An updated Airbus A320 NEO promise the fuel efficiency per seat increasing by 6%, in total exceeding 20% together with the new engines CFM LEAP-X/ PW 1100G and the sharklets. The S7 became first to operate the A-320NEO in CIS. Thus, it was essential to integrate the new type to the flight safety system of the airliner. And the FDA designed by the FSIT became one of the bricks of the system. The S7 and S7 Technics built up a contemporary system of the flight safety assurance while operations, service and overhaul. The FSIT technologies are helping to track the highly estimated safety targets of the company, which is the second largest airliner in Russia and CIS.