The Future Air Navigation System (FANS) is a flight framework which gives immediate information join correspondence between the pilot and the air activity controller. The interchanges incorporate aviation authority clearances, pilot demands and position reporting.[1] In the FANS-B outfitted Airbus A320 family flying machine shows, an Air Traffic Services Unit (ATSU) and a VHF information radio (Vdr3) in the flight rack and two information connection control and showcase units (Dcdus) in the cockpit empower the flight group to peruse and response the controller-pilot information join correspondences (CPDLC) messages gained starting from the ...