Present-Day Airport                                    Future NGATS Airport 

Air Traffic Control Tower    (replaced by--->)   Automatic Approach Sequencing ** & ADS-B Separation
Instrument Landing System (ILS)                       Wide Area Augmentation System & WAAS Integrity Monitoring Distance Measuring Equipment                          Obtained from onboard GPS Unit
Terminal Radar                                                 Automatic Dependent Surveillance Broadcast (ADS-B)Ground Controller                                                         Graphic Taxi maps with surface alerts   
Runway Incursion Radar                                   ADS-B & Runway Occupied Monitoring
Standard Runway Lighting                                 Low Cost LED Lighting
Tower Wind Advisories (on request)                 Broadband Data Link
Limited Information                                           Broadband Internet – Publish – Subscribe – Alert
ATIS on Radio                                                 Broadband Data Link & Radio Link
Passenger Services                                           Air Taxi Portal
Small Package Delivery                                    Air Taxi Portal    

Cost = >$15 Million + Staffing                         Cost <  $.5 Million with no Staffing

                ** The only future capability requiring FAA approval

Data from CASA