ICAO Air Navigation Commission President Padhraic Kelleher said mandates would only come after "a significant process of consultation ... with states."
As of January 1, 2017, more than 100 airlines were operating at Changi Airport, connecting Singapore to some 380 cities in around 90 countries and territories worldwide. With more than 7,000 weekly scheduled flights, an aircraft takes off or lands at Changi roughly once every 90 seconds; last year these handled a record 58.7 million passengers ranking Changi as the world's sixth busiest airport for international traffic.