SatCom 101 “Operational and Safety Services” - NBAA

FANS 1/A Purpose• FANS was developed out of the need for a more efficient and safer means to placemore aircraft in a given airspace and for a more reliable means of long haulcommunications for pilot to controller communications via a defined data linkmessaging system (ground to aircraft)• FANS defines a data link system that:• Ensures interoperability between all required cockpit avionics involved in theFANS data link messaging• Increases the safety level of Required Navigation Performance (RNP) of theavionics• Increases the safety level of the Required Communications Performance (RCP)of the avionics• Being that this is a data link centric network, voice is not a requirement other thanas a back-up if there is an outage• Two primary functions of data link are, CPDLC and ADS-CSlide 12