ANWS implements the Runway Condition Report (RCR) operation in coordination with ICAO’s policy simultaneously. By taking into account of the results of airport runway condition, the operation of pilot, the performance of the aircraft and the flight service, ANWS brings out a globally consistent common format, enabling relevant personnel to have a common understanding of the runway condition code, so that the pilot can quickly grasp the condition of each section of the runway and focus on operations to improve flight safety.

ICAO new SNOWTAM format is implemented. New SNOWTAM format contains aeroplane performance calculation and situational awareness section. AES users can check valid SNOWTAM for flight reference on AES web site.