
  • Augmenting, avoiding or replacing radar / ground-based ADS-B with Aireon


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