Within the framework of ICAO-IAC Regional Project (COSCAP-CIS) the regular meeting of CAST-CIS Working Group was held at the IAC headquarters on January, 19, 2017 with the main agenda to discuss methodological recommendations “Aircraft Ground De-/Anti-icing”. Permanent representatives of IAC, UAC, AEROFLOT, RUSSIA, STATE RESEARCH INSTITUTE of CIVIL AVIATION, TSAGI, DOMODEDOVO AIRPORT, as well as manufacturers of anti-icing fluids and AIRBUS Regional Flight Safety Director took part in the meeting.